GB856346A - Steam turbine installation - Google Patents
Steam turbine installationInfo
- Publication number
- GB856346A GB856346A GB19152/57A GB1915257A GB856346A GB 856346 A GB856346 A GB 856346A GB 19152/57 A GB19152/57 A GB 19152/57A GB 1915257 A GB1915257 A GB 1915257A GB 856346 A GB856346 A GB 856346A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heater
- divided
- steam
- fraction
- water
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
- F01K7/40—Use of two or more feed-water heaters in series
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
856,346. Heating feedwater. SOC. DES FORGES ET ATELIERS DU CREUSOT, and RICARD, P. J. June 18, 1957 [June 30, 1956], No. 19152/57. Class 64(1) Water from the condenser 4 of a steam turbine 1, 3 having a re-superheater 2, is heated in feedwater heaters 5, 6, 7 by steam 8, 9, 10 bled from the turbine and a fraction of the water is divided from the main flow in at least one heater, e.g. heater 5, to pass through a take-off 11 after being heated in a de-superheating portion 5b by the bled steam which then passes as saturated steam to a portion 5a in which the main water flow is heated. The divided fraction is reintroduced to the main water flow at that heater outlet which is at a temperature lower than that of the fraction and which is furthest downstream of the main flow. As shown, the reintroduction is at 12 downstream of the whole heating set but, if the temperature at this point is too high the reintroduction may be at 13 by the outlet of the heater 6. Fractions of the water may similarly be divided from the main flow in the heaters 6 and 7. There are condensed steam outlets 8a, 9a and 10a from the heaters. The divided fraction of water may be sub-divided in the de-superheating portion, Fig. 3 (not shown), one sub-fraction being further heated in the heater or even further divided. The extra streams being returned to the main flow further downstream. If the divided fraction is so hot as to be partly vaporized it is conveyed to the steam generator or to the saturated steam of the first feedwater heater in which the steam is hotter than the divided fraction. Steam enters a feedwater heater, Fig. 5, at 23 and condensate leaves at 24. The water enters a box header at 25 and after passing through the saturated steam portion 21 of the heater, a fraction divides and passes to the de-superheating portion 22 before passing to an outlet 27 adjacent the main outlet 26. In another form, Fig. 6 (not shown), there is one inlet header but separate outlet headers for the main and divided fractions of the water. If the feedwater heater is of the direct contact type, the divided fraction is heated in a separate heat exchanger to which the bled steam is fed before passing to the main heater, Fig. 7 (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR856346X | 1956-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB856346A true GB856346A (en) | 1960-12-14 |
Family
ID=9328833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19152/57A Expired GB856346A (en) | 1956-06-30 | 1957-06-18 | Steam turbine installation |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB856346A (en) |
-
1957
- 1957-06-18 GB GB19152/57A patent/GB856346A/en not_active Expired
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