WO2011122980A1 - Générateur disperseur rotatif universel à cavitation - Google Patents

Générateur disperseur rotatif universel à cavitation Download PDF

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Publication number
WO2011122980A1
WO2011122980A1 PCT/RU2010/000781 RU2010000781W WO2011122980A1 WO 2011122980 A1 WO2011122980 A1 WO 2011122980A1 RU 2010000781 W RU2010000781 W RU 2010000781W WO 2011122980 A1 WO2011122980 A1 WO 2011122980A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
cavitation
generator
blades
rotary
Prior art date
Application number
PCT/RU2010/000781
Other languages
English (en)
Russian (ru)
Inventor
Александр Дмитриевич ПЕТРАКОВ
Евгений Александрович ПЕТРАКОВ
Original Assignee
Petrakov Aleksandr Dmitrievich
Petrakov Evgeny Aleksandrovich
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Petrakov Aleksandr Dmitrievich, Petrakov Evgeny Aleksandrovich filed Critical Petrakov Aleksandr Dmitrievich
Publication of WO2011122980A1 publication Critical patent/WO2011122980A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/60—Pump mixers, i.e. mixing within a pump
    • B01F25/64—Pump mixers, i.e. mixing within a pump of the centrifugal-pump type, i.e. turbo-mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/008—Processes for carrying out reactions under cavitation conditions

Definitions

  • the invention relates to a device for generating oscillations in a flowing liquid medium and can be used in the chemical, oil, engineering, food industries, agriculture for the preparation of high quality feed and good digestibility and disinfection of various wastes, for the preparation of food products in extreme conditions.
  • the invention is known (copyright certificate ⁇ "1586 759 dated 08/10/1996)" a rotary apparatus of hydrodynamic action ", comprising a housing inside which a rotor with variable cross-section channels and blades is installed, and a stator with holes in the side walls, and the rotor channels are made smoothly curved and located azimuthally to the axis of the rotor, while the walls of the channels are made in the form of resonators and are placed stepwise between the blades.
  • a prepared homogeneous suspension for example, consisting of slag and water in a ratio of 1: 2, through the inlet pipe enters the free space of the rotor.
  • the suspension accelerates and contributes to a better distribution of the heterogeneous hydrodynamic flow.
  • Channels are tuned to different frequencies.
  • the hydrodynamic flow moves along the channels of the rotor, its speed increases, reaching a maximum at the exit of the rotor.
  • Periodic, repeated overlapping of the rotor channels with stator bridges creates high gradient pressure pulses, the amplitude of which is significantly amplified in the stator channels. The resulting pressure is transferred to the solid particles of the crushed material.
  • the rotor channels are not made in accordance with the laws of hydrodynamic cavitation, the narrowing holes of the rotor are few correspond to the tasks of the occurrence of cavitation bubbles in the rotor;
  • stator holes could be suddenly expanding
  • the concentric arrangement of the rotor and stator does not contribute to the stable operation of the apparatus, as the gap between the rotor and stator increases, from abrasive and cavitation wear, the grinding efficiency drops sharply.
  • the invention is known (patent of Russia ⁇ 2 261 621 of 10.10.2005) "Method for the preparation of feed and installation for its implementation", including a chamber with inlet and outlet nozzles, in which a stator and rotor are connected to the drive, input and output nozzles, and the rotor is equipped with large tangentially evenly distributed blades dividing it into sectors in which small curved radial blades are located on the periphery, and both large and small blades have different heights, increasing from the center of the roto to its periphery and form channels of variable cross section, and the stator is equipped with channels in the form of nozzles, which are located radially and uniformly around its circumference.
  • the shape of the channels could be in the form of Venturi nozzles in order to create a whirlpool zone with reduced pressure in each channel, where cavitation bubbles formed in large numbers would collapse during the blocking of the rotor channel by the stator partition;
  • stator channels from the point of view of hydrodynamic cavitation, could be in the form of nozzles of the Board (Chugaev P.P. Hydraulics, 1971. - S. 135-136, 307-311);
  • the invention is known (Russian patent JN-> 2 185 898 dated 07/27/2002) "device for physico-chemical processing of liquid media", containing an axially located rotor and stator having an opening on the working surfaces.
  • a removable sleeve is installed between the cylindrical part of the rotor and the inner surface of the housing, which forms a sliding bearing, which in contact with the stator is pressed by the cover, while the rotor is endowed with additional holes (Prototype).
  • the device is intended for physico-chemical treatment of only liquid media
  • the gap between the rotor and the stator is regulated by the length of the spacer sleeve, which should decrease as the wear surfaces.
  • a cavitation dispersant comprising a housing, inside of which a rotor and a stator are installed with slots in the side walls and a working chamber, equipped with resonators adjustable in frequency of oscillations, fixed in the working chamber coaxially with the stator slots.
  • the slots in the rotor are made in the form of subsonic nozzles, tapering towards the stator, and the stator slots are made expanding towards the body and have concave surfaces, while the number of slots in the rotor and stator is not the same.
  • the invention is known ( Russian patent jN-> 2096 694 dated 11/20/1997) "Jet heat generator” (prototype), containing an inlet nozzle and an outlet pipe, a heating chamber, a cylindrical mixing chamber. Moreover, the heating chamber is made in the form of a “torus” formed by the inlet and outlet bowls communicated respectively with the inlet nozzle and outlet nozzle. A cone of additional resistance is installed in the output bowl.
  • the disadvantages of the known invention are:
  • the invention is known ( Russian patent N ° 2336 470 of 10.20.2008), "Vortex shock type heat generator” comprising an inlet nozzle, cups with one and a half cavities, a mixing and separation chamber, diffusers.
  • the heat generator is equipped with an additional inlet nozzle located opposite the first and separated from it by a separation and mixing chamber connected with one and a half cavities by rectangular windows.
  • swirlers with the opposite direction of twisting are installed in the input nozzles and one and a half cavities.
  • Two diffusers are placed on a common axis, on one of the bowls with a 90 ° offset relative to the air coolers installed in one and a half cavities, and connected to one and a half cavities.
  • the invention is known cavitation reactor (Russian patent. Z 77475 from 12/27/2009), containing a housing having a cavity structure with nozzles for supplying and discharging liquid. Placed in the cavity structure of the housing parallel to the stator and rotor have holes that are compatible with the rotation of the rotor for fluid passage, the stator is connected to the housing, and the rotor is made in the form of a centrifugal wheel and is mounted on a rotating shaft. In addition, an oblique washer is installed on the rotor shaft, which has the ability to change the inclination relative to the vertical plane.
  • the generation of thermal energy in a cavitation reactor occurs due to the pulsation of the liquid in the holes of the rotor and stator, as well as due to the oscillations of the oblique washer in the heated fluid.
  • the cavitation reactor by design, is intended only for heating the liquid.
  • a well-known generator of cavitation processes (Russian patent N ° 2354461 from 05/10/2009), including a housing with inlet and outlet nozzles, located inside the housing rotor in the form of a disk with working blades mounted in the radial direction.
  • arcuate recesses are made on the cylindrical surface of the rotor, and the rotor blades are made in the form of spring-loaded plates placed in cups that are installed in radially directed slots of the rotor disk.
  • the generator housing is presented in the form of a casing, the walls of which are made with alternating cylindrical and straight surfaces, forming with the outer cylindrical surface of the rotor disk a working chamber with sections different in length of the chamber.
  • Power emitters are installed in the boundary zone of the straight and cylindrical surfaces of the housing.
  • the shape of the housing surfaces embedded in the design is such that each rotor blade in one revolution must pass 4 sections with a cylindrical surface and 4 sections with arcuate recesses, and the spring located under the blade should allow the blade to pass this complex profile.
  • the technical problem to which the invention is directed is to create a universal rotary cavitation dispersant generator in which the processed liquid, feed suspension, bones of birds and animals in water, the prepared bread dough is pumped independently, and the design of the dispersant generator would allow to install it in one and the same high-strength housing rotors, covers, spacer discs of various designs in order to obtain the maximum effect on heating the liquid or to obtain emulsions of cavitation liquid feed preparation of whole grains or cooking bread dough, flour passing phase by cavitation breakage of bones and bone meal preparation of comminuted to 0 - 10 mm bones of animals, birds, fish, cavitation disinfection of the processed products.
  • the design of the dispersant generator should include both a console version on the motor shaft, and with intermediate bearing bearings.
  • a cylindrical rotor or rotor blade which is rigidly mounted on the drive shaft with the possibility of rotation, a cover, a spacer disk , suction and discharge openings, on the periphery of a cylindrical or vane rotor are Levavasser emitters, the sharp edges of which are sharpened at an angle of 30 °, or pasta rotors, at the peripheral ends of which there are wedge-shaped tides, or a blade rotor with straight blades.
  • a round (cylindrical) rotor equipped with Levavasser emitters has pumping channels.
  • blade rotors can be made with straight blades, with blades equipped on the peripheral part of the Levavasser emitters, with one wedge-shaped tide on the periphery of the blade, with two wedge-shaped tides on the periphery of the blade and a lateral stiffener.
  • FIG - 1. shows a longitudinal section of a universal rotary cavitation generator-dispersant console design, including: 1 - housing generator-dispersant;
  • FIG - 2. - shows a longitudinal section of a generator-dispersant with intermediate bearing bearings, including:
  • FIG - 3. - shows a rotor-blade - 3, equipped at the peripheral ends of the blades with ultrasonic emitters Levavasser.
  • FIG - 4. depicted a blade rotor - 3 with straight blades.
  • FIG - 5. - shows the rotor - 3, equipped on the periphery of the blades with two wedge-shaped tides and a stiffener.
  • FIG - 6. - shows the rotor - 3 with one wedge-shaped tide at the peripheral ends of the blades.
  • FIG - 7. - shows a section of the rotor section - 3 with emitters of Levavasser - 6 of different tonality, located on the periphery of the rotor and equipped with pumping channels - 7, connecting individual emitters with a suction cavity and rods in the centers of the emitters.
  • FIG - 8. shows sections of ultrasonic emitters Levavasser a) without a rod, b) with a rod and the designation of the zones inside the emitters:
  • FIG - 9. shows the separation disk - 5 with input and output holes. 10 000781
  • the rotary, universal, cavitation dispersant generator consists of a fixed housing - 1, divided in half by a vertical partition into the input and output cavities, inside of which a rotor is located on the drive shaft of the electric motor - 4 or a shaft with bearing groups (bladed or circular cylindrical with Levavasser emitters) - 3
  • the case is closed by a cover - 2 (continuous for blade rotors and equipped with an inlet pipe for a cylindrical rotor with Levavasser radiators).
  • the rotary, universal, cavitation dispersant generator operates as follows:
  • the torque is transmitted through the shaft to the rotor - 3, placed between the cover - 2 and the separation disk - 5.
  • the mixture is discarded to the periphery of the blades, i.e. to the inner surface of the cover - 2. Behind the back of the rotor blade - 3 there is a zone of low pressure and the formation of cavitation bubbles.
  • the mixture carried away by the rotor blades, rushes along the surface of the lid and enters the space between the rotor blades under the action of hydrocline.
  • a sharp increase in pressure between the blades in the area of the outlet facilitates the collapse of cavitation bubbles and displaces part of the mixture into the outlet of the separation disk - 5, then into the outlet cavity (discharge zone), and then into the outlet pipe.
  • the cycles are repeated until the products or bones are ground, emulsions are created, or the liquid is heated to a predetermined temperature.
  • zone C Passing at high speed through zone C, cavitation bubbles and cavities are formed in the liquid, which disappear and “collapse” in zone B.
  • the liquid is compacted due to the disappearance of cavitation cavities, bubbles and discontinuities and past the opposite from the sharpened edge of the emitter at an angle of 90 ° to the liquid flowing onto the edge, thereby contributing to the amplification of ultrasonic cavitation oscillations in the liquid between the rotor and the housing .
  • temperatures up to 2000 ° C and pressures up to 25000 kg / cm 2 occur. This is the main factor ensuring the heating of the liquid.
  • FIG - 3 a blade rotor, equipped at the peripheral ends of the blades with Levavasser emitters, is most suitable for creating water-oil emulsions, for the preparation of oil-water emulsions, as well as for creating uniform emulsions from flooded oil spills;
  • FIG - 4 a blade rotor with straight blades, most suitable for the preparation of liquid feed from cereals, bypassing the stage of feed;
  • FIG - 5 a blade rotor with two wedge-shaped tides at the peripheral ends of the blades and a lateral stiffening rib is used to prepare bread dough from grain, bypassing the flour phase, due to the high pressures necessary for pumping thick dough;
  • FIG - 6 the blade rotor with one wedge-shaped tide at the peripheral ends of the blades is intended for the preparation of meat and bone paste from the bones of animals, birds and fish;
  • FIG - 7 a cylindrical rotor with Levavasser emitters of various keys equipped with pumping channels, as self-contained cavitation fluid heater, capable of simultaneously pumping fluid through the heating system.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)

Abstract

L'invention concerne le domaine des dispositifs de génération d'oscillations dans un milieu liquide circulant et peut s'utiliser dans des industries chimique, pétrolière, alimentaire et dans les constructions mécaniques ainsi qu'en agriculture pour préparer des aliments de bonne qualité et facilement assimilables ainsi que pour décontaminer toutes sortes de déchets. L'invention permet d'unifier différents organes de travail dans un seul corps lesdits organes étant destinés à mettre en oeuvre des techniques différentes, ce qui élargit les capacités techniques du générateur disperseur.
PCT/RU2010/000781 2010-03-30 2010-12-23 Générateur disperseur rotatif universel à cavitation WO2011122980A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2010112329/28A RU2433873C1 (ru) 2010-03-30 2010-03-30 Роторный, универсальный, кавитационный генератор-диспергатор
RU2010112329 2010-03-30

Publications (1)

Publication Number Publication Date
WO2011122980A1 true WO2011122980A1 (fr) 2011-10-06

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WO (1) WO2011122980A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017102179U1 (de) * 2017-04-11 2018-04-13 Piller Entgrattechnik Gmbh Vorrichtung zum Aufrauen von Zylinderlaufflächen
RU2658768C1 (ru) * 2017-09-21 2018-06-22 Юрий Андреевич Кривошеин Роторный кавитационный генератор-диспергатор

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2185898C2 (ru) * 2000-06-14 2002-07-27 Хафизов Фаниль Шамильевич Устройство для физико-химической обработки жидких сред
RU2203738C2 (ru) * 2001-07-26 2003-05-10 Институт горного дела - научно-исследовательское учреждение СО РАН Способ измельчения труднообогатимых руд и кавитационный диспергатор для его осуществления
RU2354461C2 (ru) * 2007-07-09 2009-05-10 Сергей Петрович Лесков Генератор кавитационных процессов
RU2377475C2 (ru) * 2006-02-08 2009-12-27 Виктор Миронович Дворников Кавитационный реактор

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2185898C2 (ru) * 2000-06-14 2002-07-27 Хафизов Фаниль Шамильевич Устройство для физико-химической обработки жидких сред
RU2203738C2 (ru) * 2001-07-26 2003-05-10 Институт горного дела - научно-исследовательское учреждение СО РАН Способ измельчения труднообогатимых руд и кавитационный диспергатор для его осуществления
RU2377475C2 (ru) * 2006-02-08 2009-12-27 Виктор Миронович Дворников Кавитационный реактор
RU2354461C2 (ru) * 2007-07-09 2009-05-10 Сергей Петрович Лесков Генератор кавитационных процессов

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