WO2021128283A1 - Turbine annulaire circulaire modifiée - Google Patents

Turbine annulaire circulaire modifiée Download PDF

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Publication number
WO2021128283A1
WO2021128283A1 PCT/CN2019/129207 CN2019129207W WO2021128283A1 WO 2021128283 A1 WO2021128283 A1 WO 2021128283A1 CN 2019129207 W CN2019129207 W CN 2019129207W WO 2021128283 A1 WO2021128283 A1 WO 2021128283A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotating
rotating shaft
protrusions
clamping
turbine according
Prior art date
Application number
PCT/CN2019/129207
Other languages
English (en)
Chinese (zh)
Inventor
谢向东
张建坤
杜国锋
Original Assignee
长江大学
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 长江大学 filed Critical 长江大学
Publication of WO2021128283A1 publication Critical patent/WO2021128283A1/fr

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Classifications

    • 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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/18—Non-positive-displacement machines or engines, e.g. steam turbines without stationary working-fluid guiding means
    • F01D1/22—Non-positive-displacement machines or engines, e.g. steam turbines without stationary working-fluid guiding means traversed by the working-fluid substantially radially
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines

Definitions

  • the invention relates to the technical field of turbines, in particular to an improved annular turbine.
  • Chinese patent CN201753619U discloses a ring-shaped Tesla turbine.
  • the toroidal Tesla turbine makes the rotor into a ring, the inside of the ring is evenly covered with ring slices, the nozzle extends into the inside of the ring and jets towards the ring along the tangent direction of the ring, and the airflow will form a vortex under the guidance of the inner side of the ring Because the annular sheet covering the inside of the ring greatly increases the contact surface between the ring and the air flow, according to the boundary layer effect, the ring will be driven by the air flow to rotate together, thereby realizing the rotation of the rotor.
  • the air flow injected into the rotor will cause centripetal movement due to deceleration, and then quickly leave the rotor ring, resulting in whether the air flow can be fully utilized.
  • the exposed rotor will also have safety hazards.
  • the purpose of the present invention is to overcome the above technical shortcomings and provide an improved toroidal turbine, which solves the hidden safety hazards caused by the air flow energy and the exposed rotor in the prior art.
  • the present invention provides an improved toroidal turbine, which includes a housing assembly and a rotor assembly.
  • the housing assembly has a rotating cavity.
  • the rotor assembly is built in the rotating cavity.
  • the rotor assembly includes a rotating shaft, a plurality of rotating pieces, two clamping pieces, and a supporting tube.
  • the rotating shaft is rotatably connected with the housing assembly, and the rotating piece and the two clamping pieces are both sleeved on the rotating shaft, A clamping gap is formed between the two clamping pieces, a plurality of the rotating pieces are stacked and located in the clamping gap, the supporting tube is sleeved on the rotating shaft, and the supporting tube is two
  • the ends are respectively clamped with the grooves provided on the two clips
  • the rotating piece is a ring
  • one side of the rotating piece has a plurality of protrusions
  • the plurality of protrusions are along the circumference of the rotating piece.
  • Each of the protrusions is close to the inner ring of the ring, and an air flow pipeline is formed between two adjacent protrusions, and the thickness of the protrusions is the same as that between the two adjacent rotors. gap.
  • the beneficial effect of the present invention is that: different from the prior art, the present embodiment is provided with a plurality of protrusions on the rotating blade, and an air flow pipeline is formed between two adjacent protrusions, and the formed air flow pipeline is directly opposite to each other. In the gap between two adjacent rotors, the air flow utilization rate is high, and the rotors are built in the housing assembly, so there is no safety hazard.
  • Figure 1 is a schematic structural diagram of an embodiment of the present invention
  • Figure 2 is a schematic structural diagram of a housing assembly in an embodiment of the present invention.
  • Figure 3 is a schematic view of the structure of the rotor assembly in the embodiment of the present invention.
  • Figure 4 is a top view of the rotor assembly in the embodiment of the present invention.
  • Figure 5 is a schematic view of the structure of the connection between the rotor assembly and the housing assembly in an embodiment of the present invention
  • Fig. 6 is a schematic diagram of the structure of the rotating sheet in the embodiment of the present invention.
  • Figure 7 is a schematic view of the structure of the clip in the embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the structure of the limit ring in the embodiment of the present invention.
  • Figure 9 is a schematic view of the structure of the rotating shaft in the embodiment of the present invention.
  • Fig. 10 is a schematic diagram of the structure of the supporting tube in the embodiment of the present invention.
  • the present invention provides an improved toroidal turbine, including a housing assembly 100 and a rotor assembly 200, the housing assembly 100 has a rotating cavity 111, the rotor The assembly 200 is built in the rotating cavity 111.
  • the rotor assembly 200 includes a rotating shaft 210, a plurality of rotating pieces 220, two clamping pieces 230, and a supporting tube 250.
  • the rotating shaft 210 is rotatably connected with the housing assembly 100, and the rotating shaft 210 is connected to the clamping piece 230.
  • the provided keyway 232 is clamped, the rotating piece 220 and the two clamping pieces 230 are both sleeved on the rotating shaft 210, a clamping gap is formed between the two clamping pieces 230, and a plurality of rotating pieces 220 are stacked and located in the clamping gap ,
  • the supporting tube 250 is sleeved on the rotating shaft 210, and the two ends of the supporting tube 250 are respectively clamped with the grooves 231 provided on the two clips 230.
  • the rotating piece 220 is a circular ring, one side of the rotating piece 220 has a plurality of protrusions 222, and the plurality of protrusions 222 are evenly arranged along the circumference of the rotating piece 220, and each protrusion 222 is close to the inner ring of the circular ring.
  • An air flow pipeline is formed between two adjacent protrusions 222. The air flow pipeline communicates with the inside of the rotor 220, thereby communicating with the air outlet on the clip 230.
  • the rigidity of the rotor 220 is enhanced and the rotor The diameter of 220 is made larger, and at the same time, it facilitates the discharge of gas between the rotor blades 220.
  • the housing assembly 100 in this embodiment includes a base 110 and two cover plates 120.
  • the rotating cavity 111 is arranged on the base 110, and the two cover plates 120 are symmetrically arranged on two sides of the rotating cavity 111.
  • the rotating shaft 210 is built in the rotating cavity 111, and both ends of the rotating shaft 210 are respectively connected with the bearings 140 installed on the cover 120 to fix the rotating shaft 210 so that the rotating shaft 210 can rotate more stably.
  • the structure of the cover plate 120 is similar to that of an electric fan blade, which facilitates the outflow of the gas in the air flow pipeline.
  • the cover plate 120 and the base 110 are connected by a first bolt 130.
  • the first bolt 130 passes through the cover plate 120 and is threadedly connected to a threaded hole provided on the base 110, which facilitates the mounting of the cover plate 120.
  • the way of connecting the cover 120 and the base 110 is not limited.
  • the housing assembly 100 further includes an air inlet pipe 150.
  • the air inlet pipe 150 is installed on the base 110.
  • the air inlet 151 of the air inlet pipe 150 communicates with the rotating cavity 111.
  • the air inlet direction of the air inlet pipe 150 Along the tangential direction of the rotating blade 220, the gas entering from the air inlet 151 is blown toward the rotating blade 220 to drive the rotating blade 220 to rotate, and the gas is discharged to the outside through the air flow pipeline and the air outlet.
  • the protrusions 222 are in an arc-shaped strip shape to facilitate the formation of a "boundary effect" by the gas on the rotor blade 220. It is understood that the shape of the protrusions 222 is not limited.
  • the clamping piece 230 and the rotating piece 220 are connected by a second bolt 221.
  • the second bolt 221 passes through one of the clamping pieces 230 and the clamping piece 230 and is screwed to a threaded hole provided on the other clamping piece 230.
  • connection manner of the clip 230 and the rotating piece 220 can also be replaced by other ways, for example, the clip 230 and the rotating piece 220 are integrally formed without limitation.
  • the above-mentioned solution is the most preferred solution. It is convenient to adjust the number of clips 230.
  • the clip 230 is provided with a plurality of air outlet holes, and the plurality of air outlet holes are evenly arranged along the circumference of the rotating shaft 210, and the plurality of air outlet holes are all communicated with the inside of the ring.
  • the rotor assembly 200 further includes two limit rings 240.
  • the two limit rings 240 are respectively sleeved on both ends of the rotating shaft 210, and the opposite sides of the two limit rings 240 are respectively connected to the clamps.
  • the plates 230 are in contact with each other through the limit ring 240.
  • Each limit ring 240 is an elastic ring. The friction force between the limit ring 240 and the rotating shaft 210 can prevent the clip 230 from moving relative to the rotating shaft 210.
  • the supporting tube 250 is installed in the middle of the two clamps 230 to prevent the limit rings 240 on both sides from being excessively squeezed to cause the deformation of the clamps 230, which improves the rigidity of the clamps 230 to a certain extent.
  • an air flow pipe is formed between two adjacent protrusions 222, and the formed air flow pipe is facing the two adjacent ones.
  • the gap between the rotating pieces 220 has a high air flow utilization rate, and the rotating pieces 220 are built in the housing assembly 100, so there is no safety hazard.

Landscapes

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

Abstract

Est divulguée une turbine annulaire circulaire modifiée. La turbine annulaire circulaire modifiée comprend un ensemble coque (100) et un ensemble rotor (200). L'ensemble coque (100) est pourvu d'une cavité de rotation (111), l'ensemble rotor (200) est disposé à l'intérieur de la cavité de rotation (111), et l'ensemble rotor (200) comprend un arbre rotatif (210), une pluralité de feuilles rotatives (220), deux feuilles de serrage (230) et un tuyau circulaire de support (250). L'arbre rotatif (210) est relié rotatif à l'ensemble coque (100), les feuilles rotatives (220) et les deux feuilles de serrage (230) sont toutes emmanchés sur l'arbre rotatif (210), un espace de serrage est formé entre les deux feuilles de serrage (230), la pluralité de feuilles rotatives (220) sont agencées de manière empilée et situées dans l'espace de serrage, le tuyau circulaire de support (250) est emmanché sur l'arbre rotatif (210), et deux extrémités du tuyau circulaire de support (250) sont respectivement serrées sur des rainures de serrage (231) disposées sur les deux feuilles de serrage (230) ; et la feuille rotative (220) est une bague circulaire, un côté de la feuille rotative (220) est pourvue d'une pluralité de saillies (222), la pluralité de saillies (222) sont disposées uniformément dans la direction circonférentielle de la feuille rotative, chacune des saillies (222) est proche d'un cercle interne de la bague circulaire, une conduite d'écoulement d'air est formée entre les deux saillies adjacentes (222), et l'épaisseur de la saillie (222) est égale à un espace entre deux feuilles rotatives adjacentes (220). L'invention résout les problèmes de l'état de la technique selon lesquels l'énergie cinétique du flux d'air n'est pas apte à être complètement utilisée et un rotor est exposé et provoque ainsi des risques de sécurité potentiels.
PCT/CN2019/129207 2019-12-23 2019-12-27 Turbine annulaire circulaire modifiée WO2021128283A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911337413.8A CN110985131B (zh) 2019-12-23 2019-12-23 一种改进的圆环涡轮机
CN201911337413.8 2019-12-23

Publications (1)

Publication Number Publication Date
WO2021128283A1 true WO2021128283A1 (fr) 2021-07-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/129207 WO2021128283A1 (fr) 2019-12-23 2019-12-27 Turbine annulaire circulaire modifiée

Country Status (2)

Country Link
CN (1) CN110985131B (fr)
WO (1) WO2021128283A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080131273A1 (en) * 2006-12-05 2008-06-05 Fuller Howard J Wind turbine for generation of electric power
WO2009088955A2 (fr) * 2007-12-31 2009-07-16 Energenox, Inc. Turbine à effet de couche limite
CN201753619U (zh) * 2010-08-18 2011-03-02 时剑 一种环形特斯拉涡轮
CN206957857U (zh) * 2017-03-21 2018-02-02 上海理工大学 一种立式边界层剪切透平装置
CN108868890A (zh) * 2018-01-12 2018-11-23 至玥腾风科技投资集团有限公司 一种特斯拉涡轮机及控制方法
CN110114554A (zh) * 2016-09-08 2019-08-09 绿青蛙涡轮机(英国)有限公司 边界层涡轮机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2522808A1 (fr) * 2011-05-10 2012-11-14 Aella SA Turbomoteur, en particulier moteur à combustion interne
CN202851255U (zh) * 2012-04-28 2013-04-03 陶一伟 一种新型无叶涡轮发电装置
JP2015169088A (ja) * 2014-03-05 2015-09-28 国立大学法人 東京大学 テスラタービン

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080131273A1 (en) * 2006-12-05 2008-06-05 Fuller Howard J Wind turbine for generation of electric power
WO2009088955A2 (fr) * 2007-12-31 2009-07-16 Energenox, Inc. Turbine à effet de couche limite
CN201753619U (zh) * 2010-08-18 2011-03-02 时剑 一种环形特斯拉涡轮
CN110114554A (zh) * 2016-09-08 2019-08-09 绿青蛙涡轮机(英国)有限公司 边界层涡轮机
CN206957857U (zh) * 2017-03-21 2018-02-02 上海理工大学 一种立式边界层剪切透平装置
CN108868890A (zh) * 2018-01-12 2018-11-23 至玥腾风科技投资集团有限公司 一种特斯拉涡轮机及控制方法

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Publication number Publication date
CN110985131A (zh) 2020-04-10
CN110985131B (zh) 2021-08-17

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