WO2020168782A1 - Hélice du type à agitation à écoulement à deux phases liquide-solide - Google Patents

Hélice du type à agitation à écoulement à deux phases liquide-solide Download PDF

Info

Publication number
WO2020168782A1
WO2020168782A1 PCT/CN2019/123259 CN2019123259W WO2020168782A1 WO 2020168782 A1 WO2020168782 A1 WO 2020168782A1 CN 2019123259 W CN2019123259 W CN 2019123259W WO 2020168782 A1 WO2020168782 A1 WO 2020168782A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
solid
rear cover
cover plate
blades
Prior art date
Application number
PCT/CN2019/123259
Other languages
English (en)
Chinese (zh)
Inventor
何祥炎
董小花
孙国政
马军令
高芳红
Original Assignee
三联泵业股份有限公司
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 三联泵业股份有限公司 filed Critical 三联泵业股份有限公司
Priority to ZA2020/03839A priority Critical patent/ZA202003839B/en
Publication of WO2020168782A1 publication Critical patent/WO2020168782A1/fr

Links

Images

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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/24—Vanes

Definitions

  • the invention relates to the technical field of solid-liquid two-phase flow impurity pumps, in particular to a solid-liquid two-phase flow stirring impeller.
  • the present invention provides a solid-liquid two-phase flow stirring impeller, which enables the solid-liquid two-phase flow to have better passing capacity, high efficiency and more stable operation.
  • the present invention provides the following solutions:
  • the invention provides a solid-liquid two-phase flow stirring impeller, which includes a rear cover plate, a hub is fixedly connected to the middle of the rear cover plate, a plurality of cylindrical blades are fixed on the upper side of the rear cover plate, and the rear cover plate A number of back blades are fixedly connected to the bottom side.
  • the plurality of cylindrical blades are symmetrically and evenly distributed on the top of the rear cover plate about the center of the hub.
  • five cylindrical blades are provided on the top of the rear cover plate.
  • the back blades are symmetrically and evenly distributed on the bottom of the rear cover plate about the center of the hub.
  • the tops of the cylindrical blades are fixedly connected with swirling blades.
  • the swirling blade is arranged at the top of the cylindrical blade near one end of the hub.
  • the working principle of the present invention five identical and uniformly distributed cylindrical blades are arranged on the rear cover.
  • hydraulic performance is comprehensively considered, and the work done by the blades to the transmission medium increases the transmission efficiency.
  • the wheel hub can be effectively connected with the drive shaft to transmit torque. Through comprehensive consideration of economic benefits and load-bearing performance, it can effectively ensure the transmission of mechanical work and torque, thereby ensuring that the force transmitted by the driver to the medium is more effectively transmitted to the conveying medium. Effective transmission of the medium.
  • the swirling vane is the core part of the impeller, and through its effective work, there are significant improvements in improving passing performance, increasing efficiency, and increasing the reliable operation of the pump.
  • the back blade can reduce the pressure on the back of the blade and increase the sealing reliability of the rear end of the pump body
  • the front-end swirling blades can be used to drain water and transport high-viscosity, solid particles and easily clogged substances, so that they can flow out smoothly.
  • the blades can transport higher concentration than other forms of non-clogging impellers, with good non-destructive performance, less damage to the conveyed materials, high efficiency, and more stable operation.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the bottom side of the present invention.
  • FIG. 2 is a schematic diagram of the three-dimensional structure of the top side of the present invention.
  • Figure 3 is a plan view of the present invention.
  • a new type of solid-liquid two-phase flow swirling impeller has better non-clogging performance during use. Coupled with the advancement of imported swirling blades, this type of impeller can transport both solid and liquid phases.
  • the flow performance is better, and when the solid-liquid two-phase flow of large particles, high viscosity and fibrous materials is transported, the transported concentration is better than other forms of non-blocking impellers.
  • the non-destructive performance is good.
  • the solid-liquid two-phase fluid gradually advances forward in this pump without sudden changes in the flow direction, so the flow is more stable, and the damage to the conveyed material is less than other forms of unblocked impellers. High efficiency is also the characteristic of this impeller.
  • swirling impellers Compared with ordinary impellers, swirling impellers have a uniform flow rate due to the existence of swirling blades at the front end, and are more efficient than ordinary impurity pumps.
  • the suction performance is good. This kind of blade extends to the suction port. Even if the medium is easy to block the impeller, it can be effectively stirred. When the medium flow is unstable, it can also work stably to provide more efficient transmission. It can be used in complex environments. Under use. Thereby expanding the application range in the solid-liquid two-phase flow medium.
  • the new type of solid-liquid two-phase flow swirling impeller in the present invention includes a rear cover plate 1.
  • the rear cover plate 1 is the main supporting component of the present invention and the blades together form a flow channel, so the back cover plate 1 is provided with five identical And evenly distributed cylindrical blades 2, in the design of the cylindrical blades 2, the hydraulic performance is comprehensively considered, and the cylindrical blades 2 work to the transmission medium to increase the transmission efficiency.
  • the hub 3 can be effectively connected with the transmission shaft to transmit torque. Through comprehensive consideration of economic benefits and load-bearing performance, it can effectively ensure the transmission of mechanical work and torque, thereby ensuring that the force transmitted by the driving machine to the medium is more effectively transmitted to the conveying medium. Ensure the effective transmission of the medium.
  • the swirling blade 4 is the core part of the impeller. Through its effective work, it has greatly improved in terms of improving passing performance, increasing efficiency, and increasing the reliable operation of the pump.
  • the back blade 5 can reduce the pressure on the back of the blade and increase the sealing reliability of the rear end of the pump body.
  • the number of the cylindrical blades 2 is 5, and they are evenly distributed on the rear cover plate 1, which can give the liquid a greater centrifugal force, thereby realizing the high efficiency of liquid transmission speed.
  • the number of swirling blades 4 is 5, which is the core component for conveying solid-liquid two-phase flow media and increasing the passing capacity.
  • the swirling blades 4 can be used to ensure that the medium entering the blade channel is uniform, stable and guaranteed.
  • the impeller works effectively and the conveying efficiency is improved.
  • the hub 3 is the core component of mechanical work and transmission torque, which ensures the maximum transmission of driving torque to the liquid and ensures the effective work of the impeller.

Landscapes

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

Abstract

L'invention concerne une hélice du type à agitation à écoulement à deux phases liquide-solide, laquelle hélice comprend une plaque de couverture arrière (1), un moyeu de roue (3) étant relié de manière fixe au centre de la plaque de couverture arrière (1) ; plusieurs pales cylindriques (2) sont disposées de manière fixe sur un côté supérieur de la plaque de couverture arrière (1), et la partie supérieure de chacune des pales cylindriques (2) est reliée de manière fixe à une pale du type à écoulement tourbillonnant (4) ; et plusieurs pales arrière (5) sont reliées de manière fixe à un côté inférieur de la plaque de couverture arrière (1). Par rapport à d'autres formes d'hélices imbouchables, cette hélice peut délivrer la concentration avec de meilleures performances, elle a de bonnes performances non destructives, et elle est moins destructrice pour les matériaux transportés, elle a une efficacité élevée, et elle a un fonctionnement plus stable.
PCT/CN2019/123259 2019-02-21 2019-12-05 Hélice du type à agitation à écoulement à deux phases liquide-solide WO2020168782A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA2020/03839A ZA202003839B (en) 2019-02-21 2020-06-24 Solid-liquid two-phase fluid stirring impeller

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910130067.XA CN109779963A (zh) 2019-02-21 2019-02-21 一种固液两相流搅拌式叶轮
CN201910130067.X 2019-02-21

Publications (1)

Publication Number Publication Date
WO2020168782A1 true WO2020168782A1 (fr) 2020-08-27

Family

ID=66485894

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/123259 WO2020168782A1 (fr) 2019-02-21 2019-12-05 Hélice du type à agitation à écoulement à deux phases liquide-solide

Country Status (3)

Country Link
CN (1) CN109779963A (fr)
WO (1) WO2020168782A1 (fr)
ZA (1) ZA202003839B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109779963A (zh) * 2019-02-21 2019-05-21 三联泵业股份有限公司 一种固液两相流搅拌式叶轮
CN110319053A (zh) * 2019-08-12 2019-10-11 烟台阳光泵业有限公司 开式叶轮及使用开式叶轮的小流量高扬程单级离心泵
CN110925217A (zh) * 2019-11-29 2020-03-27 湖南工业大学 一种高填充木塑复合材料专用熔体泵

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854818A (en) * 1987-12-28 1989-08-08 Rockwell International Corporation Shrouded inducer pump
US6619910B1 (en) * 1998-12-04 2003-09-16 Warman International Limited Froth pumps
CN201292984Y (zh) * 2008-11-26 2009-08-19 四川川工泵业有限公司 专用于液固两相流体输送的叶轮
CN105927595A (zh) * 2016-06-28 2016-09-07 广州市拓道流体设备技术有限公司 一种抗气蚀渣浆泵
CN106438456A (zh) * 2016-09-27 2017-02-22 浙江理工大学 一种前端带螺旋结构的旋流泵叶轮及其设计方法
CN107100855A (zh) * 2017-06-05 2017-08-29 兰州理工大学 一种固液两相流泵
CN109779963A (zh) * 2019-02-21 2019-05-21 三联泵业股份有限公司 一种固液两相流搅拌式叶轮

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854818A (en) * 1987-12-28 1989-08-08 Rockwell International Corporation Shrouded inducer pump
US6619910B1 (en) * 1998-12-04 2003-09-16 Warman International Limited Froth pumps
CN201292984Y (zh) * 2008-11-26 2009-08-19 四川川工泵业有限公司 专用于液固两相流体输送的叶轮
CN105927595A (zh) * 2016-06-28 2016-09-07 广州市拓道流体设备技术有限公司 一种抗气蚀渣浆泵
CN106438456A (zh) * 2016-09-27 2017-02-22 浙江理工大学 一种前端带螺旋结构的旋流泵叶轮及其设计方法
CN107100855A (zh) * 2017-06-05 2017-08-29 兰州理工大学 一种固液两相流泵
CN109779963A (zh) * 2019-02-21 2019-05-21 三联泵业股份有限公司 一种固液两相流搅拌式叶轮

Also Published As

Publication number Publication date
ZA202003839B (en) 2022-01-26
CN109779963A (zh) 2019-05-21

Similar Documents

Publication Publication Date Title
WO2020168782A1 (fr) Hélice du type à agitation à écoulement à deux phases liquide-solide
CN106422845B (zh) 一种盖板式六直叶圆盘涡轮搅拌桨
CN201510847U (zh) 自吸式搅拌器
CN103041742B (zh) 搅拌叶轮、搅拌器和厌氧发酵罐
CN204294224U (zh) 一种自吸式搅拌装置
CN206715839U (zh) 一种基于多点复合空化的搅拌装置
CN202606062U (zh) 稀释型浆池浆塔搅拌器
CN217698885U (zh) 一种利用水动力配液的装置
CN202646143U (zh) 一种无堵塞旋流泵用的叶轮及无堵塞旋流泵
CN215789170U (zh) 一种带有搅拌功能的磁流变抛光用离心泵
CN201244459Y (zh) 一种多段逆流搅拌桨
CN201030294Y (zh) 橡胶屑-沥青混合料搅拌罐
CN202161958U (zh) 一种t型开启涡轮式搅拌器
CN209952664U (zh) 推进式搅拌叶轮泵
CN208702710U (zh) 泡沫渣浆泵
CN208268107U (zh) 一种叶轮片可调的两相流泵叶轮锻件
CN204522898U (zh) 一种搅拌器
CN107476985A (zh) 一种双吸碟片式离心泵
CN111997903A (zh) 一种用于深水多相流输送的一体化封装复合叶片圆盘泵
CN201049285Y (zh) 自力式动态混合器
CN217016241U (zh) 一种油田压裂暂堵剂连续混配设备
WO2024082984A1 (fr) Pompe à puits profond et structure de guidage d'écoulement associée
CN210048738U (zh) 一种微生物发酵装置
CN214553102U (zh) 一种暂堵转向剂加料输送设备
CN201704580U (zh) 紊流式桨叶

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19916144

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19916144

Country of ref document: EP

Kind code of ref document: A1