DE1576861A1 - Forced once-through steam generator - Google Patents

Forced once-through steam generator

Info

Publication number
DE1576861A1
DE1576861A1 DE19671576861 DE1576861A DE1576861A1 DE 1576861 A1 DE1576861 A1 DE 1576861A1 DE 19671576861 DE19671576861 DE 19671576861 DE 1576861 A DE1576861 A DE 1576861A DE 1576861 A1 DE1576861 A1 DE 1576861A1
Authority
DE
Germany
Prior art keywords
steam generator
heating section
generator according
circulation
forced
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.)
Pending
Application number
DE19671576861
Other languages
German (de)
Inventor
Schroedter Willburt Werner
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.)
Combustion Engineering Inc
Original Assignee
Combustion Engineering Inc
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 Combustion Engineering Inc filed Critical Combustion Engineering Inc
Publication of DE1576861A1 publication Critical patent/DE1576861A1/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/34—Adaptations of boilers for promoting water circulation
    • 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
    • F22B29/02—Steam boilers of forced-flow type of forced-circulation type
    • F22B29/023—Steam boilers of forced-flow type of forced-circulation type without drums, i.e. without hot water storage in the boiler

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (6)

PatentansprücheClaims 1. Zwangdurchlaufdampferzeuger für den Betrieb bei variabler Last mit einer Brennkammer, die einen ersten Heizabschnitt in einer Hochtemperaturzone und einen zweiten Heizabschnitt in einer Niedertemperaturzone besitzt, mit einem Durchlaufkreis, in den ein erster Teil des Arbeitsmediums in Serie durch den ersten und zweiten Heizabschnitt strömt, mit einem Umwälzkreis durch den ein zweiter Teil des Mediums in Serie durch den ersten und den zweiten wieder zum Eingang des ersten Heizabsehnitts umgewälzt wird, gekennzeichnet durch wenigstens einen zweiten Umwälzkreis (16, 20, 64, 70) mit dem ein dritter Teil des Arbeitsmediums durch den ersten Heizabschnitt (L) und wieder zu seinem Eingang umgewälzt wird.1. Forced once-through steam generator for operation with variable Load with a combustion chamber having a first heating section in a high temperature zone and a second heating section in a low temperature zone owns, with a loop in which a first Part of the working medium flows in series through the first and second heating sections, with a circulation circuit through the a second part of the medium in series through the first and the second back to the entrance of the first heating section is circulated, marked by at least one second circulation circuit (16, 20, 64, 70) with a third part of the working medium through the first heating section (L) and back to its inlet is circulated. 2. ZwangÄdurchlaufdampferzeuger nach Anspruch 1, gekennzeichnet durch strömungsbegrenzende Torrichtungen (9O5 92) zur Herstellung eines bestimmten Verhältnisses zwischen der Strömung, die aus dem ersten (L) und aus dem zweiten Heizabschnitt (U) stammt,2. Forced once-through steam generator according to claim 1, characterized by flow-limiting gate directions (9O 5 92) for establishing a certain ratio between the flow that originates from the first (L) and from the second heating section (U), 3. Zwangatdurchlauf dampf erzeuger nach Anspruch 2, dadurch gekennzeichnet, dass die Begrenzungsvorriehtungen Ventile (90, 92) sind.3. forced flow steam generator according to claim 2, characterized in that that the limiting devices have valves (90, 92) are. YD.·' '.Χ:: ■■■ ■'-' · I·"" '■· 'r'e YD. · '' .Χ :: ■■■ ■ '-' · I · ""'■·' r ' e 009840/0194009840/0194 4. Zwangsdurchlaufdampferzeuger nach Anspruch 1, 2, oder 3, dadurch gekennzeichnet, dass die Umwälzkreise (59, 60, 63, 70 und 16, 20,64, 70) Umwälzpumpen (68) Enthalten, die mit im wesentlichen konstanter Geschwindigkeit arbeiten und eine solche Charakteristik aufweisen, dass die gepumpte Menge sich umgekehrt wie der Druck vor der Pumpe ändert, so dass zusätzlich zum Durchlauf eine positive Umwälzung durch die Heizabschnitte (L,U) und die Umwälzkreise hergestellt wird.4. Forced once-through steam generator according to claim 1, 2, or 3, characterized in that the circulation circuits (59, 60, 63, 70 and 16, 20, 64, 70) Circulating pumps (68) included that operate at substantially constant speed operate and have such a characteristic that the pumped quantity is the reverse of the pressure changes in front of the pump, so that in addition to the flow, a positive circulation through the heating sections (L, U) and the circulation system is established. 5. Zwangsdurchlaufdampferzeuger nach Ans pruch 1, 2 oder 3, dadurch gekennzeidnet, dass mit variabler Geschwindigkeit arbeitende Umwälzpumpen (68) vorgesehen sind.5. Forced once-through steam generator according to claims 1, 2 or 3, characterized in that variable speed circulating pumps (68) are provided. 6. Zwangdurchlaufdampferzeuger nach Anspruch 4 oder 5, bei dem die Rohre des ersten Heizabschnitts in einer Auslass-Sammelleitung münden und die des zweiten Heizabschnitts einer Einlass-Sammelleitung entspringen, gekennzeichnet durch dem ersten und zweiten Umwälzkreis gemeinsame Umwälzpumpen, durch Verbindungsieitungen (20), zwischen der Auslass-Sammelleitung (16) und der Einlass-Sammelleitung (18) und durch Leitungen (20, 22, 59, 63 und entsprechend 64), welche die Auslass- und Einlaß-Sammelleitungen mit den Saugseiten der gemeinsamen Pumpen (68) verbinden.6. Forced once-through steam generator according to claim 4 or 5, in which the tubes of the first heating section open into an outlet manifold and those of the second heating section arise from an inlet manifold, characterized by the first and second circulation circuit common circulation pumps, through connecting lines (20), between the outlet manifold (16) and the Inlet manifold (18) and through lines (20, 22, 59, 63 and 64 respectively), which the outlet and Connect inlet manifolds to the suction sides of the common pumps (68). Vom r;From the r; s*-..ts · ■s * - .. ts · ■ • ■■ !----Ie• ■■! ---- Ie G-■■■-'-'-'. "'G- ■■■ -'-'- '. "' . π. π Uli'.·-"Uli '. · - " ..an..at
009840/0194009840/0194 BAD ORIGINALBATH ORIGINAL Lee rs eLee rs e i tei te
DE19671576861 1966-11-30 1967-11-18 Forced once-through steam generator Pending DE1576861A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59791866A 1966-11-30 1966-11-30

Publications (1)

Publication Number Publication Date
DE1576861A1 true DE1576861A1 (en) 1970-10-01

Family

ID=24393459

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671576861 Pending DE1576861A1 (en) 1966-11-30 1967-11-18 Forced once-through steam generator

Country Status (8)

Country Link
US (1) US3434460A (en)
BE (1) BE706257A (en)
CH (1) CH488967A (en)
DE (1) DE1576861A1 (en)
ES (1) ES347110A1 (en)
FR (1) FR1550410A (en)
GB (1) GB1171811A (en)
SE (1) SE326455B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771498A (en) * 1972-01-03 1973-11-13 Foster Wheeler Corp Furnace circuit for variable pressure once-through generator
DE3863153D1 (en) * 1987-09-21 1991-07-11 Siemens Ag METHOD FOR OPERATING A CONTINUOUS STEAM GENERATOR.
WO2004023037A1 (en) * 2002-09-09 2004-03-18 Babcock-Hitachi Kabushiki Kaisha Furnace wall structure
DE102013215457A1 (en) * 2013-08-06 2015-02-12 Siemens Aktiengesellschaft Continuous steam generator in two-pass boiler design

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE564616A (en) * 1957-02-07
BE620764A (en) * 1961-07-27
GB1052385A (en) * 1962-11-20
US3162179A (en) * 1962-12-05 1964-12-22 Gilbert Associates Fluid circulation system for a oncethrough type steam generator
US3297004A (en) * 1965-08-26 1967-01-10 Riley Stoker Corp Supercritical pressure recirculating boiler
US3369526A (en) * 1966-02-14 1968-02-20 Riley Stoker Corp Supercritical pressure boiler

Also Published As

Publication number Publication date
FR1550410A (en) 1968-12-20
SE326455B (en) 1970-07-27
US3434460A (en) 1969-03-25
BE706257A (en) 1968-05-08
GB1171811A (en) 1969-11-26
CH488967A (en) 1970-04-15
ES347110A1 (en) 1969-03-16

Similar Documents

Publication Publication Date Title
DE1576861A1 (en) Forced once-through steam generator
DE2410391C3 (en) Device for cold and heat recovery from the exhaust air of ventilation and air conditioning systems
DE1167505B (en) Hot water boiler with a device to avoid temperature stratification and increase the water circulation
DE326866C (en) Air suction device for centrifugal pumps
DE1519664C3 (en) Process for obtaining fresh water from sea water by means of multi-stage flash evaporation and mixed condensation and device for carrying out the process
DE434267C (en) Boiler system with heat storage
DE702811C (en) Forced current steam generator with radiation and contact heating surface
DE289310C (en)
DE422669C (en) Inclined tube boiler with two transverse upper boilers
DE19514167C2 (en) Water / brine-air heat exchanger
DE961385C (en) Sectional radiator for hot water collective heating systems
DE738487C (en) Hot water pump heating system
DE381850C (en) Device to achieve the same delivery performance despite changing resistance in rotary lobe pumps
DE482439C (en) Feed water preheater for steam boilers of locomotives
DE325160C (en) Steam jet air pump for condensers
DE470839C (en) Centrifugal pump for feeding boilers, with the introduction of steam into the stages for preheating the feed water
DE340910C (en) Steam circulation heating for railroad cars
DE917671C (en) Cooler for gas-steam mixtures
DE820442C (en) Mixing preheater system consisting of high pressure and low pressure preheaters, especially for steam locomotives
DE647921C (en) Heat exchanger
DE150394C (en)
DE706790C (en) Evaporator with external plate heater
DE422861C (en) Device for evaporation, concentration, distillation
DE593148C (en) Hot water heating system
DE640751C (en) Hot water supply system with indirect heating of the service water