DE649587C - Drying of ceramic bodies using high-frequency electrical fields - Google Patents

Drying of ceramic bodies using high-frequency electrical fields

Info

Publication number
DE649587C
DE649587C DES122374D DES0122374D DE649587C DE 649587 C DE649587 C DE 649587C DE S122374 D DES122374 D DE S122374D DE S0122374 D DES0122374 D DE S0122374D DE 649587 C DE649587 C DE 649587C
Authority
DE
Germany
Prior art keywords
drying
electrical fields
frequency electrical
ceramic bodies
mass
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
DES122374D
Other languages
German (de)
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.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens 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 Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Priority to DES122374D priority Critical patent/DE649587C/en
Application granted granted Critical
Publication of DE649587C publication Critical patent/DE649587C/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
    • F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Insulating Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Description

Trocknung keran-iischer Massen durch elektrische Hochfrequenzfelder Es ist vorgeschlagen worden, keramische Massen, beispielsweise Porzellanmasse, dadurch zu trocknen, daß die Masse der Einwirkung eines elektrischen Hochfrequenzfeldes äusgesetzt wird, dessen Frequenz einer Wellenlänge von etwa 5 bis 5o m -entspricht.Drying of keranic masses using high-frequency electrical fields It has been proposed to use ceramic masses, for example porcelain mass, thereby to dry that mass of the action of a high frequency electric field is set, the frequency of which corresponds to a wavelength of about 5 to 5o m.

Gegenstand der Erfindung ist eine Verbesserung und weitere Ausgestaltung dieses Verfahrens, welches sich auf die Trocknung von unregelmäßig gestalteten Gegenständen aus keramischer Masse bezieht. Erfindungsgemäß werden die Gegenstände während des Trocknungsvorgangs mit einer Mantelmasse umgeben, damit zwischen den das elektrische Feld erzeugenden Elektroden ein Körper entsteht, der mit Bezug auf das elektrische Feld wie ein Körper durchgehend gleichen Querschnittes wirkt; denn die durch das Wechselfeld erzeugte Wärmemenge ist proportional der Leitfähigkeit und dem Quadrat der Feldstärke, so daß es zweckmäßig ist, die Feldstärke möglichst gleichmäßig über den Querschnitt des zu trocknenden Körpers zu verteilen.The subject of the invention is an improvement and a further embodiment this process, which focuses on the drying of irregularly shaped objects from ceramic mass. According to the invention, the objects are during the Surrounding the drying process with a sheath mass, so that between the electrical Electrodes that generate a body are created with respect to the electrical field Field acts like a body with the same cross-section throughout; because through that The amount of heat generated by an alternating field is proportional to the conductivity and the square the field strength, so that it is advisable to use the field strength as evenly as possible to distribute the cross-section of the body to be dried.

Für den Mantel wird zweckmäßig pulverisierte Masse verwendet, die etwa-die gleiche Zusammensetzung hat wie die Masse des zu trocknenden Gegenstandes. Vorteilhaft ist es auch, einen Stoff als Mantelmasse zu verwenden, welcher einen kleinen Verlustwinkel und eine verhältnismäßig große Dielektrizitätskonstante besitzt.Powdered mass is expediently used for the jacket has about the same composition as the mass of the object to be dried. It is also advantageous to use a substance as a sheath mass, which one has a small loss angle and a relatively large dielectric constant.

Claims (1)

PATGNTANSPRUCI1: Anordnung zur Trocknung von Gegenständen aus keramischer Masse mit Hilfe elektrischer Hochfrequenzfelder; dadurch gekennzeichnet, daß Gegenstände unregelmäßiger Gestalt mit einer Mantelmasse umgeben werden, welche die gleiche Zusammensetzung hat wie der zu trocknende Gegenstand oder -aus einem Stoff von kleinem Verlustwinkel und großer Dielektrizitätskonstante besteht.PATGNTANSPRUCI1: Arrangement for drying objects made of ceramic Mass by means of high-frequency electric fields; characterized in that objects irregular shape are surrounded by a sheath compound which is the same Composition has like the object to be dried or from a fabric of small size Loss angle and large dielectric constant exists.
DES122374D 1936-04-17 1936-04-17 Drying of ceramic bodies using high-frequency electrical fields Expired DE649587C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES122374D DE649587C (en) 1936-04-17 1936-04-17 Drying of ceramic bodies using high-frequency electrical fields

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES122374D DE649587C (en) 1936-04-17 1936-04-17 Drying of ceramic bodies using high-frequency electrical fields

Publications (1)

Publication Number Publication Date
DE649587C true DE649587C (en) 1939-09-12

Family

ID=7535859

Family Applications (1)

Application Number Title Priority Date Filing Date
DES122374D Expired DE649587C (en) 1936-04-17 1936-04-17 Drying of ceramic bodies using high-frequency electrical fields

Country Status (1)

Country Link
DE (1) DE649587C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE936057C (en) * 1944-01-07 1955-12-29 Siemens Ag Device for gluing and gluing of materials, e.g. B. wood, under pressure in the direction of the glue joints running electrical alternating field, especially in an ultra-short wave field with a wave length of less than 100 m
DE950947C (en) * 1951-06-24 1956-10-18 Bbc Brown Boveri & Cie Method and device for avoiding overheating of the edge zone of a non-metallic work piece to be heated in the dielectric high frequency field

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE936057C (en) * 1944-01-07 1955-12-29 Siemens Ag Device for gluing and gluing of materials, e.g. B. wood, under pressure in the direction of the glue joints running electrical alternating field, especially in an ultra-short wave field with a wave length of less than 100 m
DE950947C (en) * 1951-06-24 1956-10-18 Bbc Brown Boveri & Cie Method and device for avoiding overheating of the edge zone of a non-metallic work piece to be heated in the dielectric high frequency field

Similar Documents

Publication Publication Date Title
DE649587C (en) Drying of ceramic bodies using high-frequency electrical fields
DE1565344A1 (en) Process for the manufacture of resistance heating elements
DE826325C (en) Electric resistance heater
DE656681C (en) Method and device for drying ceramic bodies
DE677457C (en) Method and arrangement for drying rod-shaped objects made of wood
DE669013C (en) Process for drying ceramic bodies with the aid of high-frequency alternating electric fields
DE2832027A1 (en) CATHODE FOR ELECTRON MISSION
DE932205C (en) Arrangement for moisture determination
DE707925C (en) Process for comminuting, in particular pulverizing, coal and other commodities
DE741634C (en) Grid electrode for electrical collectors
DE515013C (en) Process for annealing large metal blocks
DE614046C (en) Process for the production of a semiconducting body for use as a spark gap
AT114200B (en) Process for the production of electric heating elements for irons, cooking equipment and the like. Like. With a heating resistor embedded in an insulating compound.
AT163833B (en) Process for arc welding aluminum alloys containing magnesium
SU72362A1 (en) The method of preparation of antioxidant
DE1583469C (en) Method of operating electrothermal reduction furnace
DE746773C (en) Extinguishing spark gap
DE376197C (en) Carbon electrode for electric ovens
DE509098C (en) Smoke generator
DE377000C (en) Process for obtaining a water-setting agent from anhydrite
DE714981C (en) Metallic auxiliary electrode for salt bath ovens
DE853621C (en) High performance heat emitters, especially for drying and therapeutic applications
DE729176C (en) Tip for inner rattle
AT244201B (en) Process for the treatment, in particular for the shaping of liquid-containing substances and form for carrying out the process
DE944022C (en) Arrangement for regulating voltages