DE461567C - Process for the electrical heating of liquids - Google Patents

Process for the electrical heating of liquids

Info

Publication number
DE461567C
DE461567C DEI27411D DEI0027411D DE461567C DE 461567 C DE461567 C DE 461567C DE I27411 D DEI27411 D DE I27411D DE I0027411 D DEI0027411 D DE I0027411D DE 461567 C DE461567 C DE 461567C
Authority
DE
Germany
Prior art keywords
liquids
electrical heating
grude
grains
heating
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
DEI27411D
Other languages
German (de)
Inventor
Dr Fritz Winkler
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to DEI27411D priority Critical patent/DE461567C/en
Application granted granted Critical
Publication of DE461567C publication Critical patent/DE461567C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • F24H1/102Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)

Description

Verfahren zur elektrischen Heizung von Flüssigkeiten. Es ist bekannt, Flüssigkeiten unter Verwendung eines aus Körnern von stromleitendem Material bestehenden elektrischen Widerstandes elektrisch zu heizen.Process for the electrical heating of liquids. It is known, Liquids using one made up of grains of conductive material electrical resistance to heat electrically.

Es wurde nun gefunden, daß sich die Erhitzung von Flüssigkeiten in besonders vorteilhafter Weise ausführen läßt, wenn mau das zwischen zwei Elektroden innerhalb der Flüssigkeit befindliche leitende, körnige Material während des Stromdurchganges durch einen in die Flüssigkeit- eingeleiteten Gasstrom dauernd in Bewegung hält. Diese Arbeitsweise hat den Vorzug einer raschen Erhitzung; auch werden hiermit nachteilige Zersetzungserscheinungen, wie z. B. beim Erhitzen von Teeren, Mineralölen u. dgl., hintangehalten, indem z. B. in den genannten Fällen eine Kohleabscheidung an den Körnern nicht stattfindet.It has now been found that the heating of liquids in can be carried out particularly advantageously if this is between two electrodes conductive, granular material located within the liquid during the passage of the current kept in motion by a gas flow introduced into the liquid. This mode of operation has the advantage of rapid heating; this also becomes disadvantageous Decomposition phenomena, such as B. when heating tars, mineral oils, etc., held back by z. B. in the cases mentioned, a carbon deposition to the Grains does not take place.

Beispiel. In einem mit Teer von 12o° C gefüllten Emailletopf wurden in einem Abstand von 13 cm zwei Elektroden von je 2,4. qdm Fläche eingesetzt, der Raum zwischen den Elektroden wurde mit frisch geglühter Grude aufgefüllt. Die Grude lag auf einem durchlässigen Rost aus Schamottesteinen, durch den Wasser-Stoff von unten durch die Grude geschickt wurde, der die Grude dauernd in Bewegung hielt. An die Elektroden wurde Wechselstrom von 380 Volt angelegt. Unter rascher Erwärmung des Teeres gingen zuerst 8o bis too Amp. durch, bis schließlich der Teer stark zu kochen begann. Der Siedepunkt stieg nun bei einem Stromdurchgang von 2o bis 3o Amp. rasch auf 2oo° und schließlich auf 300° C. Diese Temperatur wurde unter Zufluß von Frischteer und unter Abziehen des Pechs beibehalten.Example. In an enamel pot filled with tar at 120 ° C., two electrodes of 2.4 each were placed at a distance of 13 cm. qdm area used, the space between the electrodes was filled with freshly annealed Grude. The Grude lay on a permeable grate made of firebrick, through which water was sent from below through the Grude, which kept the Grude constantly in motion. Alternating current of 380 volts was applied to the electrodes. While the tar was heated rapidly, 80 to too amp. Went through at first until the tar began to boil heavily. The boiling point rose rapidly to 200 ° and finally to 300 ° C. when the current was passed from 20 to 30 amps. This temperature was maintained with the inflow of fresh tar and the removal of the pitch.

An Stelle von Grude kann auch Graphit, Koks, Retortengraphit, Siliciumcarbid usw. verwendet «-erden. Man kann z. B. Koks auch in wallnußgroßen Stücken, zwischen denen die Flüssigkeit leicht zirkuliert, verwenden. Auch Metallstücke, zweckmäßig Metallkugeln, z. B. von Chrom-Xickel-Legierungen, sind für den vorgenannten Zweck sehr gut ,geeignet.Instead of Grude, graphite, coke, retort graphite, silicon carbide can also be used etc. used «-erden. You can z. B. coke also in walnut-sized pieces, between which the liquid circulates easily. Also pieces of metal, useful Metal balls, e.g. B. of chromium-nickel alloys, are for the aforementioned purpose very suitable.

Dieses Erhitzungsverfahr en läßt sich auch bei sehr hohen Drucken, z. B. bei der Verflüssigung der Kohle, auch bei der Druckhydrierung von Teeren und Erdölen anwenden, und es wird so eine technisch gut durchführbare direkte Wärmeübertragung auf das zu behandelnde Material ermöglicht.This heating process can also be used at very high pressures, z. B. in the liquefaction of coal, also in the pressure hydrogenation of tars and Apply petroleum, and it becomes a technically well feasible direct heat transfer on the material to be treated.

Claims (1)

PATENTANSPRUCH: Verfahren zur elektrischen Heizung von Flüssigkeiten , durch Verwendung eines aus Körnern von leitendem Material bestehenden elektrischen Widerstandes in der zu beheizenden Flüssigkeit, dadurch gekennzeichnet, daß die Körner während des Stromdurchganges durch einen in die Flüssigkeit eingeleiteten Gasstrom dauernd in Bewegung gehalten werden. Claim: A method for the electrical heating of liquids by using an electrical resistance consisting of grains of conductive material in the liquid to be heated, characterized in that the grains are kept in motion during the passage of current by a gas flow introduced into the liquid.
DEI27411D 1926-02-12 1926-02-12 Process for the electrical heating of liquids Expired DE461567C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEI27411D DE461567C (en) 1926-02-12 1926-02-12 Process for the electrical heating of liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI27411D DE461567C (en) 1926-02-12 1926-02-12 Process for the electrical heating of liquids

Publications (1)

Publication Number Publication Date
DE461567C true DE461567C (en) 1928-06-23

Family

ID=7186768

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI27411D Expired DE461567C (en) 1926-02-12 1926-02-12 Process for the electrical heating of liquids

Country Status (1)

Country Link
DE (1) DE461567C (en)

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