GB1439666A - Centrifugal pump for processing liquids containing abrasive constituents more particularly a sand pump or a waste-water pump - Google Patents

Centrifugal pump for processing liquids containing abrasive constituents more particularly a sand pump or a waste-water pump

Info

Publication number
GB1439666A
GB1439666A GB4185573A GB4185573A GB1439666A GB 1439666 A GB1439666 A GB 1439666A GB 4185573 A GB4185573 A GB 4185573A GB 4185573 A GB4185573 A GB 4185573A GB 1439666 A GB1439666 A GB 1439666A
Authority
GB
United Kingdom
Prior art keywords
pump
impeller
leakage
centrifugal
liquid
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.)
Expired
Application number
GB4185573A
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.)
Neratoom BV
Original Assignee
Neratoom BV
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 Neratoom BV filed Critical Neratoom BV
Priority to GB4185573A priority Critical patent/GB1439666A/en
Publication of GB1439666A publication Critical patent/GB1439666A/en
Expired 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/443—Free-space packings provided with discharge channels

Abstract

1439666 Stuffing box substitutes NERATOOM BV 5 Sept 1973 41855/73 Heading F2B Sealing areas between the suction and delivery sides of a centrifugal pump impeller pumping liquids with abrasive consituents-, are shielded from the abrasive material by centrifugal means operating on liquid leaking through the areas, to eject the material in that liquid towards the delivery side. Leakage paths are formed between sleeves 11, 12 on the housing, Fig. 2, and sleeves 9, 10 on the impeller, the leakage liquid being set into rotation in annular channels 14, 21 which communicate with radial ducts 15, 22 through which the abrasives are ejected to the delivery side. In a more elaborate arrangement, Fig. 3, additional radial ducts 31, 39 open out at the periphery of the impeller and by-pass passages 32, 41 are provided in the housing sleeve portion 24, 34. The free axial end of the impeller sleeve 23 may have serrations, Figs. 4-6 (not shown) to give a preliminary swirling motion to fluid entering the leakage path 25. The seals may serve as bearings in the Fig. 3 arrangement.
GB4185573A 1973-09-05 1973-09-05 Centrifugal pump for processing liquids containing abrasive constituents more particularly a sand pump or a waste-water pump Expired GB1439666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4185573A GB1439666A (en) 1973-09-05 1973-09-05 Centrifugal pump for processing liquids containing abrasive constituents more particularly a sand pump or a waste-water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4185573A GB1439666A (en) 1973-09-05 1973-09-05 Centrifugal pump for processing liquids containing abrasive constituents more particularly a sand pump or a waste-water pump

Publications (1)

Publication Number Publication Date
GB1439666A true GB1439666A (en) 1976-06-16

Family

ID=10421656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4185573A Expired GB1439666A (en) 1973-09-05 1973-09-05 Centrifugal pump for processing liquids containing abrasive constituents more particularly a sand pump or a waste-water pump

Country Status (1)

Country Link
GB (1) GB1439666A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260234A2 (en) * 1986-09-12 1988-03-16 Atlas Copco Aktiebolag Improved labyrinth seal
DE4302492A1 (en) * 1993-01-29 1994-08-04 Klein Schanzlin & Becker Ag Split ring seal
EP3321510A1 (en) * 2016-11-11 2018-05-16 Myung HWA Ind. Co., Ltd. Water pump
CN114483606A (en) * 2020-11-11 2022-05-13 中国石油化工股份有限公司 Centrifugal compressor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260234A2 (en) * 1986-09-12 1988-03-16 Atlas Copco Aktiebolag Improved labyrinth seal
EP0260234A3 (en) * 1986-09-12 1989-12-27 Atlas Copco Aktiebolag Improved labyrinth seal
DE4302492A1 (en) * 1993-01-29 1994-08-04 Klein Schanzlin & Becker Ag Split ring seal
EP3321510A1 (en) * 2016-11-11 2018-05-16 Myung HWA Ind. Co., Ltd. Water pump
JP2018076866A (en) * 2016-11-11 2018-05-17 ミュン ファ インダストリー カンパニー リミテッドＭｙｕｎｇ Ｈｗａ Ｉｎｄ． Ｃｏ．， Ｌｔｄ． water pump
CN108071609A (en) * 2016-11-11 2018-05-25 明和工业株式会社 Water pump
CN114483606A (en) * 2020-11-11 2022-05-13 中国石油化工股份有限公司 Centrifugal compressor
CN114483606B (en) * 2020-11-11 2024-03-26 中国石油化工股份有限公司 Centrifugal compressor

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees