RU2013136231A

RU2013136231A - STREAM OF A FLOWING PART OF A STEAM TURBINE FOR MIXING STEAM FLOWS

Info

Publication number: RU2013136231A
Application number: RU2013136231/06A
Authority: RU
Inventors: Александр Евгеньевич Валамин; Алексей Юрьевич Култышев; Юрий Абрамович Сахнин; Михаил Юрьевич Степанов
Original assignee: Закрытое акционерное общество "Уральский турбинный завод"
Priority date: 2013-08-01
Filing date: 2013-08-01
Publication date: 2015-02-10

Abstract

1. Отсек проточной части паровой турбины для смешения потоков пара, один из которых поступил к началу проточной части через паровпуск турбины, а второй поступил от внешнего источника в середину проточной части через кольцевую паровпускную камеру, образованную стенкой цилиндра турбины и двумя последовательно расположенными обоймами с размещенными в них ступенями давления с конструктивно выбранным интервалом между обоймами, в котором размещена камера смешения, концентричная ступеням давления, отличающийся тем, что камера образована наружной и внутренней концентричными оболочками, выполненными из колец, между которыми радиально установлены пустотелые профильные элементы, имеющие паровпускное отверстие только со стороны наружной оболочки и паровпускные отверстия на боковых поверхностях.2. Отсек проточной части паровой турбины по п.1, отличающийся тем, что часть отверстий, выполненных на боковых поверхностях пустотелых профильных элементов камеры смешения, расположены на образующей профиля в его средней части, направлены на вход ступени давления, расположенной во второй по ходу пара обойме, параллельно общей оси вращения ступени давления.1. The compartment of the flowing part of the steam turbine for mixing steam flows, one of which came to the beginning of the flowing part through the steam inlet of the turbine, and the second came from an external source in the middle of the flowing part through an annular steam inlet chamber formed by the wall of the cylinder of the turbine and two sequentially arranged cages with in them pressure steps with a structurally selected interval between the clips, in which the mixing chamber is located concentric to the pressure steps, characterized in that the chamber is formed by with inner and concentric shells made of rings, between which hollow profile elements are radially mounted, having a steam inlet only on the side of the outer shell and steam inlets on the side surfaces. 2. The compartment of the flowing part of a steam turbine according to claim 1, characterized in that part of the holes made on the side surfaces of the hollow profile elements of the mixing chamber are located on the generatrix of the profile in its middle part, directed to the entrance of the pressure stage located in the second cage along the steam, parallel to the common axis of rotation of the pressure stage.

Claims

1. The compartment of the flowing part of the steam turbine for mixing steam flows, one of which came to the beginning of the flowing part through the steam inlet of the turbine, and the second came from an external source in the middle of the flowing part through an annular steam inlet chamber formed by the wall of the cylinder of the turbine and two sequentially arranged cages with in them pressure steps with a structurally selected interval between the clips, in which the mixing chamber is located concentric to the pressure steps, characterized in that the chamber is formed by with inner and concentric shells made of rings, between which hollow profile elements are radially mounted, having a steam inlet only on the side of the outer shell and steam inlets on the side surfaces.

2. The compartment of the flowing part of the steam turbine according to claim 1, characterized in that part of the holes made on the side surfaces of the hollow profile elements of the mixing chamber are located on the generatrix of the profile in its middle part, directed to the inlet of the pressure stage located in the second along the steam holder, parallel to the common axis of rotation of the pressure stage.