EP0327488B1 - Kondensator - Google Patents

Kondensator Download PDF

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Publication number
EP0327488B1
EP0327488B1 EP89730011A EP89730011A EP0327488B1 EP 0327488 B1 EP0327488 B1 EP 0327488B1 EP 89730011 A EP89730011 A EP 89730011A EP 89730011 A EP89730011 A EP 89730011A EP 0327488 B1 EP0327488 B1 EP 0327488B1
Authority
EP
European Patent Office
Prior art keywords
housing
condenser
condensate
steam
shell
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 - Lifetime
Application number
EP89730011A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0327488A1 (de
Inventor
Helmuth Sauerbrey
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.)
Vodafone GmbH
Original Assignee
Mannesmann 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 Mannesmann AG filed Critical Mannesmann AG
Priority to AT89730011T priority Critical patent/ATE59225T1/de
Publication of EP0327488A1 publication Critical patent/EP0327488A1/de
Application granted granted Critical
Publication of EP0327488B1 publication Critical patent/EP0327488B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, 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
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium

Definitions

  • the invention relates to a capacitor with the features of the preamble of patent claim 1.
  • the task of such devices is to bring a vaporous medium, in particular water vapor, into indirect contact with a cooling medium and thereby cool it down to such an extent that it is separated off in liquid form and can be discharged.
  • the vaporous medium is under a certain pressure, which is significantly above the bypass pressure.
  • thermal processes e.g. in power plants, district heating plants
  • the amount of evaporation formed is usually discharged into the atmosphere by means of a vertically upward evaporation line.
  • the object of the invention is therefore to develop a condenser of the generic type in such a way that it can be used in vertically guided steam lines, in which steam is expanded to virtually atmospheric pressure, and also ensures safe discharge of the steam from the flash tank in the event of coolant supply disruptions.
  • the device should be characterized by a simple and as compact as possible design, so that it can also be retrofitted in existing systems without difficulty.
  • the capacitor shown has a sheet metal housing, preferably with a circular cross section.
  • the cross-sectional shape can, however, also easily be different, e.g. square, be designed.
  • the housing consists of a cylindrical tubular housing jacket 1, which is closed at the top by a housing cover 2 and at the bottom by a housing base 3.
  • a pipe socket is guided through the housing base 3 to the outside.
  • the steam inlet 4 is continued as a sieve tube 5, the arrangement of the pipe socket and the sieve tube 5 being approximately coaxial with the vertical longitudinal axis of the housing shell 1.
  • the sieve tube 5 ends at a distance in front of the housing cover 2 and is closed at the top with a cover 20.
  • an inner jacket 6 is arranged at a distance from the housing jacket 1, which is preferably aligned coaxially to the housing jacket 1.
  • An annular gap 8 is thus formed between the housing jacket 1 and the inner jacket 6 and a likewise annular space is formed between the inner jacket 6 and the sieve tube 5, through which the heat exchanger tubes 11 are guided for the passage of a cooling medium and which represents the actual condensation chamber.
  • the inner jacket 6 is sealed at the top by an inner cover 7, but is open at the bottom.
  • the annular gap 8 has an upward connection to a steam collecting space 9, which is formed by the housing cover 2 and the inner cover 7.
  • This steam collecting space 9 has a steam emergency outlet 10 designed as a pipe socket, the function of which will be explained further below.
  • the condenser has a standing design with heat exchanger tubes 11 for the cooling medium which run essentially vertically and which advantageously run in a loop shape.
  • the coolant inlet 12 and the coolant outlet 13 are each guided from the outside through the housing jacket 1; both end in accordance with the cylindrical housing shape in ring manifolds 14 and 15, to which the loop-shaped heat exchanger tubes 11 are connected.
  • One of the connections for the cooling medium or both could of course also be led through the housing base 3 or the housing cover 2.
  • the heat exchanger tubes 11 could also run, for example, transversely or spirally through the condensation space without returning to the housing side of the coolant inlet. It is only essential that a condensation space sealed upwards and downwards is created.
  • the jacket 6 in operation falls below that in the Ab Education as a dashed horizontal line of filling level of the condensate collecting space 21 located in the lower part of the housing is sufficient, so the inner jacket 6 is immersed in the condensate.
  • the pipe socket of the steam inlet '4 must protrude above this fill line so that the condensate collected cannot escape through the steam inlet.
  • the level is determined by the design of the condensate drain as a siphon, more precisely by the overflow height in this siphon.
  • the siphon can be designed, for example, in the form of an inverted U-tube bend or also in the form shown in the figure:
  • a tube bend 16 guides the condensate through the housing base 3 into a vertically standing jacket tube 17, the upper and lower end faces of which are closed with bottoms .
  • An overflow standpipe 18 leads through the lower bottom of the casing tube 17 for the discharge of the condensate to the outside.
  • this overflow standpipe 18 determines the height at which the condensate drains from the jacket pipe into the overflow standpipe 18, that is to say ultimately the fill level in the condenser. So that neither underpressure nor overpressure can arise in the jacket tube 17 above the condensate level, the jacket tube 17 is expediently connected through its upper cover via the pipeline 19 to the annular gap 8, which always has ambient pressure.
  • the heat exchanger tubes 11 should expediently protrude into the condensate collecting space in order to achieve subcooling of the condensate formed.
  • the operation of the condenser according to the invention is as follows: through the steam inlet 4, water vapor which has been released almost to ambient pressure is introduced upward into the condenser at a temperature of, for example, 105 ° C.
  • the steam flows in a radial direction through the sieve tube 5 into the condensation space and, with respect to the axes of the heat exchanger tubes 11, strikes these tubes approximately perpendicularly.
  • the heat exchanger tubes 11 are flowed through by a coolant, for example, water at 60 ° C. from the return of a building heating system or a district heating system. With the heat being given off to the coolant, the steam condenses on the surface of the heat exchanger tubes 11 and runs off into the condensate collecting space 21.
  • the fill level of the condensate in the condensate collection chamber 21 is always kept at the same level. Since the heat exchanger tubes 11 dip into the condensate, the condensate is cooled significantly below the boiling point. The waste heat absorbed by the coolant from the exhaust steam is available for other use (e.g. building heating) and is not lost.
  • the condenser according to the invention ensures a safe discharge of the exhaust steam, so that there can be no disruptive effects on the thermal process. Since insufficient steam is condensed when there is a lack of coolant, the steam pressure in the condensation chamber increases slightly. As a result, the condensate level in the area between the jacket 6 and the pipe socket of the steam inlet 4 is pressed down until the fill level has reached the lower edge of the inner jacket 6. The amount of condensate displaced flows through the overflow standpipe 18.
  • the pressure rise in the condensation chamber can be set to any desired value compared to normal operation, so that the pressure rise has no repercussions on the thermal process.
  • the construction according to the invention ensures the complete recovery of the steam vapor using the simplest means in the trouble-free operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Valve Device For Special Equipments (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
EP89730011A 1988-02-01 1989-01-19 Kondensator Expired - Lifetime EP0327488B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89730011T ATE59225T1 (de) 1988-02-01 1989-01-19 Kondensator.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3803197A DE3803197C1 (no) 1988-02-01 1988-02-01
DE3803197 1988-02-01

Publications (2)

Publication Number Publication Date
EP0327488A1 EP0327488A1 (de) 1989-08-09
EP0327488B1 true EP0327488B1 (de) 1990-12-19

Family

ID=6346540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89730011A Expired - Lifetime EP0327488B1 (de) 1988-02-01 1989-01-19 Kondensator

Country Status (5)

Country Link
EP (1) EP0327488B1 (no)
AT (1) ATE59225T1 (no)
DD (1) DD283456A5 (no)
DE (2) DE3803197C1 (no)
NO (1) NO171873C (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001017641A1 (en) * 1999-09-06 2001-03-15 Ineos Fluor Holdings Limited Apparatus and method for condensing solvent

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT392838B (de) * 1989-07-28 1991-06-25 Waagner Biro Ag Kondensator, insbesondere bruedenkondensator
DE4032120C2 (de) * 1990-10-10 2000-05-11 Georg Beckmann Kondensator, insbesondere Brüdenkondensator
DE19653613A1 (de) * 1996-12-20 1998-06-25 Epc Engineering Und Projektman Verfahren und Vorrichtung zum Entfernen kondensierbarer, solidisierbarer Bestandteile warmer Abgasströme
DE202009016880U1 (de) * 2009-12-15 2010-03-11 Brugg Rohr Ag Holding Wärmetauscher
CN102767970A (zh) * 2012-08-09 2012-11-07 山东盛华电子新材料有限公司 一种高真空蒸馏系统中的冷却装置
CN108917235A (zh) * 2018-07-23 2018-11-30 麦克维尔空调制冷(武汉)有限公司 一种立式冷凝器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1727403A (en) * 1927-05-07 1929-09-10 Petroleum Derivatives Inc Condenser
GB634917A (en) * 1946-02-27 1950-03-29 Ward Blenkinsop & Co Ltd Improvements in or relating to fluid condenser assemblies
US2661190A (en) * 1953-01-29 1953-12-01 Stone & Webster Eng Corp Condenser with subcooler and venting means
CH389659A (de) * 1962-01-10 1965-03-31 Escher Wyss Ag Durch kondensierenden Dampf beheizter Wärmeaustauscher
DE1501344A1 (de) * 1965-10-29 1969-07-03 App Und Maschb Ebner & Co Kg Oberflaechenkondensator und Verfahren der Kuehlung in solchen
US3885621A (en) * 1974-03-29 1975-05-27 Westinghouse Electric Corp Vent condenser for a feedwater heater
DE3148132C2 (de) * 1981-12-04 1984-02-02 Kraftwerk Union AG, 4330 Mülheim Wärmetauscher, insbesondere stehender Speisewasservorwärmer mit Dampfnässeabscheider

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001017641A1 (en) * 1999-09-06 2001-03-15 Ineos Fluor Holdings Limited Apparatus and method for condensing solvent

Also Published As

Publication number Publication date
NO890393D0 (no) 1989-01-31
NO171873C (no) 1993-05-12
NO171873B (no) 1993-02-01
DD283456A5 (de) 1990-10-10
NO890393L (no) 1989-08-02
ATE59225T1 (de) 1991-01-15
DE3803197C1 (no) 1989-07-27
EP0327488A1 (de) 1989-08-09
DE58900034D1 (de) 1991-01-31

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