EP0673489A1 - Wasserabscheider. - Google Patents
Wasserabscheider.Info
- Publication number
- EP0673489A1 EP0673489A1 EP94900740A EP94900740A EP0673489A1 EP 0673489 A1 EP0673489 A1 EP 0673489A1 EP 94900740 A EP94900740 A EP 94900740A EP 94900740 A EP94900740 A EP 94900740A EP 0673489 A1 EP0673489 A1 EP 0673489A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inlet pipes
- water
- water separator
- container
- steam
- 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.)
- Granted
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
- F22B37/26—Steam-separating arrangements
- F22B37/28—Steam-separating arrangements involving reversal of direction of flow
Definitions
- the invention relates to a water separator for separating water from a water-steam mixture.
- a water-steam separating device In the evaporation system of a once-through steam generator, a water-steam separating device is usually used in the flow direction of a water-steam circuit behind the evaporator heating surfaces, which, in particular during start-up operation, converts the water-steam mixture arriving there into a water stream and split a steam flow.
- the invention has for its object to design a water separator such that water can be separated from it in a water-steam mixture, which is free of steam, and that the remaining wet steam undisturbed, for. B. can flow into subsequent heating surfaces.
- a water separator with a number of inlet pipes distributed around the circumference of a container and arranged obliquely at an angle of inclination, and with an outlet opening for water provided below the mouths of the inlet pipes and with one above the mouths of the Inlet pipes provided outflow opening for wet steam.
- the angle of inclination between the central axis of each inlet pipe and the vertical axis of the container is between 15 ° and 60 °, preferably 45 ° to 55 °. Due to the inclined arrangement of the inlet pipes, a water-steam mixture stream entering the water separator is initially directed downward.
- the water is preferably collected in the lower part of the separating container, while the steam together with the water not discharged downward flows upwards after deflection in the axial direction and is discharged there via the outflow opening.
- the number of inlet pipes can vary depending on the size of the separator, the inlet pipes being expediently arranged symmetrically in each case.
- the central axes of the inlet pipes advantageously intersect at a point lying on the vertical axis of the container. It is thereby achieved that the water is led into the lower part of the separating tank due to the impact of the mixture flows.
- a number of outlet pipes corresponding to the number of inlet pipes is provided as the outflow opening, which are distributed around the circumference in a manner offset from the inlet pipes and arranged radially.
- internals are provided inside the tank for guiding the mixture flow downwards and deflecting the wet steam upwards .
- the internals are designed in such a way that surface parts lying above the mouths of the inlet pipes and the center are covered in segments, so that the water-steam mixture flow is forced to be deflected.
- the internals can have a ' above and / or extend the area lying below the mouths of the inlet pipes.
- the internals advantageously comprise cover plates running at least approximately at right angles to the axis of the container and guide walls arranged parallel to the axis of the container. Due to a forced downward flow caused by this and a deflection of the mixture flow by 180 °, the water preferably reaches the lower part of the separating tank.
- FIG. 1 shows a longitudinal section I-I according to Figure 2 and
- FIG. 2 shows a cross section II-II according to FIG. 1 of a water separator with inclined inlet pipes and radial outlet pipes and with internals for flow guidance
- FIGS. 3 and 4 show a further embodiment of a water separator in longitudinal section according to III-III or in Cross section according to IV-IV.
- the water separator 1 according to FIG. 1 comprises a closed container 2 with inlet pipes 4 arranged obliquely and radial outlet pipes 6 arranged and a coaxial water outlet 8.
- a central exhaust pipe can also be provided instead of the outlet pipes 6.
- the angle of inclination a between the vertical axis A of the container 2 and the central axis M of each inlet pipe 4 is between 15 ° and 60 °, eg. B. 45 ° according to this embodiment.
- the extensions of the central axes M of the Step tubes 4 intersect at a point P, which lies on the vertical axis A of the container 2.
- FIG. 2 shows, four inlet pipes 4 and four outlet pipes 6 are evenly distributed around the circumference of the container 2 and arranged offset from one another. Both the inlet pipes 4 and the outlet pipes 6 face each other in pairs.
- a pipe 12 is installed in the central region of the container 2, which has a cover 14 which extends in a star or segment-like manner up to the container wall at the lower end and extends to the container lid 16 , so that built-in segments 18 are formed in front of the outlet pipes 6.
- a water-steam mixture flows into the container 2 in the direction of the arrows 20 via the inclined inlet pipes 4. After the mixture flows have collided in the area of point P, wet steam deflected upwards flows through the segments 18 and over the outlet pipes 6, while water falling down flows out via the water outlet 8.
- the internals again comprise a central tube 12 'and cover plates 14' running at right angles to the axis A of the container 2, which are connected to guide walls 22 running parallel to the axis A.
- the guide walls 22 form segment-like guide spaces and delimit entry areas 24a and exit areas 24b in the container interior.
- the water-steam mixture entering the container 2 via the inlet pipes 4 is first guided in the direction of arrow 25 into a settling chamber 26 and segregates into water and wet steam.
- the wet steam is deflected by 180 ° and in Direction of arrow 27 through an outflow chamber 28 located above the internals 12 ', 14', 22 and via the outlet pipes 6 in the direction of the arrows 30 to downstream heating surfaces (not shown).
- water separated from the water-steam mixture that is free of steam is discharged via the water outlet 8.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4242144 | 1992-12-14 | ||
DE4242144A DE4242144C2 (de) | 1992-12-14 | 1992-12-14 | Wasserabscheider |
PCT/DE1993/001141 WO1994014001A1 (de) | 1992-12-14 | 1993-12-01 | Wasserabscheider |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0673489A1 true EP0673489A1 (de) | 1995-09-27 |
EP0673489B1 EP0673489B1 (de) | 1996-05-29 |
Family
ID=6475226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94900740A Expired - Lifetime EP0673489B1 (de) | 1992-12-14 | 1993-12-01 | Wasserabscheider |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0673489B1 (de) |
CZ (1) | CZ282076B6 (de) |
DE (2) | DE4242144C2 (de) |
SK (1) | SK75395A3 (de) |
WO (1) | WO1994014001A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59701134D1 (de) * | 1996-03-15 | 2000-03-23 | Siemens Ag | Wasserabscheidesystem |
DE19837250C1 (de) * | 1998-08-17 | 2000-03-30 | Siemens Ag | Abscheider für eine Wasser-Dampf-Trenneinrichtung |
DE10326942A1 (de) * | 2003-06-05 | 2004-12-30 | Hansgrohe Ag | Vorrichtung zum Dampfaustritt von einer Dampferzeugung ins Innere einer Dampfkabine |
EP1701091A1 (de) * | 2005-02-16 | 2006-09-13 | Siemens Aktiengesellschaft | Durchlaufdampferzeuger |
EP1710498A1 (de) * | 2005-04-05 | 2006-10-11 | Siemens Aktiengesellschaft | Dampferzeuger |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB636604A (en) * | 1946-04-06 | 1950-05-03 | Karl Folke Nordlund | An improved steam generating installation comprising at least two separately-fired, e.g., waste heat, steam generators |
DE966865C (de) * | 1954-11-30 | 1957-09-12 | Ver Kesselwerke Ag | Abscheidevorrichtung zum Trennen von Wasser und Dampf in Wasserrohrkesseln |
US3516391A (en) * | 1968-06-20 | 1970-06-23 | Riley Stoker Corp | Steam generating unit |
DE3211784C1 (de) * | 1982-03-30 | 1983-11-03 | Kraftwerk Union AG, 4330 Mülheim | Einrichtung zum Entwaessern von Dampf in Dampfkraftwerken |
DE3211783C2 (de) * | 1982-03-30 | 1985-10-24 | Kraftwerk Union AG, 4330 Mülheim | Zyklonabscheider |
DE4140788A1 (de) * | 1991-12-11 | 1993-06-17 | Evt Energie & Verfahrenstech | Vorrichtung zur trennung des wasser-dampfgemisches aus den steigrohren eines umlauf-dampferzeugers |
-
1992
- 1992-12-14 DE DE4242144A patent/DE4242144C2/de not_active Expired - Fee Related
-
1993
- 1993-12-01 EP EP94900740A patent/EP0673489B1/de not_active Expired - Lifetime
- 1993-12-01 WO PCT/DE1993/001141 patent/WO1994014001A1/de active IP Right Grant
- 1993-12-01 DE DE59302766T patent/DE59302766D1/de not_active Expired - Lifetime
- 1993-12-01 CZ CZ951416A patent/CZ282076B6/cs not_active IP Right Cessation
- 1993-12-01 SK SK753-95A patent/SK75395A3/sk unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9414001A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE4242144A1 (de) | 1994-06-16 |
SK75395A3 (en) | 1995-11-08 |
CZ141695A3 (en) | 1995-10-18 |
EP0673489B1 (de) | 1996-05-29 |
DE4242144C2 (de) | 1995-12-14 |
DE59302766D1 (de) | 1996-07-04 |
WO1994014001A1 (de) | 1994-06-23 |
CZ282076B6 (cs) | 1997-05-14 |
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