WO2012005631A2 - Réacteur hydrodynamique - Google Patents

Réacteur hydrodynamique Download PDF

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Publication number
WO2012005631A2
WO2012005631A2 PCT/RU2011/000493 RU2011000493W WO2012005631A2 WO 2012005631 A2 WO2012005631 A2 WO 2012005631A2 RU 2011000493 W RU2011000493 W RU 2011000493W WO 2012005631 A2 WO2012005631 A2 WO 2012005631A2
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
stator
reactor
grooves
protrusions
Prior art date
Application number
PCT/RU2011/000493
Other languages
English (en)
Russian (ru)
Other versions
WO2012005631A4 (fr
WO2012005631A3 (fr
Inventor
Сергей Михайлович СИДОРОВ
Борис Михайлович ПОСМЕТНЫЙ
Original Assignee
Sidorov Sergei Mikhailovich
Posmetny Boris Mikhailovich
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 Sidorov Sergei Mikhailovich, Posmetny Boris Mikhailovich filed Critical Sidorov Sergei Mikhailovich
Publication of WO2012005631A2 publication Critical patent/WO2012005631A2/fr
Publication of WO2012005631A3 publication Critical patent/WO2012005631A3/fr
Publication of WO2012005631A4 publication Critical patent/WO2012005631A4/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/06—Sludge reduction, e.g. by lysis

Definitions

  • the technical solution relates to wastewater treatment devices, and can be used to treat sewage sludge, in particular, to condition excess activated sludge before dehydration, as well as water disinfection.
  • sediments are formed, which are suspensions that are released in the process of their mechanical, biological and physico-chemical treatment. Poor moisture loss of sediments complicates their subsequent processing and disposal, and the pathogenic bacteria and helminth eggs contained in the sediment require disinfection.
  • a device for disinfecting wastewater [1] using cavitation containing a confuser - the front part, tapering downstream, narrow neck, diffuser - end part. Between the confuser and the diffuser there is an artificial obstacle in the form of a profiled needle to reduce the flow cross section and a turbine in the form of blades for rotating the profiled needle. As a result of the flow around an obstacle in the field of narrowing of the flow, its speed increases, a pressure drop is created, leading to the formation of cavitation flows.
  • the disadvantage of this device is that the cavitation layer is formed only in the diffusion part of the pipe - on the sides of a continuous stream of liquid moving along the axis of the pipe, and in the liquid moving along the axis of the diffuser, there is no cavitation.
  • This circumstance requires repeated cyclic repetition of the process with the same volume of the processed fluid.
  • This device is not suitable for the conditioning of sewage sludge, as they have a variable viscosity, and the operating mode of the apparatus requires constant viscosity of the treated fluid.
  • the reactor contains a housing having a cavity structure with nozzles for supplying and discharging liquids, a rotor in the form of a centrifugal wheel and a stator located in the cavity structure of the housing, having openings that are compatible when the rotor rotates.
  • the rotor is equipped with an annular high-pressure chamber located around the perimeter, the rotor holes are made in the annular chamber.
  • the hollow rotor is filled with the processed fluid, which, under the action of centrifugal forces, moves to the periphery of the rotor, and under pressure breaks out to the stator from narrow nozzles located on its periphery.
  • the kinetic energy of the rotor in the section from the center to the entrance to the high-pressure chamber is spent only on transporting the liquid, accelerating it to create pressure in the chamber, which is ineffective in the treatment of sewage sludge water
  • Cavitation reactor of rotary type [3] provides for the processing of liquid during its radial movement from the center of the rotor to the periphery.
  • the reactor contains a housing with inlet and outlet openings for the fluid to be treated, in which the rotor and stator are located in the form of disks.
  • Each disk has concentric grooves forming protrusions between them. In the grooves are made radial channels for the flow of fluid from the center of the rotor to the periphery.
  • the technical solution is based on the high sensitivity of plane flows to changes in lateral pressure [4]. It is advisable to organize a radial planar flow, subject to changes in lateral pressure, which will provide intense cavitation disturbances in the entire flow volume. In addition to cavitation, turbulent pulsations of the velocity in the jet exert an intense effect on the liquid being treated, many times increasing the intensity of the technological process. Therefore, it is advisable to additionally provide means for intensifying the technological process by placing them on the rotor and stator in places where the fluid velocity is maximum, that is, at the periphery of the rotor.
  • the intensification means should be made in the form of holes, the depth of which exceeds their diameter, capable of periodically matching when the rotor rotates, forming volumes of a sharp decrease in pressure according to the type of "Griggs cells" [5], and for viscous precipitations, the holes on the rotor can be through.
  • the technical task of the solution is to create an effective device that provides integrated treatment for conditioning wastewater sludge before dehydration, in order to improve moisture-removing properties, with simultaneous disinfection.
  • Figure 1 shows a section of the reactor
  • figure 2 shows the element a from figure 1
  • figure 3 shows an embodiment of a design with through holes on the rotor.
  • the reactor consists of a detachable stator 1 of cylindrical shape, forming a cavity in which there is an inlet 2 and an outlet 3, a rotor 4 is mounted, mounted on the shaft 5.
  • the shaft is driven by external force, for example, an electric motor (not shown).
  • Concentric grooves 6 are made on both surfaces of the rotor, having a triangle profile, with an internal angle y. Concentric grooves on the rotor surface form protrusions 7.
  • the stator disks also have concentric grooves 8 forming protrusions 9.
  • the profile of the concentric grooves of the rotor and stator is identical, the rotor grooves are mated with the stator protrusions, and the stator grooves are mated with the rotor protrusions with axial clearance d ( Figure 2). Between the largest radius of the concentric groove and the edge of the rotor are means of turbulence of the flow of the processed medium, which are holes 10 on the rotor, and holes 11 on the stator, capable of matching when the rotor rotates. Between the smallest radius of the concentric groove and the center of the rotor are openings 12, which are mixing means.
  • the processed fluid through the inlet 2 is fed under some pressure to the reactor, where it enters the hub of the rotor and is discarded by centrifugal forces from the center of rotation of the rotor to its periphery.
  • the liquid fills the reactor, mixes intensively, and enters the axial gaps between the grooves and protrusions of the rotor and stator disks. Due to the wettability between the fluid being treated and the surfaces of the reactor, the fluid comes into rotation, is carried away by the grooves and protrusions of the rotor and is held by the grooves and protrusions of the stator.
  • tensile and shear stresses arise, a flat flow of rotating fluid forms, flowing and tearing away from the surfaces of the grooves and protrusions, experiencing lateral pressure drops.
  • the axial clearance is a segment of the wave system with the conditions specified at the end. Excitation by overlapping openings of vibrations at one end of the stream with frequencies close to the total frequency emitted by the reactor intensifies the process of liquid treatment many times.
  • Moisture loss indicators were determined by the known method [6], by sampling the initial and treated sediment, and comparing the optical density of the filtrate of these samples.
  • Bacteriological and parasitological indicators were determined according to the known methods MU 2.1.5.800-99 and MUK 4.2.796-99.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Physical Water Treatments (AREA)

Abstract

L'invention concerne un réacteur hydrodynamique destiné au conditionnement des sédiments d'eaux usées, et notamment de limon actif en excès au stade précédant la déshydratation, et à la mise en oeuvre de processus de purification biologique d'eaux usées et de désinfection de l'eau. Le réacteur effectue un traitement hydrodynamique efficace assurant la destruction cellulaire des micro-organismes du limon actif, l'élimination dans l'eau disponible de microflore pathogène et d'oeufs d'helminthes, et assure la coagulation du sédiment des eaux usées sans utiliser de coagulants ni de floculants.
PCT/RU2011/000493 2010-07-07 2011-07-06 Réacteur hydrodynamique WO2012005631A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2010128180 2010-07-07
RU2010128180 2010-07-07

Publications (3)

Publication Number Publication Date
WO2012005631A2 true WO2012005631A2 (fr) 2012-01-12
WO2012005631A3 WO2012005631A3 (fr) 2012-03-01
WO2012005631A4 WO2012005631A4 (fr) 2012-04-19

Family

ID=45441698

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2011/000493 WO2012005631A2 (fr) 2010-07-07 2011-07-06 Réacteur hydrodynamique

Country Status (1)

Country Link
WO (1) WO2012005631A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2531931C1 (ru) * 2013-06-05 2014-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Мурманский государственный технический университет" (ФГОУВПО "МГТУ") Способ физико-химической очистки сточных вод
WO2019078806A1 (fr) 2017-10-17 2019-04-25 Osypenko Serhii Procédé permettant d'obtenir un biofertilisant organique liquide pour sol et/ou végétaux, biofertilisant et procédés d'utilisation associés

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2179066C1 (ru) * 2000-06-21 2002-02-10 Чиргин Сергей Георгиевич Устройство для растворения, эмульгирования и диспергирования различных материалов
RU49608U1 (ru) * 2005-06-16 2005-11-27 Дворников Виктор Миронович Кавитационный реактор
UA30347U (en) * 2007-10-17 2008-02-25 Научно-Производственное Предприятие "Новые Технологии И Инвестиции" Hydrodynamic reactor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2179066C1 (ru) * 2000-06-21 2002-02-10 Чиргин Сергей Георгиевич Устройство для растворения, эмульгирования и диспергирования различных материалов
RU49608U1 (ru) * 2005-06-16 2005-11-27 Дворников Виктор Миронович Кавитационный реактор
UA30347U (en) * 2007-10-17 2008-02-25 Научно-Производственное Предприятие "Новые Технологии И Инвестиции" Hydrodynamic reactor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2531931C1 (ru) * 2013-06-05 2014-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Мурманский государственный технический университет" (ФГОУВПО "МГТУ") Способ физико-химической очистки сточных вод
WO2019078806A1 (fr) 2017-10-17 2019-04-25 Osypenko Serhii Procédé permettant d'obtenir un biofertilisant organique liquide pour sol et/ou végétaux, biofertilisant et procédés d'utilisation associés

Also Published As

Publication number Publication date
WO2012005631A4 (fr) 2012-04-19
WO2012005631A3 (fr) 2012-03-01

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