DE907486C - Method and device for coagulating solid suspended particles in gases by means of sound waves - Google Patents

Method and device for coagulating solid suspended particles in gases by means of sound waves

Info

Publication number
DE907486C
DE907486C DEA489A DEA0000489A DE907486C DE 907486 C DE907486 C DE 907486C DE A489 A DEA489 A DE A489A DE A0000489 A DEA0000489 A DE A0000489A DE 907486 C DE907486 C DE 907486C
Authority
DE
Germany
Prior art keywords
sound
suspended particles
gases
sound waves
standing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DEA489A
Other languages
German (de)
Inventor
Dr Willy Kunze
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atlas Werke AG
Original Assignee
Atlas Werke AG
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 Atlas Werke AG filed Critical Atlas Werke AG
Priority to DEA489A priority Critical patent/DE907486C/en
Application granted granted Critical
Publication of DE907486C publication Critical patent/DE907486C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
    • B01D49/006—Separating dispersed particles from gases, air or vapours by other methods by sonic or ultrasonic techniques

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Description

Verfahren und Vorrichtung zum Koagulieren fester Schwebeteilchen in Gasen mittels Schallwellen Bei der Einwirkung stehender Schallfelder auf Aerosole werden die in ihnen enthaltenen Schwebeteilchen zu Schwingungsbewegungen unterschiedlicher Amplitude angeregt und dabei in die DJruckknoten des stehenden Schallfeldes getrieben. Dort sammeln sie sich an, und die durch Zusammensboß koagulierten Teilchen werden unter dem Einfluß der Gravitationskräfte ausgeschieden. Es ist schon vorgeschlagen worden, die Koagulation dadurch zu verbessern, daß man mehrere Schalifelder von verschiedener Form oder Lage ihrer Wellenstruktur im gleichen Raum auf das Aerosol einwirken läßt.Method and device for coagulating solid suspended particles in Gases by means of sound waves When standing sound fields act on aerosols the suspended particles contained in them become vibrational movements of different kinds Amplitude excited and thereby driven into the pressure knot of the standing sound field. There they accumulate, and the particles coagulated by collapse become excreted under the influence of gravitational forces. It's already suggested been to improve the coagulation by having several Schalifelfields of different shape or position of their wave structure in the same space on the aerosol can act.

Dadurch wird erreicht, daß die Schwebeteilchen den koagulierenden Schwingungen im Schallfeld in stärkerem Maße ausgesetzt werden, als dies in einem einfachen stehenden Schallfeld möglich ist. This ensures that the suspended particles coagulate the Vibrations in the sound field are exposed to a greater extent than in one simple standing sound field is possible.

Erfindungsgemäß wird zur Verbesserung der Koguiatinn der Schall intermittierend in Form voll Schallimpulsen auf die Aerosole zur Einwirkung gebracht. Dadurch wird erreicht, daß, ,obwohl sich im stationären Zustand nur ein einziges stehendes Schallfeld ausbilden kann, die Schwebeteilchen ähnlich wie bei der Anwendung verschiedener stehen. der Schallfelder in erhöhtem Maße Schwingungskräften unterworfen werden. Das Schallfeld muß sich bei jedem neuen Schallimpuls erst wieder nett aufbauen, so daß sich zusätzliche Bewegungen besonders durch die Wallderung der Wellenfront ergehen. Das neue Verfahren läßt sich vorteilhaft auch auf die Schallbehandiung mit fortschreitenden Schallfeldern anwenden, da die Einwirkung der Irnpulsfront nicht nur im stehenden, sondern auch im fortschreitenden Schallfeld sich günstig auf die Stoßkoagulierung der Schwebeteilchen auswirkt. Die einzelnen Schallimpulse können gleichgerichtet sein; sie können aber auch in verscbiedencr Richtung auf das Aerosol zur Einwirkung gebracht werden. According to the invention, the sound is intermittent to improve the koguiatinn brought into action in the form of full sound impulses on the aerosols. This will achieves that, although in the steady state there is only a single standing sound field can form the suspended particles similar to the application of different stand. the sound fields are subjected to increased vibration forces. The sound field has to build up nicely with each new sound impulse, so that additional movements occur particularly through the walling of the wave front endure. The new method can also advantageously be applied to sound treatment apply with advancing sound fields, since the effect of the impulse front not only in the standing, but also in the advancing sound field affects the collision coagulation of the suspended particles. The individual sound impulses can be rectified; but they can also be of different types direction to act on the aerosol.

Ferner ist es vorteilhaft, die Schallimpulse in Verbindung mit einem stehenden Schallfeld zu benutzen. Dabei wird die Impuisrichtung zweckmäßig so gewählt, daß sie mit der Richtung der Druckknotenzonen des stehenden Schallfeldes übereinstimmt, so daß durch das stehende Schallfeld die Schwebeteilchen zunächst vorkoaguliert und in den Druckknotenzonen gesammelt werden während sie durch die Schallimpulse zu weiteren Schwingungen in Richtung der Druckknotenzonen oder Wellenbäuche angeregt werden. It is also advantageous to use the sound pulses in conjunction with a to use standing sound field. The impulse direction is expediently chosen so that that it coincides with the direction of the pressure node zones of the standing sound field, so that the suspended particles are initially precoagulated by the standing sound field and are collected in the pressure nodal zones as they go through the sound pulses stimulated to further oscillations in the direction of the pressure knot zones or the wave bulges will.

Claims (4)

PATENTANSPRÜCHE: I. Verfahren zum Koagulieren fester Schwebeteilchen in Gasen mittels stehender Schallwellen, dadurch gekennzeichnet, daß der Schall intermittierend in Form von Schallimpulsen auf die Aerosole zur Einwirkung gebracht wird. PATENT CLAIMS: I. Process for coagulating suspended solid particles in gases by means of standing sound waves, characterized in that the sound intermittently brought into action in the form of sound impulses on the aerosols will. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß auf das Aerosol ein dauenld aufrechterhaltenes, stehendes Schallfeld und anschließend wechselweise oder gleichzeitig eine Folge von Schallimpulsen einwirkt. 2. The method according to claim 1, characterized in that on the Aerosol is a permanently maintained, standing sound field and then alternately or at the same time a series of sound impulses acts. 3. Verfahren nach Anspruch I oder 2, dadurch gekennzeichnet, daß die Schallimpulse verschiedene Richtung haben 3. The method according to claim I or 2, characterized in that the sound impulses have different directions 4. Vorrichtung zur Ausübung des Verfahrens nach den Ansprüchen 1, 2 und 3, dadurch gekennzeichnet, daß mit der Beschallungskammer ein Schallerzeuger verbunden ist, der zur intermittierenden Abstrahlung von Schallwellen oder von Schallimpulsen eingerichtet ist.4. Apparatus for carrying out the procedure according to claims 1, 2 and 3, characterized in that with the sonication chamber a sound generator is connected to the intermittent emission of sound waves or is set up by sound pulses.
DEA489A 1949-12-16 1949-12-16 Method and device for coagulating solid suspended particles in gases by means of sound waves Expired DE907486C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA489A DE907486C (en) 1949-12-16 1949-12-16 Method and device for coagulating solid suspended particles in gases by means of sound waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA489A DE907486C (en) 1949-12-16 1949-12-16 Method and device for coagulating solid suspended particles in gases by means of sound waves

Publications (1)

Publication Number Publication Date
DE907486C true DE907486C (en) 1954-03-25

Family

ID=6919244

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA489A Expired DE907486C (en) 1949-12-16 1949-12-16 Method and device for coagulating solid suspended particles in gases by means of sound waves

Country Status (1)

Country Link
DE (1) DE907486C (en)

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