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RU2012148378A - METHOD FOR REGULATING AIR CONSUMPTION IN A CENTRIFUGAL TURBO COMPRESSOR AND DIFFUSER FOR ITS IMPLEMENTATION - Google Patents

METHOD FOR REGULATING AIR CONSUMPTION IN A CENTRIFUGAL TURBO COMPRESSOR AND DIFFUSER FOR ITS IMPLEMENTATION Download PDF

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Publication number
RU2012148378A
RU2012148378A RU2012148378/06A RU2012148378A RU2012148378A RU 2012148378 A RU2012148378 A RU 2012148378A RU 2012148378/06 A RU2012148378/06 A RU 2012148378/06A RU 2012148378 A RU2012148378 A RU 2012148378A RU 2012148378 A RU2012148378 A RU 2012148378A
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Russia
Prior art keywords
blades
blade
installation angle
radial direction
variable installation
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RU2012148378/06A
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Russian (ru)
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RU2564158C2 (en
Inventor
Пьер БИСКЭ
Патрик МАРКОНИ
Юбер Ипполит ВИНЬО
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Турбомека
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

1. Способ регулирования расхода воздуха в центробежном компрессоре (10) турбомашины, заключающийся в обеспечении диффузии воздуха через первое лопаточное колесо (G1) c лопастями (24) с изменяемым углом установки, по краю которого в радиальном направлении расположено второе кольцевое лопаточное колесо (G2) с тем же количеством лопастей (28) с фиксированным углом установки эквивалентной протяженности, ориентирующие диффузию в радиальном направлении путем сочленения лопастей (24, 28) двух лопаточных колес, отличающийся тем, что каждую лопасть (24) первого лопаточного колеса (G1) приводят во вращение по оси (X'X) отстоящей от лопасти (24).2. Способ по п.1, в котором радиальная диффузия при изменяемом угле установки на центробежном компрессоре связана с распределением мощности при изменяемом угле установки, при этом распределение мощности является свободным, с выходным обменом, или связанным аксиально или центростремительно, с выходным обменом, или без него.3. Диффузор турбомашины с изменяемым углом установки для осуществления способа по п.1, содержащий первую кольцевую решетку (G1) лопастей (24) с изменяемым углом установки, по краю которой в радиальном направлении расположена вторая кольцевая решетка (G2) лопастей (28) с фиксированным углом установки эквивалентной протяженности и тем же количеством лопастей, образующие последовательные каналы диффузии путем сочленения лопастей (24, 28) двух решеток (G1, G2) в радиальном направлении, отличающийся тем, что каждая лопасть (24) первой решетки (G1) приводится в движение приводными средствами (30, 33, 34), предназначенными для выполнения собственно поворота лопасти (24), отстоящей от центра относительн1. A method of controlling the air flow in a centrifugal compressor (10) of a turbomachine, which consists in providing air diffusion through the first blade wheel (G1) with blades (24) with a variable installation angle, along the edge of which a second ring blade wheel (G2) is located in the radial direction with the same number of blades (28) with a fixed installation angle of equivalent length, orienting diffusion in the radial direction by articulating the blades (24, 28) of two blade wheels, characterized in that each blade (24) is per th paddle wheel (G1) caused to rotate along an axis (X'X) spaced from the blade (24) .2. The method according to claim 1, wherein the radial diffusion with a variable installation angle on a centrifugal compressor is associated with a power distribution with a variable installation angle, wherein the power distribution is free, with output exchange, or connected axially or centripetally, with or without output exchange .3. A diffuser of a turbomachine with a variable installation angle for implementing the method according to claim 1, comprising a first annular lattice (G1) of the blades (24) with a variable installation angle, along the edge of which in the radial direction is the second annular lattice (G2) of the blades (28) with a fixed angle installations of equivalent length and the same number of blades forming successive diffusion channels by articulating the blades (24, 28) of two gratings (G1, G2) in the radial direction, characterized in that each blade (24) of the first grating (G1) is brought into movement by driving means (30, 33, 34) designed to perform the actual rotation of the blade (24), which is relatively far from the center

Claims (10)

1. Способ регулирования расхода воздуха в центробежном компрессоре (10) турбомашины, заключающийся в обеспечении диффузии воздуха через первое лопаточное колесо (G1) c лопастями (24) с изменяемым углом установки, по краю которого в радиальном направлении расположено второе кольцевое лопаточное колесо (G2) с тем же количеством лопастей (28) с фиксированным углом установки эквивалентной протяженности, ориентирующие диффузию в радиальном направлении путем сочленения лопастей (24, 28) двух лопаточных колес, отличающийся тем, что каждую лопасть (24) первого лопаточного колеса (G1) приводят во вращение по оси (X'X) отстоящей от лопасти (24).1. A method of controlling the air flow in a centrifugal compressor (10) of a turbomachine, which consists in providing air diffusion through the first blade wheel (G1) with blades (24) with a variable installation angle, along the edge of which a second ring blade wheel (G2) is located in the radial direction with the same number of blades (28) with a fixed installation angle of equivalent length, orienting diffusion in the radial direction by articulating the blades (24, 28) of two blade wheels, characterized in that each blade (24) is per th paddle wheel (G1) caused to rotate along an axis (X'X) spaced from the blade (24). 2. Способ по п.1, в котором радиальная диффузия при изменяемом угле установки на центробежном компрессоре связана с распределением мощности при изменяемом угле установки, при этом распределение мощности является свободным, с выходным обменом, или связанным аксиально или центростремительно, с выходным обменом, или без него.2. The method according to claim 1, in which the radial diffusion at a variable installation angle on a centrifugal compressor is associated with a power distribution at a variable installation angle, wherein the power distribution is free, with an output exchange, or connected axially or centripetally, with an output exchange, or without him. 3. Диффузор турбомашины с изменяемым углом установки для осуществления способа по п.1, содержащий первую кольцевую решетку (G1) лопастей (24) с изменяемым углом установки, по краю которой в радиальном направлении расположена вторая кольцевая решетка (G2) лопастей (28) с фиксированным углом установки эквивалентной протяженности и тем же количеством лопастей, образующие последовательные каналы диффузии путем сочленения лопастей (24, 28) двух решеток (G1, G2) в радиальном направлении, отличающийся тем, что каждая лопасть (24) первой решетки (G1) приводится в движение приводными средствами (30, 33, 34), предназначенными для выполнения собственно поворота лопасти (24), отстоящей от центра относительно своей оси вращения (X'X).3. A diffuser of a turbomachine with a variable installation angle for implementing the method according to claim 1, comprising a first annular lattice (G1) of the blades (24) with a variable installation angle, along the edge of which in the radial direction there is a second annular lattice (G2) of the blades (28) with a fixed installation angle of equivalent length and the same number of blades forming successive diffusion channels by joining the blades (24, 28) of two gratings (G1, G2) in the radial direction, characterized in that each blade (24) of the first grating (G1) is driven into motion by drive means (30, 33, 34) designed to perform the actual rotation of the blade (24), spaced from the center relative to its axis of rotation (X'X). 4. Диффузор по п.3, в котором каждая лопасть (24) с изменяемым углом установки, расположена между двумя чашками (17, 27) размещенными напротив и параллельно одна другой и смещенными от центра относительно общей оси чашек, совпадающей с осью вращения (X'X).4. The diffuser according to claim 3, in which each blade (24) with a variable installation angle is located between two cups (17, 27) located opposite and parallel to one another and offset from the center relative to the common axis of the cups coinciding with the axis of rotation (X 'X). 5. Диффузор по п.3, в котором каждая лопасть (24) сочленена с приводным штоком (30), имеющим, по меньшей мере, одно отверстие (30t), в которое введен блокирующий штифт диска (30u), регулирующего осевое положение чашек (17, 27).5. The diffuser according to claim 3, in which each blade (24) is coupled to a drive rod (30) having at least one hole (30t) into which a locking pin of the disk (30u) is inserted, which regulates the axial position of the cups ( 17, 27). 6. Диффузор по п.5, в котором шток (30) жестко соединен с рычагом (33), снабженным сферическим шарниром (37), размещенным в цилиндрическом посадочном месте управляющей коронной шестерни (34), предназначенной для привода во вращение вокруг ведущей оси (Y'Y) рычага (33), выполненного с возможностью скольжения в цилиндрическом посадочном месте (38).6. The diffuser according to claim 5, in which the rod (30) is rigidly connected to a lever (33) equipped with a spherical hinge (37) located in a cylindrical seat of the control crown gear (34), designed to drive in rotation around the drive axis ( Y'Y) of the lever (33), made with the possibility of sliding in a cylindrical seat (38). 7. Диффузор по п.6, в котором глубина цилиндрических посадочных мест (38) зависит от хода рычагов (33), при этом ход рычагов зависит от заданного интервала поворота лопастей (24).7. The diffuser according to claim 6, in which the depth of the cylindrical seats (38) depends on the stroke of the levers (33), while the stroke of the levers depends on a given interval of rotation of the blades (24). 8. Диффузор по п.4, в котором передняя кромка (24с) каждой лопасти (24) с изменяемым углом установки находится вблизи периферий (17с, 27с) чашек (17, 27), при этом расстояние от лопасти (24) до оси вращения (X'X) превышает или равно половине радиуса.8. The diffuser according to claim 4, in which the front edge (24c) of each blade (24) with a variable installation angle is located near the periphery (17s, 27c) of the cups (17, 27), while the distance from the blade (24) to the axis of rotation (X'X) is greater than or equal to half the radius. 9. Диффузор по п.3, в котором неподвижные лопасти (28) второй решетки (G2) имеют профиль передней кромки (Ва), более толстый, чем профиль (24с) лопастей (24) первой решетки (G1).9. The diffuser according to claim 3, in which the stationary blades (28) of the second lattice (G2) have a leading edge profile (Ba) thicker than the profile (24c) of the blades (24) of the first lattice (G1). 10. Диффузор по п.3, в котором углы установки подвижных лопастей (24) составляют от +12 до -5°, соответствующих критическому сечению (Sa, Sc) соответственно в 50% и в 120% относительно сечения, соответствующего номинальному углу установки. 10. The diffuser according to claim 3, in which the installation angles of the movable blades (24) are from +12 to -5 °, corresponding to the critical section (Sa, Sc) respectively in 50% and 120% relative to the section corresponding to the nominal installation angle.
RU2012148378/06A 2010-04-14 2011-04-13 Method of air flow rate regulation in centrifugal compressor of turbo-machine and diffuser for its implementation RU2564158C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1052827A FR2958967B1 (en) 2010-04-14 2010-04-14 METHOD FOR ADJUSTING TURBOMACHINE AIR FLOW WITH CENTRIFUGAL COMPRESSOR AND DIFFUSER THEREFOR
FR1052827 2010-04-14
PCT/FR2011/050846 WO2011128587A1 (en) 2010-04-14 2011-04-13 Method for adapting the air flow of a turbine engine having a centrifugal compressor and diffuser for implementing same

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RU2012148378A true RU2012148378A (en) 2014-05-20
RU2564158C2 RU2564158C2 (en) 2015-09-27

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US (1) US20130034425A1 (en)
EP (1) EP2558728B2 (en)
JP (2) JP2013524099A (en)
KR (1) KR20130079326A (en)
CN (1) CN102834622B (en)
CA (1) CA2794825C (en)
FR (1) FR2958967B1 (en)
PL (1) PL2558728T5 (en)
RU (1) RU2564158C2 (en)
WO (1) WO2011128587A1 (en)

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US20130034425A1 (en) 2013-02-07
CA2794825A1 (en) 2011-10-20
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CN102834622B (en) 2016-02-10
RU2564158C2 (en) 2015-09-27
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FR2958967A1 (en) 2011-10-21
EP2558728B1 (en) 2019-07-24
WO2011128587A1 (en) 2011-10-20
CN102834622A (en) 2012-12-19
EP2558728B2 (en) 2022-10-12
CA2794825C (en) 2018-06-12
PL2558728T3 (en) 2019-10-31
EP2558728A1 (en) 2013-02-20
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KR20130079326A (en) 2013-07-10
JP6483074B2 (en) 2019-03-13

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