SU435362A1 - METHOD OF INTERMEDIATE OVERHEATING OF A STEAM STEAM TURBINE INSTALLATION - Google Patents
METHOD OF INTERMEDIATE OVERHEATING OF A STEAM STEAM TURBINE INSTALLATIONInfo
- Publication number
- SU435362A1 SU435362A1 SU1864836A SU1864836A SU435362A1 SU 435362 A1 SU435362 A1 SU 435362A1 SU 1864836 A SU1864836 A SU 1864836A SU 1864836 A SU1864836 A SU 1864836A SU 435362 A1 SU435362 A1 SU 435362A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- steam
- turbine installation
- particles
- intermediate overheating
- steam turbine
- Prior art date
Links
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Description
1one
Изобретение относитс к теплоэнергетике и может быть использовано в стационарных и транспортных паротурбинных установках.The invention relates to a power system and can be used in stationary and transport steam turbine installations.
Известны способы промежуточного перегрева частично отработавшего пара теплом уход щих газов в перегревателе парогенератора , после чего пар поступает в последующие ступени турбины.Methods of intermediate overheating of partially spent steam with flue gas heat in a supergenerator of a steam generator are known, after which the steam enters subsequent turbine stages.
Известный способ перегрева требует значительных поверхностей теплообмена и сложной , громоздкой системы трубопроводов.The known method of overheating requires significant heat exchange surfaces and a complex, cumbersome piping system.
Дл повышени экономичности и мощности установки путем устранени влажности на последних ступен х турбины предложено в поток пара на промежуточной стадии процесса расширени вводить инертные тонкодиспергированные гидрофобные твердые частицы , которые предварительно нагревают теплом уход щих газов, а затем - теплом продуктов сгорани топлива отдельно от основного потока рабочего тела (пара). При этом утилизируетс низкопотенциальное тепло уход щих газов дл подсушки и предварительного нагрева частиц. До более высокой температуры (соответствующей температуре ступени турбины, перед которой осуществл етс ввод частиц) частицы нагревают путемIn order to increase the efficiency and power of the plant by eliminating moisture at the last turbine stages, it was proposed to introduce inert finely dispersed hydrophobic solids into the steam flow at the intermediate stage of the expansion process and then heat the combustion products separately from the main working stream. body (pair). At the same time, low-grade heat of flue gases is utilized to dry and preheat the particles. To a higher temperature (corresponding to the temperature of the turbine stage, before which the particles are introduced) the particles are heated by
контактного теплообмена с продуктами сгорани топлива. Раздельный нагрев частиц и пара сокращает число трактов установки, по которым циркулирует рабочее тело (суспензи -contact heat exchange with fuel combustion products. Separate heating of particles and steam reduces the number of installation paths through which the working fluid circulates (suspension -
пар-твердые частицы), что снижает опасность возникновени коагул ции и заноса поверхностей , нагрева парогенератора.vapor-solid particles), which reduces the risk of coagulation and drifting surfaces, heating of the steam generator.
Дл ввода частиц выбирают такую ступень турбины, параметры пара перед которой позвол ют создать гетерогенный поток с объемной концентрацией частиц, обеспечивающей окончание процесса расширени в области сухого , либо перегретого пара. В качестве вещества твердых частиц может быть использован графит, тальк, окись алюмини и другие.To enter the particles, a turbine stage is chosen, the steam parameters in front of which allow the creation of a heterogeneous flow with a volumetric concentration of particles that ensures the end of the expansion process in the region of dry or superheated steam. As the substance of solid particles, graphite, talc, alumina and others can be used.
Предмет изобретени Subject invention
Способ промежуточного перегрева пара паротурбинной установки, отличающийс тем, что, с целью повышени экономичности и мощности установки, в поток пара на промежуточной стадии процесса расширени ввод т твердые тонкодиспергированные частицы, которые предварительно нагревают сначала теплом уход щих газов парогенератора, а затем - теплом продуктов сгорани топлива.The method of intermediate superheating of steam of a steam turbine plant, characterized in that, in order to increase the efficiency and capacity of the plant, solid finely dispersed particles are introduced into the steam flow at the intermediate stage of the expansion process, which are preheated first by the heat of the exhaust gases of the steam generator and then by the heat of combustion products fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1864836A SU435362A1 (en) | 1972-12-27 | 1972-12-27 | METHOD OF INTERMEDIATE OVERHEATING OF A STEAM STEAM TURBINE INSTALLATION |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1864836A SU435362A1 (en) | 1972-12-27 | 1972-12-27 | METHOD OF INTERMEDIATE OVERHEATING OF A STEAM STEAM TURBINE INSTALLATION |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU435362A1 true SU435362A1 (en) | 1974-07-05 |
Family
ID=20537281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1864836A SU435362A1 (en) | 1972-12-27 | 1972-12-27 | METHOD OF INTERMEDIATE OVERHEATING OF A STEAM STEAM TURBINE INSTALLATION |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU435362A1 (en) |
-
1972
- 1972-12-27 SU SU1864836A patent/SU435362A1/en active
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