CH200786A - Control device for flow tube steam generator. - Google Patents
Control device for flow tube steam generator.Info
- Publication number
- CH200786A CH200786A CH200786DA CH200786A CH 200786 A CH200786 A CH 200786A CH 200786D A CH200786D A CH 200786DA CH 200786 A CH200786 A CH 200786A
- Authority
- CH
- Switzerland
- Prior art keywords
- separator
- amount
- control device
- liquid
- steam
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
- F22B35/06—Control systems for steam boilers for steam boilers of forced-flow type
- F22B35/10—Control systems for steam boilers for steam boilers of forced-flow type of once-through type
- F22B35/102—Control systems for steam boilers for steam boilers of forced-flow type of once-through type operating with fixed point of final state of complete evaporation, e.g. in a steam-water separator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B29/00—Steam boilers of forced-flow type
- F22B29/06—Steam boilers of forced-flow type of once-through type, i.e. built-up from tubes receiving water at one end and delivering superheated steam at the other end of the tubes
- F22B29/08—Steam boilers of forced-flow type of once-through type, i.e. built-up from tubes receiving water at one end and delivering superheated steam at the other end of the tubes operating with fixed point of final state of complete evaporation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Description
Regelungsvorrichtung für Dnrchflnss-Röhrendampferzeuger. Die Erfindung betrifft eine Regelungs- vorrichtung für Durchfluss-Röhrendampf- erzeuger, bei welchen die Gesamtmenge des Arbeitsmittels innerhalb der Verdampfungs- zone des Kessels, also an einer Stelle,
wo das Arbeitsmittel noch Wasser enthält, in einen; Abscheider geführt wird, aus dem eine Teilmenge des noch nicht verdampften.
Was sers ständig abgeführt wird, während der noch Wasser enthaltende Dampf in einen: Nachverdampfer weiterströmt. Ein solcher Dampferzeuger ist in Ader Patentschrift Nr. 1992,8.1, beschrieben.
Die Regelungsvorrichtung ,steht unter dem Einfluss eines hinter dem Abscheider an geordneten Thermostaten, der die aus dem Abscheider abgeschlämmte Flüssigkeitsteil menge in Abhängigkeit von der Temperatur hinter dem Abscheider einstellt und auf die sem Wege die aus dem Abscheider abge führte Flüssigkeitsmenge innerhalb gewisser Grenzen ins richtige
'Verhältnis zu der jenigen Flüssigkeitsmenge bringt, die mit dem Dampf aus dem Abseheider in den Nachverdampfer weiter strömt. Um d .ie Ab fuhr aus einem Abschelder zu regeln, wurde schon vorgeschlagen, das Flüssigkeitsniveau im Abseheider durch einen Übellauf zu regeln.
Diese Lösung fühlte aber nicht zum Ziel, rla der Überlauf keine fortlaufende Regelung ermöglichte.
Ein Beispiel des Erfindungsgegenstandes ist auf der Zeichnung schematisch darge stellt.
Das .durch -die Speisepumpe 1 über @die Leitung 2 dem Dampferzeuger zugeführte Arbeitsmittel wird im Vorwärmerteil 3 er wärmt, strömt darauf in den über der Feue- rung 4 angeordneten Verdampferteil 5, aus dem es als Dampf-Wassergemisch in den Abscheider 6 gelangt.
Aus dem Abscheider 6 strömt der Dampf in den Nachverdampfer 7, von wo er über die mit einem Thermostaten 9 versehene Leitung 8 in den Überhitzer <B>10</B> und aus diesem übel die Leitung 11 in die Maschine 12 gelangt. Durch die Leitung 13 strömt das Kondensat aus dem Kondensator 14 in. die Speisepumpe 1.
Mit Hilfe des Thermostaten 9 wird das l4elorgan 16 in der Abschlämmleitung 15 über die Leitung 17 durch den Servomotor 18 ,so betätigt, dass beim Ansteigen der Temperatur hinter dem Abscheider 6 die abgeschlämmte Flüssig- keitsteilmenge verkleinert,
bezw. umgekehrt beim Abnehmen der Temperatur vergrössert wird. Durch die beschriebene Vorrichtung wird der Vorteil erreicht, dass weder der Nachverdampfer als Überhitzer zur Wir kung kommen kann, noch der Abseheider mit zu viel Flüssigkeit überschwemmt wird,
wo mit der Endzweck der Erfindung - eine Verkleinerung der dem Dampferzeuger als Ersatz für die abgeschlämmte Wassermenge zuzuführenden Eksatzflüseigkeitamenge erreicht wiard.
Control device for flow tube steam generator. The invention relates to a control device for through-flow tubular steam generators, in which the total amount of working medium within the evaporation zone of the boiler, i.e. at one point
where the working fluid still contains water, in one; Separator is performed, from which a subset of the not yet evaporated.
What sers is constantly removed, while the steam, which still contains water, flows on into a post-evaporator. Such a steam generator is described in Ader's patent specification no. 1992,8.1.
The control device is under the influence of a thermostat arranged behind the separator, which adjusts the amount of liquid removed from the separator depending on the temperature behind the separator and in this way the amount of liquid discharged from the separator is correct within certain limits
'Brings the ratio to the amount of liquid that continues to flow with the steam from the separator into the re-evaporator. In order to regulate the discharge from a separator, it has already been proposed to regulate the liquid level in the separator by means of an overrun.
However, this solution did not achieve its goal, because the overflow did not enable continuous regulation.
An example of the subject matter of the invention is shown schematically in the drawing.
The working medium supplied to the steam generator by the feed pump 1 via the line 2 is warmed up in the preheater part 3 and then flows into the evaporator part 5 located above the furnace 4, from which it reaches the separator 6 as a steam-water mixture.
From the separator 6, the steam flows into the re-evaporator 7, from where it passes via the line 8 provided with a thermostat 9 into the superheater 10 and from there the line 11 enters the machine 12. The condensate flows through the line 13 from the condenser 14 into the feed pump 1.
With the help of the thermostat 9, the valve element 16 in the blowdown line 15 is operated via the line 17 by the servomotor 18 so that when the temperature rises behind the separator 6, the partial amount of blown liquid is reduced,
respectively conversely, when the temperature decreases, it is increased. The device described has the advantage that neither the re-evaporator can act as a superheater, nor the separator is flooded with too much liquid,
where with the end purpose of the invention - a reduction in the amount of spray liquid to be supplied to the steam generator as a replacement for the amount of water that has been blown off is achieved.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH200786T | 1937-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH200786A true CH200786A (en) | 1938-10-31 |
Family
ID=4444246
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH200786D CH200786A (en) | 1937-10-02 | 1937-10-02 | Control device for flow tube steam generator. |
| CH204601D CH204601A (en) | 1937-10-02 | 1937-11-27 | Flow tube steam generator. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH204601D CH204601A (en) | 1937-10-02 | 1937-11-27 | Flow tube steam generator. |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT157503B (en) |
| CH (2) | CH200786A (en) |
| DE (3) | DE714895C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE895770C (en) * | 1950-02-19 | 1953-11-05 | Otto Dipl-Ing Engler | Arrangement to limit the drop in hot steam temperature in once-through boilers |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1032749B (en) * | 1954-07-12 | 1958-06-26 | Siemens Ag | Device for automatic feed water control of a once-through boiler |
| CH357413A (en) * | 1958-05-22 | 1961-10-15 | Sulzer Ag | Method and device for diverting liquid working medium from the separator of a once-through steam generator |
| DE1236526B (en) * | 1958-12-23 | 1967-03-16 | Siemens Ag | Device for regulating the ratio of coolant to feed water in once-through boilers |
| DE102004062363B4 (en) * | 2004-12-13 | 2010-06-10 | Kärcher Futuretech GmbH | Apparatus for generating superheated steam and hot water for cleaning or decontamination purposes |
-
1937
- 1937-03-24 DE DEJ57559D patent/DE714895C/en not_active Expired
- 1937-10-02 CH CH200786D patent/CH200786A/en unknown
- 1937-10-21 DE DES129208D patent/DE720970C/en not_active Expired
- 1937-11-27 CH CH204601D patent/CH204601A/en unknown
- 1937-12-17 DE DES130030D patent/DE722161C/en not_active Expired
-
1938
- 1938-01-24 AT AT157503D patent/AT157503B/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE895770C (en) * | 1950-02-19 | 1953-11-05 | Otto Dipl-Ing Engler | Arrangement to limit the drop in hot steam temperature in once-through boilers |
Also Published As
| Publication number | Publication date |
|---|---|
| CH204601A (en) | 1939-05-15 |
| DE722161C (en) | 1942-07-03 |
| AT157503B (en) | 1939-12-11 |
| DE720970C (en) | 1942-05-20 |
| DE714895C (en) | 1941-12-09 |
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