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WO2018013010A1 - Équipement de pompe centrifuge à étage unique - Google Patents

Équipement de pompe centrifuge à étage unique Download PDF

Info

Publication number
WO2018013010A1
WO2018013010A1 PCT/RU2017/000500 RU2017000500W WO2018013010A1 WO 2018013010 A1 WO2018013010 A1 WO 2018013010A1 RU 2017000500 W RU2017000500 W RU 2017000500W WO 2018013010 A1 WO2018013010 A1 WO 2018013010A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
impeller
spiral
pumping unit
housing
Prior art date
Application number
PCT/RU2017/000500
Other languages
English (en)
Russian (ru)
Inventor
Владимир Иванович КУШНАРЕВ
Иван Владимирович КУШНАРЕВ
Юрий Сергеевич ОБОЗНЫЙ
Original Assignee
Общество с ограниченной ответственностью "Нефтекамский машиностроительный завод" (ООО "НКМЗ")
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 Общество с ограниченной ответственностью "Нефтекамский машиностроительный завод" (ООО "НКМЗ") filed Critical Общество с ограниченной ответственностью "Нефтекамский машиностроительный завод" (ООО "НКМЗ")
Priority to US16/317,562 priority Critical patent/US20190242401A1/en
Priority to NZ750655A priority patent/NZ750655A/en
Priority to CA3036362A priority patent/CA3036362A1/fr
Priority to EA201900061A priority patent/EA035529B1/ru
Priority to EP17828042.6A priority patent/EP3486500A4/fr
Priority to JP2019501616A priority patent/JP6810240B2/ja
Priority to AU2017295552A priority patent/AU2017295552A1/en
Priority to BR112019000595-1A priority patent/BR112019000595A2/pt
Priority to MX2019000518A priority patent/MX2019000518A/es
Publication of WO2018013010A1 publication Critical patent/WO2018013010A1/fr
Priority to AU2020273342A priority patent/AU2020273342A1/en

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
    • F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-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
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • 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
    • F04D29/2238—Special flow patterns
    • 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
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid 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
    • 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
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid 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
    • F04D29/2205—Conventional flow pattern
    • F04D29/2222—Construction and assembly
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/61—Assembly methods using limited numbers of standard modules which can be adapted by machining

Definitions

  • the invention relates to the field of mechanical engineering, namely to pumping units intended for pumping water, aqueous solutions, as well as oil, oil products and similar liquids through main, technological and auxiliary pipelines.
  • centrifugal horizontal single-stage pumps of the NM type are known for pumping oil through main pipelines, including a casing with a spiral by a branch, and, located in the case, the impeller of a bilateral entrance.
  • the use of a spiral outlet in them is aimed at reducing the radial forces acting on the rotor, and, accordingly, at reducing vibrations and increasing the reliability of the pump, however, when such a pump is operated at feeds below nominal, pressure pulsations and pump vibrations increase, which leads to a significant decrease in its efficiency and reliability.
  • centrifugal pumps use replaceable impellers designed for corresponding reduced or increased feeds, but despite the fact that replacing the impellers leads to a slight change in the fluid flow pattern and a slight increase in pump efficiency in the corresponding modes other than nominal, and some increase reliability of its operation in comparison with the operation of a pump with a wheel for rated operation, this measure is insufficient, since the design of the pump also provides of only one spiral tap, calculated only for the rated mode, which entails a loss of energy due to its interaction with the impeller, designed for a mode other than
  • Patent RU 57393 U1 describes a centrifugal pump with an impeller of a two-way inlet, including a spiral outlet formed by cavities in the lid and in the housing, as well as a replaceable guide vane with 4 proposed design options. It is noted that the use of a guide vane in a replaceable unit with a double-sided impeller allows maximum efficiency in the feed range from 0.3 Q H0M to 1, 25 Q H0M providing the required pressure, minimum radial forces and vibrations, because when calculating this block for the given parameters, the optimal flow part is obtained.
  • the inlet and outlet in each described structural embodiment are designed for maximum feed, the input conditions of each impeller are consistent with the output conditions of the inlet, and the output conditions of each guide vane with the same spiral outlet, which is made in the form of cavities in the lid and case, which determines the same disadvantages as described above associated with the use of the same spiral outlet, because liquid energy is converted over the entire length of the outlet, which, in turn, is designed not for optimal, but for maximum supply.
  • Even with optimal interaction between the impeller and the guide vane in such a pump energy losses are inevitable, because after the fluid has passed through the impeller and the guide vane, it enters a tap designed for only one mode.
  • the technical result of the present invention is the creation of a single-stage centrifugal pump unit with the highest possible efficiency in modes other than nominal, while simplifying its design and giving it versatility.
  • the single-stage centrifugal pump unit includes a centrifugal single-stage pump of a two-way input, a drive motor, a coupling connecting their shafts, a support frame for mounting the pump housing and the electric motor, a housing consisting of a base and a cover, an inlet and outlet nozzle , a rotor with an impeller installed in the thrust bearings, and a spiral outlet, Moreover, according to the invention, the spiral outlet is made as a separate independent part whether, and the parts of its outer surface intended for placement in the lid and case made in the lodgements for this correspond to the shape of the surfaces of these lodgements, the impeller and the spiral outlet made in pairs replaceable, and the parameters of the impeller and spiral outlet in each pair are calculated at the maximum value efficiency (maximum efficiency) while ensuring the required flow and pressure. It is preferable to make replaceable spiral bends cast in the form of a single cast part with a dividing wall
  • the invention is illustrated by the following graphic materials.
  • Figure 1 shows a General view of a single-stage centrifugal pump unit
  • figure 2 shows a section of the pump along the axis of the pipeline in a vertical plane
  • Fig. 3 shows a schematic layout of a cover, a replaceable flow part and a pump casing in a section along the axis of the pipeline in a vertical plane
  • figure 4 shows possible embodiments of interchangeable spiral bends with a constant external connecting profile and various internal hydrodynamic profile, designed for optimal operation and maximum efficiency.
  • a single-stage centrifugal pump unit includes a drive motor 2, a centrifugal single-stage pump 1 of a two-way input (hereinafter pump), a coupling 3 connecting their output shafts, a pump casing 17, consisting of a base 6 and a cover 7,
  • SUBSTITUTE SHEET (RULE 26) the inlet pipe 8 and the outlet pipe 9, the rotor 10 with the impeller 1 1, and mounted in the thrust bearings 12, a spiral bend 13, a support frame 5 for mounting the pump housing 17 and the motor 2.
  • the spiral bend 13 is made in the form of a separate independent part, and the parts of its external surface, intended for placement in the made tool holders 14 and 15 of the base 6 and the cover 7, correspond to the shape of the surfaces of these tool holders 14 and 15.
  • the impeller 1 1 and the spiral bend 13 are pairwise interchangeable , etc whereby the parameters of the impeller 1 1 and the spiral outlet 13 in each pair are calculated at the maximum value of efficiency while ensuring the required flow and pressure. It is preferable to make replaceable spiral bends 13 cast, they may contain a dividing wall 16 for dividing the fluid flow in the direction of travel.
  • the pump operates in the same way as other well-known centrifugal single-stage double-entry pumps.
  • the shaft 4 of the pump When the shaft 4 of the pump is rotated, the pumped medium through the inlet pipe 8 enters the impeller 1 1, as a result of the interaction of the blades of which with the flow of the pumped medium, the drive energy is converted into flow energy.
  • the impeller 1 1 From the impeller 1 1, the pumped medium enters a spiral outlet, where the flow is balanced, and then through the outlet pipe to the pipeline.
  • the advantage of the claimed invention regarding the possibility of using the same housing to obtain pumps with different characteristics is determined by the fact that the pump is a basic part and is a complex casting made of carbon or stainless steel, consisting essentially of a housing and a cover. Therefore, in the event of a change in the operating conditions of the pump (a decrease in pressure on an existing line, or a change in flow rate through an existing line), there is no need to ineffectively use an existing pump, or dismantle it and install a new one designed for new conditions. It is enough to install a new impeller-outlet pair, designed for new operating conditions, in an existing housing and get a pump with new corresponding design
  • impellers implemented in the pump, to use them in the optimal mode, allows to extend the life of the entire pump, because impellers are quickly wearing parts, and they can be made of expensive high-strength wear-resistant materials, for example, steel 20X13, 12X18H12MZTL, or similar steels and materials.
  • the pump housing connector is horizontal, it is possible to open, inspect, repair, replace individual parts of the pump and the entire rotor without dismantling the pipelines, as the pressure and suction nozzles of the pump are connected to the bottom of the pump housing.
  • the present invention in the presented set of features can be applied to create a single-stage centrifugal pump unit with maximum efficiency in modes other than nominal, while simplifying its design, giving it versatility, durability, and ease of use.

Landscapes

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

Abstract

L'équipement de pompe centrifuge à étage unique comprend une pompe d'entrée double avec un corps constitué d'une base et d'un couvercle, des tubulures, un rotor et une évacuation en spirale. L'évacuation en spirale se présente comme une pièce séparée indépendante. Des parties de sa surface externe prévues pour accueillir dans les logements spécialement ménagés dans le couvercle et le corps correspondent à la forme des surfaces de ces logements. Une roue d'impulseur et l'évacuation en spirale sont amovibles deux par deux. Les paramètres de la roue d'impulseur et de l'évacuation en spirale dans chaque paire sont calculés pour avoir une valeur d'efficacité maximale et assurer l'amenée et la pression désirées. L'invention vise à créer un équipement de pompe possédant un facteur de mérite maximal dans des modes qui diffèrent du mode nominal et simplifier la conception tout y conférant un caractère universel.
PCT/RU2017/000500 2016-07-13 2017-07-07 Équipement de pompe centrifuge à étage unique WO2018013010A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US16/317,562 US20190242401A1 (en) 2016-07-13 2017-07-07 Single-stage centrifugal pumping unit
NZ750655A NZ750655A (en) 2016-07-13 2017-07-07 Single-stage centrifugal pumping unit
CA3036362A CA3036362A1 (fr) 2016-07-13 2017-07-07 Equipement de pompe centrifuge a etage unique
EA201900061A EA035529B1 (ru) 2016-07-13 2017-07-07 Одноступенчатый центробежный насосный агрегат
EP17828042.6A EP3486500A4 (fr) 2016-07-13 2017-07-07 Équipement de pompe centrifuge à étage unique
JP2019501616A JP6810240B2 (ja) 2016-07-13 2017-07-07 単段遠心ポンピングユニット
AU2017295552A AU2017295552A1 (en) 2016-07-13 2017-07-07 Single-stage centrifugal pumping unit
BR112019000595-1A BR112019000595A2 (pt) 2016-07-13 2017-07-07 unidade de bombeamento centrífugo de estado único
MX2019000518A MX2019000518A (es) 2016-07-13 2017-07-07 Unidad de bombeo centrifuga de una etapa.
AU2020273342A AU2020273342A1 (en) 2016-07-13 2020-11-20 Single-stage centrifugal pumping unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2016128485 2016-07-13
RU2016128485A RU2616328C1 (ru) 2016-07-13 2016-07-13 Одноступенчатый центробежный насосный агрегат

Publications (1)

Publication Number Publication Date
WO2018013010A1 true WO2018013010A1 (fr) 2018-01-18

Family

ID=58643010

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2017/000500 WO2018013010A1 (fr) 2016-07-13 2017-07-07 Équipement de pompe centrifuge à étage unique

Country Status (12)

Country Link
US (1) US20190242401A1 (fr)
EP (1) EP3486500A4 (fr)
JP (1) JP6810240B2 (fr)
AU (2) AU2017295552A1 (fr)
BR (1) BR112019000595A2 (fr)
CA (1) CA3036362A1 (fr)
CL (1) CL2019000088A1 (fr)
EA (1) EA035529B1 (fr)
MX (1) MX2019000518A (fr)
NZ (1) NZ750655A (fr)
RU (1) RU2616328C1 (fr)
WO (1) WO2018013010A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU175617U1 (ru) * 2017-05-03 2017-12-12 Акционерное общество (АО) "Научно-исследовательский институт "Лопастных машин" ("НИИ ЛМ") Корпус насоса с разъемом в плоскости параллельной оси ротора
RU2672239C1 (ru) * 2017-09-01 2018-11-12 Акционерное общество "ГМС Ливгидромаш" Центробежный одноступенчатый насос
RU185455U1 (ru) * 2018-06-14 2018-12-05 Публичное акционерное общество "Транснефть" (ПАО "Транснефть") Насос нефтяной магистральный с однозавитковым отводом и направляющим аппаратом
RU195473U9 (ru) * 2018-08-17 2020-03-20 Общество с ограниченной ответственностью "Нефтекамский машиностроительный завод" (ООО "НКМЗ") Вертикальный центробежный электронасосный агрегат со сменными проточными частями
RU2713309C1 (ru) * 2019-03-27 2020-02-04 Общество С Ограниченной Ответственностью "Нефтекамский Машиностроительный Завод" Вертикальный одноступенчатый центробежный насос
RU193781U1 (ru) * 2019-04-02 2019-11-14 Публичное акционерное общество "Транснефть" (ПАО "Транснефть") Одноступенчатый центробежный насос двухстороннего входа
RU206998U1 (ru) * 2021-03-09 2021-10-06 Акционерное общество (АО) "Турбонасос" Корпус центробежного насоса

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RU57393U1 (ru) * 2006-04-17 2006-10-10 Открытое акционерное общество "Научно-исследовательский и проектно-конструкторский институт атомного и энергетического насосостроения" (ОАО "ВНИИАЭН") Центробежный насос с рабочим колесом двустороннего входа
CN102808773A (zh) * 2012-08-22 2012-12-05 合肥工业大学 一种可更换组合内衬的泵
CN203978852U (zh) * 2014-05-28 2014-12-03 姜堰市德华船用泵业制造有限公司 可换蜗壳式船用自吸离心泵

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US2955540A (en) * 1957-05-27 1960-10-11 Worthington Corp Twin volute pump
US4786230A (en) * 1984-03-28 1988-11-22 Thut Bruno H Dual volute molten metal pump and selective outlet discriminating means
EP1766235B1 (fr) * 2004-07-13 2017-04-19 Energy Recovery, Inc. Turbocompresseur à suralimentation hydraulic
GB0419984D0 (en) * 2004-09-09 2004-10-13 Weir Pumps Ltd Pump assembly
EP2607703B1 (fr) * 2011-12-22 2014-06-18 Grundfos Holding A/S Pompe centrifuge

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RU57393U1 (ru) * 2006-04-17 2006-10-10 Открытое акционерное общество "Научно-исследовательский и проектно-конструкторский институт атомного и энергетического насосостроения" (ОАО "ВНИИАЭН") Центробежный насос с рабочим колесом двустороннего входа
CN102808773A (zh) * 2012-08-22 2012-12-05 合肥工业大学 一种可更换组合内衬的泵
CN203978852U (zh) * 2014-05-28 2014-12-03 姜堰市德华船用泵业制造有限公司 可换蜗壳式船用自吸离心泵

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See also references of EP3486500A4 *

Also Published As

Publication number Publication date
AU2020273342A1 (en) 2020-12-17
MX2019000518A (es) 2019-08-16
EA201900061A1 (ru) 2019-06-28
CL2019000088A1 (es) 2019-08-30
EP3486500A1 (fr) 2019-05-22
BR112019000595A2 (pt) 2019-04-24
CA3036362A1 (fr) 2018-01-18
AU2017295552A1 (en) 2019-03-07
EP3486500A4 (fr) 2020-03-11
EA035529B1 (ru) 2020-06-30
JP2019521282A (ja) 2019-07-25
US20190242401A1 (en) 2019-08-08
NZ750655A (en) 2020-06-26
JP6810240B2 (ja) 2021-01-06
RU2616328C1 (ru) 2017-04-14

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