ZA854989B - Surge control system - Google Patents

Surge control system

Info

Publication number
ZA854989B
ZA854989B ZA854989A ZA854989A ZA854989B ZA 854989 B ZA854989 B ZA 854989B ZA 854989 A ZA854989 A ZA 854989A ZA 854989 A ZA854989 A ZA 854989A ZA 854989 B ZA854989 B ZA 854989B
Authority
ZA
South Africa
Prior art keywords
surge
control system
centrifugal exhauster
drive motor
suction pipe
Prior art date
Application number
ZA854989A
Inventor
Joseph A Bolton
Phillip L Adamczyk
Original Assignee
Albany Int Corp
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 Albany Int Corp filed Critical Albany Int Corp
Publication of ZA854989B publication Critical patent/ZA854989B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts
    • D21F7/12—Drying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/10—Purpose of the control system to cope with, or avoid, compressor flow instabilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Paper (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Control Of Eletrric Generators (AREA)
  • Buffer Packaging (AREA)
  • Centrifugal Separators (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Measuring Volume Flow (AREA)
  • Drying Of Solid Materials (AREA)
  • Filtration Of Liquid (AREA)
  • Making Paper Articles (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

A surge control system for dewatering press felts on a papermaking machine which includes a suction pipe (12), a variable speed drive motor (38), a centrifugal exhauster (26) driven by the variable speed drive motor and connected to the suction pipe to provide vacuum to a felt (14) passing over a slot (18) for dewatering thereof. A surge valve (28) is provided and is opened to admit air to the centrifugal exhauster (26) so as to prevent surge when the centrifugal exhauster is operating at a predetermined level at which the centrifugal exhauster will surge.
ZA854989A 1984-10-26 1985-07-02 Surge control system ZA854989B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66502684A 1984-10-26 1984-10-26

Publications (1)

Publication Number Publication Date
ZA854989B true ZA854989B (en) 1986-05-28

Family

ID=24668408

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA854989A ZA854989B (en) 1984-10-26 1985-07-02 Surge control system

Country Status (10)

Country Link
EP (1) EP0179658B1 (en)
JP (1) JPS61108790A (en)
KR (1) KR920000753B1 (en)
AT (1) ATE43377T1 (en)
AU (1) AU570120B2 (en)
CA (1) CA1251673A (en)
DE (1) DE3570470D1 (en)
FI (1) FI81147C (en)
NO (1) NO167219C (en)
ZA (1) ZA854989B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI125258B (en) * 2010-07-19 2015-08-14 Runtech Systems Oy Method of controlling a vacuum centrifugal fan with adjustable rotational speed
US8961149B2 (en) 2010-07-19 2015-02-24 Runtech Systems Oy Method for controlling a regulated-rotation-speed low-pressure centrifugal fan
CN102337558B (en) * 2011-11-03 2013-12-11 北京化工大学 Method for installing and sealing oxygen diffusion electrode of ionic membrane electrolytic cell

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4734896U (en) * 1971-05-08 1972-12-18
US4329201A (en) * 1979-12-06 1982-05-11 Albany International Corp. Constant vacuum felt dewatering system
US4308077A (en) * 1979-12-06 1981-12-29 Albany International Corp. Constant flow felt dewatering system
US4398996A (en) * 1981-06-19 1983-08-16 Albany International Corp. Vacuum control system and method for dewatering fabrics
US4493608A (en) * 1982-12-27 1985-01-15 General Electric Company Surge control in compressor

Also Published As

Publication number Publication date
JPS61108790A (en) 1986-05-27
AU4389585A (en) 1986-05-01
NO854284L (en) 1986-04-28
AU570120B2 (en) 1988-03-03
EP0179658A3 (en) 1987-01-28
EP0179658A2 (en) 1986-04-30
JPH032992B2 (en) 1991-01-17
FI81147B (en) 1990-05-31
NO167219C (en) 1991-10-16
FI81147C (en) 1990-09-10
ATE43377T1 (en) 1989-06-15
KR920000753B1 (en) 1992-01-21
KR860003385A (en) 1986-05-23
NO167219B (en) 1991-07-08
FI852589L (en) 1986-04-27
FI852589A0 (en) 1985-06-28
CA1251673A (en) 1989-03-28
DE3570470D1 (en) 1989-06-29
EP0179658B1 (en) 1989-05-24

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