GB839669A - Improvements in the generation of steam power - Google Patents
Improvements in the generation of steam powerInfo
- Publication number
- GB839669A GB839669A GB10924/58A GB1092458A GB839669A GB 839669 A GB839669 A GB 839669A GB 10924/58 A GB10924/58 A GB 10924/58A GB 1092458 A GB1092458 A GB 1092458A GB 839669 A GB839669 A GB 839669A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steam
- vessel
- turbine
- boiler
- superheater
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 229920006395 saturated elastomer Polymers 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
- F22G1/16—Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
-
- 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
- F22B29/067—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 at critical or supercritical pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus
- F22B31/04—Heat supply by installation of two or more combustion apparatus, e.g. of separate combustion apparatus for the boiler and the superheater respectively
-
- 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
- F22D1/325—Schematic arrangements or control devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
839,669. Power-generating systems. FOSTER WHEELER Ltd. April 3, 1958 [April 8, 1957], No. 10924/58. Class 122 (3). [Also in Group XIII] A steam power plant comprises a once through boiler 20 operating at supercritical pressure, an independently fired superheaterreheater chamber 39 and a three-stage turbine 43 driving an electric generator 44. There are two operating circuits. In the first water is drawn from a steam and water vessel 13 by a pump 15 and delivered to the tubing 19 of the boiler 20 at supercritical pressure. In the boiler it is heated to above critical temperature and leaves through a line 22 to a turbine 26 driving the pump 15 and a turbine 27 on the shaft of the main turbine 43. Superheated steam exhausts from the turbines 26, 27 into the vessel 13 wherein it heats feed water to generate saturated steam forming the working fluid of the second circuit. In the second circuit the steam from the vessel 13 passes through a superheater 37 in the chamber 39 to the high-pressure stage 42 of the turbine 43. The exhaust is reheated at 38 and flows through the subsequent turbine stages 46, 49 to a condenser 50. Condensate is withdrawn by a pump 52 and returned to the vessel 13 through a series of bled steam heaters 53 ... 55, 63 ... 65. During full load operation the burners 21, 40 of the boiler 20 and superheater-reheater chamber 39 respectively are fired so as to provide for equal absorption of heat by the elements 19 and 37, 38 and the whole of the steam exhausting from the turbines 26, 27 flows into the vessel 13. At less than full load a valve 33 in a by-pass 32 opens to allow some of the superheated steam to bypass the vessel 13 and flow directly to the superheater 37 in admixture with the saturated steam from the vessel 13. Under these conditions the heat required from the burners 40 is much reduced and their firing rate is decreased whilst that of the burners 21 is kept at a high level. Specifications 761,617 and 805,257 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US839669XA | 1957-04-08 | 1957-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB839669A true GB839669A (en) | 1960-06-29 |
Family
ID=22181809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10924/58A Expired GB839669A (en) | 1957-04-08 | 1958-04-03 | Improvements in the generation of steam power |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB839669A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1130314A2 (en) * | 2000-02-29 | 2001-09-05 | MAN Turbomaschinen GmbH, GHH BORSIG | High pressure steam generator |
| WO2023117132A1 (en) * | 2021-12-23 | 2023-06-29 | General Electric Technology Gmbh | System and method for warmkeeping sub-critical steam generator |
-
1958
- 1958-04-03 GB GB10924/58A patent/GB839669A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1130314A2 (en) * | 2000-02-29 | 2001-09-05 | MAN Turbomaschinen GmbH, GHH BORSIG | High pressure steam generator |
| EP1130314A3 (en) * | 2000-02-29 | 2002-12-11 | MAN Turbomaschinen AG | High pressure steam generator |
| WO2023117132A1 (en) * | 2021-12-23 | 2023-06-29 | General Electric Technology Gmbh | System and method for warmkeeping sub-critical steam generator |
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