RU2015128704A - SCREW CENTRIFUGAL PUMP - Google Patents

SCREW CENTRIFUGAL PUMP Download PDF

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Publication number
RU2015128704A
RU2015128704A RU2015128704A RU2015128704A RU2015128704A RU 2015128704 A RU2015128704 A RU 2015128704A RU 2015128704 A RU2015128704 A RU 2015128704A RU 2015128704 A RU2015128704 A RU 2015128704A RU 2015128704 A RU2015128704 A RU 2015128704A
Authority
RU
Russia
Prior art keywords
cavity
impeller
drain
cover
centrifugal pump
Prior art date
Application number
RU2015128704A
Other languages
Russian (ru)
Other versions
RU2614299C2 (en
Inventor
Борис Матвеевич Конторович
Дмитрий Владимирович Кучумов
Инна Александровна Половникова
Евгений Радикович Шагиев
Анатолий Иванович Дмитренко
Юрий Васильевич Демьяненко
Валерий Константинович Першин
Алина Анатольевна Распопова
Original Assignee
Открытое акционерное общество "СТАР"
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 Открытое акционерное общество "СТАР" filed Critical Открытое акционерное общество "СТАР"
Priority to RU2015128704A priority Critical patent/RU2614299C2/en
Publication of RU2015128704A publication Critical patent/RU2015128704A/en
Application granted granted Critical
Publication of RU2614299C2 publication Critical patent/RU2614299C2/en

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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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/041—Axial thrust balancing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock

Landscapes

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

Claims (3)

1. Шнекоцентробежный насос, содержащий корпус с подводом и отводом насоса, крышку, крыльчатку, шнек, уплотнение вала, несущий диск крыльчатки с уплотнением, разгрузочные отверстия в несущем диске крыльчатки и разгрузочную полость, ограниченную уплотнением несущего диска и втулкой крыльчатки, и разгрузочные отверстия в несущем диске, соединяющие разгрузочную полость с полостью на входе в крыльчатку, отличающийся тем, что между несущим диском крыльчатки и крышкой установлена перегородка, образующая со стороны крышки полость высокого давления, соединенную каналами в периферийной части с отводом насоса и в нижней части с разделительной полостью, ограниченной двумя щелевыми уплотнениями втулки крыльчатки, и полость слива после щелевого уплотнения с каналами слива в крышке.1. A screw centrifugal pump comprising a housing with inlet and outlet of the pump, a cover, an impeller, an auger, a shaft seal, an impeller bearing disc with a seal, discharge openings in the impeller support disk and an unloading cavity limited by the support disk seal and the impeller bushing, and discharge openings in a carrier disk connecting the discharge cavity with a cavity at the entrance to the impeller, characterized in that a partition is formed between the carrier disk of the impeller and the cover, forming a high-pressure cavity on the side of the cover Nia connected channels at the peripheral portion with a branch of the pump and the bottom of a separation cavity bounded by the two vane seals slotted sleeve, and a cavity after the drain slit seal in the cover drain channels. 2. Шнекоцентробежный насос по п. 1, отличающийся тем, что полость слива соединена с окружающей средой каналами слива в крышке.2. The screw centrifugal pump according to claim 1, characterized in that the drain cavity is connected to the environment by drain channels in the lid. 3. Шнекоцентробежный насос по п. 1, отличающийся тем, что полость слива соединена каналами слива в крышке с магистралью гидравлической системы, в которой используется насос.3. The screw centrifugal pump according to claim 1, characterized in that the drain cavity is connected by drain channels in the lid to the main line of the hydraulic system in which the pump is used.
RU2015128704A 2015-07-14 2015-07-14 Centrifugal screw pump RU2614299C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015128704A RU2614299C2 (en) 2015-07-14 2015-07-14 Centrifugal screw pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015128704A RU2614299C2 (en) 2015-07-14 2015-07-14 Centrifugal screw pump

Publications (2)

Publication Number Publication Date
RU2015128704A true RU2015128704A (en) 2017-01-23
RU2614299C2 RU2614299C2 (en) 2017-03-24

Family

ID=58450853

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2015128704A RU2614299C2 (en) 2015-07-14 2015-07-14 Centrifugal screw pump

Country Status (1)

Country Link
RU (1) RU2614299C2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE497595C (en) * 1930-05-09 Aeg Single suction centrifugal pump
SU1060808A2 (en) * 1981-03-20 1983-12-15 Предприятие П/Я А-1528 Centrifugal pump
SU1208320A2 (en) * 1984-08-15 1986-01-30 Предприятие П/Я Г-4634 Centrofugal inclined archimedean screw pump
US5061151A (en) * 1990-02-22 1991-10-29 Sundstrand Corporation Centrifugal pump system with liquid ring priming pump

Also Published As

Publication number Publication date
RU2614299C2 (en) 2017-03-24

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