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WO2007115471A1 - Pompe centrifuge à ailettes à canaux multiples - Google Patents
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WO2007115471A1 - Pompe centrifuge à ailettes à canaux multiples - Google Patents

Pompe centrifuge à ailettes à canaux multiples Download PDF

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Publication number
WO2007115471A1
WO2007115471A1 PCT/CN2007/000842 CN2007000842W WO2007115471A1 WO 2007115471 A1 WO2007115471 A1 WO 2007115471A1 CN 2007000842 W CN2007000842 W CN 2007000842W WO 2007115471 A1 WO2007115471 A1 WO 2007115471A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
impeller
cover
pump body
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.)
Ceased
Application number
PCT/CN2007/000842
Other languages
English (en)
Chinese (zh)
Inventor
Wanzhi Jiang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2007115471A1 publication Critical patent/WO2007115471A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F04D1/063—Multi-stage pumps of the vertically split casing type

Definitions

  • the utility model relates to a liquid pump, in particular to a multi-channel type impeller centrifugal pump, which is a liquid pump which is preferred in a centrifugal pumping place.
  • the utility model provides a multi-channel impeller centrifugal pump with compact structure, small volume, light weight, small friction loss of the disk, stable and reliable performance and low failure rate, in view of the technical problems existing in the prior art.
  • the technical solution for achieving the object of the present invention is composed of a pump body, a pump cover and a pump shaft, and the pump shaft is provided with at least one impeller having at least two flow passages therein, and the pump chamber of the pump body A corresponding portion between the inner side and the outlet end of each of the flow passages of the impeller is provided with a pump body sealing ring for preventing mixing of the two flow passages.
  • the inlet of the pump body communicates with the first flow passage inlet of the impeller, and the outlet of each of the front first passages in the impeller communicates with the inlet of the rear main passage through a fixed flow passage provided on the pump body and the pump cover, and finally the outlet of the first-class passage
  • the high pressure liquid is delivered outward through the outlet on the pump body.
  • each flow passage of the impeller is regarded as parallel or intersecting, and the outer side of the cover plate of the last flow passage is provided with a sub-blade for balancing the axial force, and the portion of the hub is tightly folded at the right angle of the inner sleeve of the sleeve and the pump shaft Shoulder joint On the end face, the other side is fixed to the pump shaft by an impeller nut.
  • the sealing cavity composed of the pump cover and the sleeve is provided with a mechanical seal assembly, and the outer side is fixed by a mechanical seal gland.
  • the rear part of the pump shaft is provided with a bearing and is placed on the bearing suspension assembly, and the bearing is pressed outside the bearing.
  • the utility model is compared with the prior art, and the multi-channel impeller and the pump body sealing ring are adopted.
  • FIG. 1 is a schematic front view showing the structure of a two-channel impeller centrifugal pump arranged in parallel according to the present invention.
  • Figure 2 is a cross-sectional view taken along line A - A of Figure 1;
  • Figure 3 is a cross-sectional view taken along line B-B of Figure 1.
  • Fig. 4 is a front view showing the structure of a three-channel impeller centrifugal pump arranged in parallel according to the present invention.
  • Fig. 5 is a front view showing the structure of a four-channel impeller centrifugal pump arranged in parallel according to the present invention.
  • Figure 6 is a cross-sectional view taken along line C-C of Figure 5;
  • Figure 7 is a front view of the two-channel impeller centrifugal pump of the present invention.
  • the embodiment of the present invention is described in detail with reference to the accompanying drawings.
  • the front part of the pump shaft 9 shown in FIG. 1, FIG. 4, FIG. 5 and FIG. 7 is provided with a sleeve 7 and the front end of the sleeve 7 is folded into a right angle and a pump shaft.
  • the shoulder of the 9 is combined to prevent the axial movement.
  • the inner side of the hub with the multi-channel impeller 3 is fixed to the front end of the pump shaft 9 and fixed by the impeller nut 2, and the pump shaft 9 is mounted on the shaft.
  • the pump cover 6 is fixed on the pump body 1, a mechanical seal assembly is arranged between the inner cavity and the sleeve 7, and the outer side is fixed by a mechanical seal gland 8, and the bearing suspension assembly 11 is fixedly connected to the pump cover 6, the bearing 10 at the rear of the pump shaft 9 is mounted on the bearing suspension assembly 11, and the bearing gland is provided on the outer side of the bearing 10.
  • each flow passage of the impeller 3 is arranged in parallel or crosswise.
  • the outer blades of the first-stage passage cover are provided with auxiliary blades 5 for balancing the axial force.
  • the inner side of the pump body 1 is A pump body seal ring 4 is provided at a corresponding portion between the two end portions of the impeller 3 at each of the flow passages.

Landscapes

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

Abstract

La présente invention concerne une pompe centrifuge à ailettes comportant un corps de pompe, un couvercle de pompe et un arbre de pompe. L'arbre de pompe est muni d'au moins une ailette qui renferme au moins deux canaux. Un anneau d'étanchéité de corps de pompe est disposé dans la chambre de pompe sur la partie qui correspond à la section entre des sorties de canaux de chaque deux ailettes. La pompe centrifuge peut équilibrer la force axiale, réduire la perte de charge et améliorer l'efficacité de la pompe.
PCT/CN2007/000842 2006-03-28 2007-03-16 Pompe centrifuge à ailettes à canaux multiples Ceased WO2007115471A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610046185.5 2006-03-28
CNA2006100461855A CN101021213A (zh) 2006-03-28 2006-03-28 多流道式叶轮离心泵

Publications (1)

Publication Number Publication Date
WO2007115471A1 true WO2007115471A1 (fr) 2007-10-18

Family

ID=38580696

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/000842 Ceased WO2007115471A1 (fr) 2006-03-28 2007-03-16 Pompe centrifuge à ailettes à canaux multiples

Country Status (2)

Country Link
CN (1) CN101021213A (fr)
WO (1) WO2007115471A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102619780A (zh) * 2012-04-26 2012-08-01 朱学斌 一种反向布置末级叶轮平衡轴向力的离心泵
CN103498797A (zh) * 2013-09-23 2014-01-08 长沙佳能通用泵业有限公司 一种并联式自平衡型多级离心泵
CN107178520A (zh) * 2017-08-02 2017-09-19 汪小艳 一种提高离心水泵运行效率的方法及组合弹性密封装置
CN107656509A (zh) * 2017-11-07 2018-02-02 云科智能制造（沈阳）有限公司 多工件混合加工柔性制造系统
US10280925B2 (en) 2014-06-25 2019-05-07 Envirotech Pumpsystems, Inc. Pressure reducing rotor assembly for a pump
CN111550416A (zh) * 2020-06-12 2020-08-18 郑州大学 一种石油化工流程泵
CN116576150A (zh) * 2023-06-30 2023-08-11 新余钢铁股份有限公司 一种高效节能水泵

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606509A (zh) * 2012-03-27 2012-07-25 上海阿波罗机械股份有限公司 一种用于pcs再循环泵的连接结构
EP3387262A4 (fr) * 2015-12-07 2019-07-24 Fluid Handling LLC. Dégagement de bague d'usure de turbines opposées pour décaler une poussée axiale générée dans une pompe multi-étages
CN109578320B (zh) * 2018-11-28 2020-07-31 西华大学 多通道离心泵叶轮
CN115807787A (zh) * 2021-09-15 2023-03-17 赛莱默欧洲有限公司 一种高效节能双吸叶轮
CN114233635A (zh) * 2022-02-10 2022-03-25 浙江水泵总厂有限公司 泵体结构及具有其的离心泵
CN119021909B (zh) * 2024-07-18 2025-09-09 江苏大学流体机械温岭研究院 一种叶轮对称布置的离心泵泵体

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070530A1 (fr) * 1981-07-17 1983-01-26 Friedrich Schweinfurter Pompe à canal latéral ayant des pales radiales de secours
CN1071230A (zh) * 1991-09-23 1993-04-21 卢才美 特高扬程旋涡泵
CN2146588Y (zh) * 1992-10-15 1993-11-17 兴城市公路管理段 可逆离心泵
CN2157336Y (zh) * 1993-03-04 1994-02-23 王安红 多级双吸两用水泵
CN2365428Y (zh) * 1999-03-09 2000-02-23 赵彤涌 直联式轴向吸入两级离心泵

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070530A1 (fr) * 1981-07-17 1983-01-26 Friedrich Schweinfurter Pompe à canal latéral ayant des pales radiales de secours
CN1071230A (zh) * 1991-09-23 1993-04-21 卢才美 特高扬程旋涡泵
CN2146588Y (zh) * 1992-10-15 1993-11-17 兴城市公路管理段 可逆离心泵
CN2157336Y (zh) * 1993-03-04 1994-02-23 王安红 多级双吸两用水泵
CN2365428Y (zh) * 1999-03-09 2000-02-23 赵彤涌 直联式轴向吸入两级离心泵

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102619780A (zh) * 2012-04-26 2012-08-01 朱学斌 一种反向布置末级叶轮平衡轴向力的离心泵
CN103498797A (zh) * 2013-09-23 2014-01-08 长沙佳能通用泵业有限公司 一种并联式自平衡型多级离心泵
US10280925B2 (en) 2014-06-25 2019-05-07 Envirotech Pumpsystems, Inc. Pressure reducing rotor assembly for a pump
CN107178520A (zh) * 2017-08-02 2017-09-19 汪小艳 一种提高离心水泵运行效率的方法及组合弹性密封装置
CN107178520B (zh) * 2017-08-02 2023-06-23 汪小艳 一种提高离心水泵运行效率的方法及组合弹性密封装置
CN107656509A (zh) * 2017-11-07 2018-02-02 云科智能制造（沈阳）有限公司 多工件混合加工柔性制造系统
CN111550416A (zh) * 2020-06-12 2020-08-18 郑州大学 一种石油化工流程泵
CN116576150A (zh) * 2023-06-30 2023-08-11 新余钢铁股份有限公司 一种高效节能水泵

Also Published As

Publication number Publication date
CN101021213A (zh) 2007-08-22

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