DE427527C - Device for step-by-step preheating of feed water by means of extraction (tap) steam - Google Patents

Device for step-by-step preheating of feed water by means of extraction (tap) steam

Info

Publication number
DE427527C
DE427527C DEA42656D DEA0042656D DE427527C DE 427527 C DE427527 C DE 427527C DE A42656 D DEA42656 D DE A42656D DE A0042656 D DEA0042656 D DE A0042656D DE 427527 C DE427527 C DE 427527C
Authority
DE
Germany
Prior art keywords
steam
feed water
extraction
preheater
tap
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
DEA42656D
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.)
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 DEA42656D priority Critical patent/DE427527C/en
Application granted granted Critical
Publication of DE427527C publication Critical patent/DE427527C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22DPREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/32Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
    • F22D1/325Schematic arrangements or control devices therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Description

Einrichtung zur stufenweisen Vorwärmung von Speisewasser durch Entnahme- (Anzapf-) Dampf. Es ist bekannt, das Kesselspeisewasser stufenweise vorzuwärmen, indem man es durch eine Reihe hinterdnandergeschalteter Oberflächenvorwärmer hindurchfö.rdert. Zur Beheizumg dient hierbei Entnabnmedampf, der entsprechenden Stufen einer Turbine entnommen wird oder Hilfsmaschinen. entstammt, die mit verschiedenem Geigerdruck arbeiten. Diese Anordnung hat den Mangel, daß die nicht unbeträchtlichen Mengen Entnahmedampf nirgends entgast werden., --wie z. B. der Dampf im Kondensator. Wollte man das Dampfwasser aus den -Vorwärmern in den Hauptkondensator einleiten, so würde seine Entgasung ohne neue Einbauten unvollkommen bleiben und seine Flüssigkeitswärme zum größten Teil vexlorengehen, ganz abgesehen davon, daß dies- Anschluß die Luftleere im Hauptkandensatar gefähadet und die Luftpumpe stärker belastet. Im Gegensatz dazu wird bei-der vorgeschlagenen Einrichtung die erste Stufe des Vorwärmers als unter Luftleere arbeitender Iffischvorwärmer ausgebildet und dieseln auch das Dampfwasser aus den die nächsten Stufen des Vorwärmers bildenden Oberflächenvorwäimerrb zugeführt. Dadurch wird erreicht, daß das ganze Speisewasser vor Eintritt in die Speisepumpe vollständig entlüftet, also auch die in dem Entnahmedampf enthaltene Luft abgeschieden wird. Die Entlüftung des Mischvorwärmers, in den eine ganz wesentlich geringere Luftleere herrscht als im Kondensator, erfordert auch viel geringeren Energieaufwand. Mit der Einrichtung nach der Erfindung läßt sich noch der weitere Vorteil erzielen, daß eine besondeire V orwäxmer-Kon;densatpurnpe erspart. wird.Device for the step-by-step preheating of feed water through extraction (Tap) steam. It is known to preheat the boiler feed water in stages, by conveying it through a series of consecutive surface preheaters. Denabnmedampf, the corresponding stage of a turbine, is used for heating is removed or auxiliary machines. comes from that with different violin pressure work. This arrangement has the disadvantage that the not inconsiderable quantities Extraction steam cannot be degassed anywhere., - such as B. the steam in the condenser. Wanted to the steam water from the pre-heaters would be introduced into the main condenser its degassing remains imperfect without new internals and its liquid heat to go for the most part, quite apart from the fact that this connection the vacuum in the main Candidate Satar gefähadet and the air pump is heavily loaded. In contrast, the proposed device uses the first stage of the preheater designed as an Iffish preheater working in a vacuum and diesels that too Steam water from the surface preheaters forming the next stages of the preheater fed. This ensures that all of the feed water before it enters the The feed pump is completely vented, including that contained in the extraction steam Air is separated. The venting of the mixer preheater, in which one is very important there is less evacuation than in the condenser, also requires much less Energy expenditure. With the device according to the invention, the further Achieve the advantage that a special preheater condensate pump saves. will.

Ein Ausfüihrungsbeispieldes Erfindungsgegenstandes ist schematisch. auf der Zeichnung dargestellt.One embodiment of the subject matter of the invention is schematic. shown on the drawing.

Der Turbine T, die beispielsweise einen Turbogenerator antreibt, wird in bekannter Weise an mehreren Stellen Dampf entnommen. Der Entnalhmedampf wird den Vorwärmeru V1, V2, V3 und V4 zugeführt. Die Zahl dieser Vorwärmer kann eine beliebige sein.The turbine T, which drives a turbo generator, for example, is Steam removed in a known manner at several points. The Entnalhmedampf will fed to the preheaters V1, V2, V3 and V4. The number of these preheaters can be one be arbitrary.

Bei dem damgestellten Beispiel ist der erste Vorwärmer VI als Mischvorwärmer ausgebildet, der unter Luftleere steht. Aus denn Kondensator K der Turbine T gelangt das Kondensat über die Pumpe IKp zum Speisewasserbehälter B. Dieser Speisewasserbehälter kann als gewöhnlicher offener Tank oder als Gasschutzbehälter ausgebildet sein.In the example presented at that time, the first preheater VI is designed as a mixing preheater, which is empty. The condensate passes from the condenser K of the turbine T via the pump IKp to the feed water tank B. This feed water tank can be designed as a normal open tank or as a protective gas tank.

Das Speisewasser tritt in den Mischvorwärm.er V1 ein und mischt sich dort mit einem Teil des Anzapfdampfes. In die Zuleitung des Entnahmedampfes zum Mischkondensator wird ferner das Kondensat der Oberflächenvorwärmer V2, V3 und V4 zugeführt, wie aus den in die Zeichnung eingetragenen Leitungen. ersichtlich ist. Auf diese Weise wird das ganze Speisewasser vor Eitritt in die Speisepumpe Sp vollständig entlüftet, da hinter der Speisepumpe Sp das Speisewasser nicht mehr in Berührung mit dem Entnahmedampf kommt. Weil die Vorwärmer V2, V3 und V4 als Oberflächenvorwärmer ausgebildet sind, läßt sich die Gewinnung eines vollständig entlüfteten Speisewassers durchführen. Eine besondere Vorwärmer-Kondeusatpumpe ist bei der beschriebenen Anlage entbehrlich.The feed water enters the mixing preheater V1 and mixes there with part of the bleed steam. In the supply line of the extraction steam to The condensate from the surface preheaters V2, V3 and V4 is also used as a mixing condenser supplied, as from the lines entered in the drawing. can be seen. In this way, all of the feed water is complete before it enters the feed pump Sp vented because the feed water is no longer in contact behind the feed pump Sp comes with the extraction steam. Because the preheaters V2, V3 and V4 are used as surface preheaters are formed, the production of a completely deaerated feed water can be carry out. A special preheater condenser pump is in the system described dispensable.

Claims (1)

P9TENT-ANSPRUCIi: Einrichtung zur stufenweisen Vorwärmung von Speisewasser durch Entnahme-(Aneapf-) Dampf, dadurch gekennzeichnet, daß die erste Stufe des Vorwärmers als unter Luftleere arbeitender Mischvorwärmer (V1) ausgebildet ist und daB diesem auch das Dampfwasser aus den die nächsten Stufen des Vorwärmers bildenden. Oberflächenvorwärmern (V2, V3, V4) zugeführt wird. P9TENT-ANSPRUCIi: Device for the step-by-step preheating of feed water by means of extraction (tapping) steam, characterized in that the first stage of the preheater is designed as a mixing preheater (V1) operating under vacuum and that this also includes the steam water from the next stages of the Preheater forming. Surface preheaters (V2, V3, V4) is fed.
DEA42656D 1924-07-15 1924-07-15 Device for step-by-step preheating of feed water by means of extraction (tap) steam Expired DE427527C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA42656D DE427527C (en) 1924-07-15 1924-07-15 Device for step-by-step preheating of feed water by means of extraction (tap) steam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA42656D DE427527C (en) 1924-07-15 1924-07-15 Device for step-by-step preheating of feed water by means of extraction (tap) steam

Publications (1)

Publication Number Publication Date
DE427527C true DE427527C (en) 1926-04-07

Family

ID=6933217

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA42656D Expired DE427527C (en) 1924-07-15 1924-07-15 Device for step-by-step preheating of feed water by means of extraction (tap) steam

Country Status (1)

Country Link
DE (1) DE427527C (en)

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