EP2643556A1 - Ajustage angulaire accouplé d'un aubage directionnel de sortie - Google Patents

Ajustage angulaire accouplé d'un aubage directionnel de sortie

Info

Publication number
EP2643556A1
EP2643556A1 EP12702515.3A EP12702515A EP2643556A1 EP 2643556 A1 EP2643556 A1 EP 2643556A1 EP 12702515 A EP12702515 A EP 12702515A EP 2643556 A1 EP2643556 A1 EP 2643556A1
Authority
EP
European Patent Office
Prior art keywords
adjustment
compressor
lever
adjusting
shaft
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.)
Granted
Application number
EP12702515.3A
Other languages
German (de)
English (en)
Other versions
EP2643556B1 (fr
Inventor
Jan Weule
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2643556A1 publication Critical patent/EP2643556A1/fr
Application granted granted Critical
Publication of EP2643556B1 publication Critical patent/EP2643556B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/165—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for radial flow, i.e. the vanes turning around axes which are essentially parallel to the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0246—Surge control by varying geometry within the pumps, e.g. by adjusting vanes
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps 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
    • F05D2250/51—Inlet
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y10T29/49245—Vane type or other rotary, e.g., fan

Definitions

  • the invention relates to a device for angular adjustment of blades of an outlet guide of a compressor and to a method for assembling such a device for angle adjustment.
  • Compressors or fluid compressing devices are used in various industries for various applications involving compression or compression of fluids, especially (process) gases.
  • Well-known examples of this are turbo compressors in mobile
  • Turbo compressor is increased by the rotation of the blades.
  • pressure and temperature of the fluid increase, while the relative
  • turbocompressors As types of turbocompressors, a distinction is made between radial and axial compressors.
  • the fluid to be compressed for example a process gas
  • Radial compressor flows the gas axially into the impeller of the compressor stage and then becomes outward (radial)
  • outlet guide vanes In order to influence the characteristic map, it is known to change the angle of attack of blades of an outlet guide apparatus, in the following referred to as outlet guide vanes.
  • a backdrop is one used in mechanical engineering
  • the gate has a slot, web or a groove in / on which a sliding block is forcibly guided on both sides to a movement of the backdrop in a movement of the
  • a transfer function (also coupling function) of the slotted guide is the course of the guide, ie by the course of the slot, ridge or the groove, determined and is free within wide limits
  • the slide guide is especially for
  • the invention is based on the object, a device for angular adjustment of blades of a
  • a compressor stage is to install.
  • the object is achieved by the device for adjusting the angle of blades of a discharge guide of a compressor and by the method for mounting such
  • the device for angular adjustment of blades of a discharge nozzle of a compressor comprises several
  • (Angle) adjustable blades which are each mounted on a shaft in a housing, in particular in a spiral housing.
  • the shafts each have a (adjustment) lever or are each connected to a (adjusting) lever, which is guided using a link - in particular via the (adjustment) levers mounted and guided in the scenes roles.
  • Adjusting ring or gate holder connected. When adjusting this collar so can the
  • Compressor - and coupling the angle adjustment of the Austrittsleitapparats (ALA) with a constitutionsleitapparat (ELA) or with an angular adjustment of blades of the inlet guide of the compressor - are first the blades of the Austrittleitapparats on the respective shaft, rollers on the respective (adjustment) lever and the scenes on the collar - and the collar to the
  • the shafts are mounted in the housing and the (adjustment) levers are mounted on the shafts.
  • a particular advantage of the invention is that it realizes a very simple, inexpensive and flexible and highly efficient adjustment mechanism for the blades of the ALA, which moreover, via coupling of the adjusting ring with the ELA or with the adjustment mechanism of the ELA to the ELA Adjustment - by means of an ELA adjustment cylinder - can be connected (combined ELA-ALA (angle) adjustment) - and thus requires no separate, separate drive for adjustment.
  • machining a groove or slot in the backdrop and / or an orientation of the scenery on the collar can be any shape or shape.
  • a groove or slot in the backdrop and / or an orientation of the scenery on the collar can be any shape.
  • the slotted guide is designed as a slot, web or groove in / on the backdrop. Preference can continue here
  • the backdrop guided element - on the (adjustment) lever mounted - roller is used.
  • it can be provided to introduce a, in particular straight, groove in the gate by machining, in which then the guided element or the roller is guided or moved.
  • the neutral (90 °) to Abroll Vietnamese a in the The role played by the role is to decouple the combined ELA-ALA adjustment in the desired angular ranges of the ELA (in some areas decoupling or dead gear).
  • the link via one or more Exzenteräen is provided that
  • Eccentric bolt, clamping and adjusting screw in particular via two eccentric units, is bolted to the adjusting ring. Such screwing the backdrop with the collar by one or by the two or more
  • the adjustment facial expressions can be adjusted in this way, e.g. by a correspondingly aligned ramp as a slotted guide that leads an ELA angle adjustment of 60 ° to an ALA angle adjustment of 45 °.
  • Adjustment mechanism according to the invention have the advantage that they in the direction of force ALA -> ELA or against the
  • Adjustment direction ELA -> ALA (ie an adjustment of the ELA blades is effected by means of the adjusting mechanism realized coupling and the adjustment of ALA Schaufein), in particular in the range of a realized reduction, is self-locking. Thus, an additional clamping of the mechanism is unnecessary, which simplifies the construction of a combined angle adjustment accordingly.
  • the invention allows, in particular by its simple, constructive structure, the use or the
  • the (adjusting) lever can be guided by using a roller arranged on the (adjusting) lever in / on the link.
  • This role may according to another preferred embodiment by means of a plain bearing bush and a threaded pin on the (adjustment) lever attached or stored - and under
  • the invention thereby enables, i. through the use of such conventional bearing elements, a cost-effective design of the WinkelVergna.
  • the components of the invention such as the (adjustment) lever and / or the scenery, as small and / or simple turning and milling parts can be performed, the no further
  • the invention is identical for left and
  • the adjusting ring by connection with an adjusting element of the ELA, for example with a collar of the ELA or with the
  • Adjustment ring for the ELA blade is connected.
  • the attachment of the blade to the shaft is carried out using a sleeve, wherein the blade, the sleeve and the shaft via one or more pins, in particular a threaded pin and / or a dowel pin in the axial Direction can be held together.
  • this connection is from blade to shaft, i. attaching the bucket to the shaft, a critical area.
  • this connection is from blade to shaft, i. attaching the bucket to the shaft, a critical area.
  • connection between the blade and the shaft can be massively carried out via the (blade) sleeve.
  • Embodiment is provided that the blade, the sleeve and the shaft are held together by a central threaded pin in the axial direction.
  • the bucket, the sleeve and the shaft can then be pinned together.
  • Mounting the inlet guide can be mounted in / on the housing so that the rollers are inserted into the respective backdrop. Under certain circumstances, this divisibility may also be possible, especially with large volute casings.
  • the slide and / or the roller arranged on the (adjustment) lever form a mounting bevel, in particular as
  • Threading aid have / has.
  • Compressor a gear compressor, in particular a
  • Angular adjustment according to the invention can be realized in one or more stages of this transmission compressor.
  • the compressor or the multi-stage gear compressor can preferably be used for air separation.
  • Compressors in particular transmission compressors, or
  • Adjustment mechanism well integrated and divisible for assembly is. Now, the invention also allows the use of an angle adjustment for large volute casings.
  • the invention allows an increase of
  • FIG. 1 shows a sketch of a volute casing of a compressor stage of a transmission compressor
  • FIG. 4 shows a sketch of a section through the sectional drawing of FIG. 3 with a sliding mechanism of the combined ALA-ELA angle adjustment
  • FIG 6 shows a sketch of a further section through the Spiral housing according to FIG 1 with an eccentric unit for screwing the backdrop with a
  • FIG. 7 shows a sketch of a blade-shaft (adjustment) lever unit of the combined ALA-ELA angle adjustment
  • FIG 8 sketch of a screw connection of the blade with the
  • FIG 9 sketch of an attachment of the (adjusting) lever on the shaft and a bearing of the roller on the (adjustment) lever of the blade-shaft (adjustment)
  • Embodiment Coupled or combined
  • Exit nozzle ALA
  • EVA inlet guide
  • FIG. 1 shows a volute casing 101 of a compressor stage 100 of a multi-shaft gear compressor for air decomposition.
  • This compressor stage 100 initially has the usual structure of a compressor housing 100 arranged in a spiral housing 101 with an impeller, an inlet guide apparatus (ELA) 103 upstream of the impeller and an impeller
  • Adjustment mechanism 4 or Verstellmimik coupled. In the following FIGS. 2 to 9, further details of this adjustment mechanism 4 accommodated in the spiral housing 101 are shown.
  • Adjustable facial expression i. the coupled outlet diffuser (ALA) / inlet diffuser (ELA) angle adjustment
  • each of these ALA vanes 11 is mounted on a single shaft 12 in the spiral housing 101 (FIGS. 2, 3, 5, 7 to 9).
  • this connection is from ALA blade 11 to shaft 12 (FIGS. 7 and 8), i. the attachment of the ALA blade 11 to the shaft 12, a critical area. in the
  • Blade 1 or are the ALA-Schaufein 11 occurring flow surges and vibrations or corresponding
  • connection of the ALA blade 11 to the shaft 12 is made massive via a (blade) sleeve 14.
  • the blade 11, the sleeve 14 and the shaft 12 are thereby via a central threaded pin
  • roller lever 15 in detail. The roller 13 sits on one
  • Plain bearing bushing 16 which in turn mounted on a threaded pin 17 and with a ring 18 and with a
  • Circlip 19 is secured there.
  • the threaded pin 17 is bolted to the roller lever 15 to block and secured there by a dowel pin 110.
  • the scenes 24 are each about two in one
  • Gate holder 23 recorded eccentric 3 firmly connected to this gate retaining ring (ALA collar) 23 or screwed ( Figures 4 and 5). 5 shows such an eccentric unit 3 in detail.
  • Eccentric unit 3 has an eccentric 31 with two holes 37.
  • the eccentric 31 there is a connected to the gate 24 eccentric pin 32, this eccentric 32 locking circlip 34, a mounting hopper 33 and a cylinder screw 25 through which the clamping and Fixation occurs, on.
  • the adjustment of the eccentric 3 Via the second bore 37, the adjustment of the eccentric 3, i.
  • the eccentric 31 there a cylinder screw 25, via which the adjustment by rotation of the eccentric 31 in
  • the link retaining ring 23 is in turn a construction of several distributed over the circumference of the link retaining ring 23 ring carriers 21 with cap screws 25 and
  • Blade sleeve 14 set on the ALA shaft 12 and screwed on the threaded pin 17 with the blade 11.
  • radial and axial dowel pins 110 are bored and used to secure the position of the blade 11 and ALA shaft 12.
  • roller lever 15 The roller 13, the plain bearing bushing 16 and the ring 18 are secured to the locking ring 19 on the threaded pin 17. This is screwed into the roller lever 15 to block, then drilled and secured by dowel pins 110.
  • Gate holder 23 bolted to the ring carriers 21.
  • Diffuser disc 106 drilled holes according to the neutral and limit positions of the ALA blading 1 introduced.
  • the diffuser disc covers the setting hole.
  • the sliding bearing bushes 16 are to be placed in the shaft seats 28 in the spiral housing 101. Subsequently, the preassembled vane units 1 are inserted from the spiral rear side (collar side) and the blades 11 are brought into contact with the pins. The preassembled roller levers 15 are then placed on the shafts 12 and aligned in a circle. This adjustment is fixed via the preassembly thread 38 of the roller lever 15.
  • the ELA 103 must be manually moved to its maximum co-rotating position (85 °). Through the coupling, the ALA blades 11 adjust as desired.
  • Boundary position (according to coupling law) to bring. Accessibility is for the adjustment tool, in this case a
  • Gate holder 23 clamped.

Landscapes

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

Abstract

L'invention concerne un dispositif d'ajustage angulaire d'aubes d'un aubage directionnel de sortie d'un compresseur et un procédé de montage d'un tel dispositif. Le dispositif comprend plusieurs aubes à angle ajustable (11) montées respectivement sur un arbre (12) dans un boîtier (101). Les arbres (12) comprennent respectivement un levier (de réglage) (15) guidé au moyen d'une coulisse (24), les coulisses (24) étant disposées sur une bague de réglage (23), de sorte que, lors de l'ajustage de la bague de réglage (23), l'ajustage angulaire des aubes (11) puisse être réalisé. Lors du montage de ce dispositif dans le boîtier (101) du compresseur (100), lorsque l'ajustage angulaire de l'aubage directionnel de sortie (102) est accouplé à un aubage directionnel d'entrée (103) du compresseur (100), les aubes (11) sont tout d'abord montées sur l'arbre (12) respectif, les rouleaux (13) sur le levier (d'ajustage) respectif (15), les coulisses (24) sur la bague de réglage (23) et la bague de réglage (23) sur l'aubage directionnel d'entrée (103). Les arbres (12) sont montés dans le boîtier (101) et les leviers (d'ajustage) (15) sont montés sur l'arbre (12) respectif. L'aubage directionnel d'entrée (103) est monté dans le boîtier (101), les rouleaux (13) étant introduits dans la coulisse (24) respective, ce qui permet de réaliser l'accouplement de l'ajustage angulaire.
EP12702515.3A 2011-02-02 2012-02-02 Compresseur radial à transmission avec un étage de compression et procédé correspondant de montage de l'étage de compression Not-in-force EP2643556B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011003522A DE102011003522B4 (de) 2011-02-02 2011-02-02 Gekoppelte Austrittsleitapparat-Winkelverstellung
PCT/EP2012/051735 WO2012104366A1 (fr) 2011-02-02 2012-02-02 Ajustage angulaire accouplé d'un aubage directionnel de sortie

Publications (2)

Publication Number Publication Date
EP2643556A1 true EP2643556A1 (fr) 2013-10-02
EP2643556B1 EP2643556B1 (fr) 2015-07-29

Family

ID=45563027

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12702515.3A Not-in-force EP2643556B1 (fr) 2011-02-02 2012-02-02 Compresseur radial à transmission avec un étage de compression et procédé correspondant de montage de l'étage de compression

Country Status (5)

Country Link
US (1) US20130315717A1 (fr)
EP (1) EP2643556B1 (fr)
CN (1) CN103380269A (fr)
DE (1) DE102011003522B4 (fr)
WO (1) WO2012104366A1 (fr)

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DE102015220333A1 (de) * 2015-10-19 2017-04-20 Rolls-Royce Deutschland Ltd & Co Kg Vorrichtung zur Einstellung eines Spaltes zwischen dem Gehäuse eines Laufrades und dem Laufrad in einem Radialverdichter und eine Turbomaschine
FR3069020B1 (fr) * 2017-07-12 2019-08-30 Safran Helicopter Engines Compresseur de turbomachine a calages variables
EP3581802A1 (fr) 2018-06-14 2019-12-18 Siemens Aktiengesellschaft Dispositif et procédé d'appui d'un rotor de turbomachine radiale
CN108533528A (zh) * 2018-06-14 2018-09-14 安徽虎渡科达流体机械有限公司 一种离心鼓风机入口导叶调节机构
EP3594506A1 (fr) 2018-07-12 2020-01-15 Siemens Aktiengesellschaft Bague de contour pour un compresseur
CN112302741B (zh) * 2019-07-25 2022-07-12 中国科学院工程热物理研究所 端壁可调节的扩压器
CN113833540B (zh) * 2021-09-15 2023-08-18 中国科学院工程热物理研究所 一种外环端壁轴向可调的扩压器结构
CN114033724B (zh) * 2021-11-29 2024-04-30 上海冠带通风节能设备有限公司 一种可调节风口方向的风机

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Also Published As

Publication number Publication date
US20130315717A1 (en) 2013-11-28
WO2012104366A1 (fr) 2012-08-09
CN103380269A (zh) 2013-10-30
DE102011003522B4 (de) 2013-03-14
DE102011003522A1 (de) 2012-08-02
EP2643556B1 (fr) 2015-07-29

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