ATE53415T1 - VACUUM DRAINAGE SYSTEM. - Google Patents

VACUUM DRAINAGE SYSTEM.

Info

Publication number
ATE53415T1
ATE53415T1 AT87104283T AT87104283T ATE53415T1 AT E53415 T1 ATE53415 T1 AT E53415T1 AT 87104283 T AT87104283 T AT 87104283T AT 87104283 T AT87104283 T AT 87104283T AT E53415 T1 ATE53415 T1 AT E53415T1
Authority
AT
Austria
Prior art keywords
vacuum
vacuum conduit
water
extraction valve
air
Prior art date
Application number
AT87104283T
Other languages
German (de)
Inventor
Harald Michael
Original Assignee
Harald Michael
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 Harald Michael filed Critical Harald Michael
Application granted granted Critical
Publication of ATE53415T1 publication Critical patent/ATE53415T1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/006—Pneumatic sewage disposal systems; accessories specially adapted therefore

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)
  • Drying Of Solid Materials (AREA)
  • Refuse Collection And Transfer (AREA)

Abstract

1. A vacuum drainage installation having one or more collection tanks in which an underpressure prevails and to which are connected vacuum conduits (10) which are laid alternately ascending and descending and to which connecting ducts of the units to be drained are connected via a respective extraction valve, normal pressure prevailing in said connecting ducts, which extraction valve is opened automatically when a given amount of water of from 5 to 40 litres has accumulated upstream thereof, and which during each opening operation admits air together with the waste water into the vacuum conduit (10), wherein at least one venting aperture (34), which is controlled by a control device as a function of the water level or pressure at a given location of the vacuum conduit (10), is provided in the vacuum conduit (10), characterised in that the aperture width of the venting aperture (34) can be controlled continuously or in a plurality of stages within a range in which such small quantities of air are admitted that said air bubbles through water columns present in the vacuum conduit (10).
AT87104283T 1986-08-23 1987-03-24 VACUUM DRAINAGE SYSTEM. ATE53415T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863628725 DE3628725A1 (en) 1986-08-23 1986-08-23 VACUUM DRAINAGE SYSTEM
EP87104283A EP0258525B1 (en) 1986-08-23 1987-03-24 Vacuum dewatering installation

Publications (1)

Publication Number Publication Date
ATE53415T1 true ATE53415T1 (en) 1990-06-15

Family

ID=6308075

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87104283T ATE53415T1 (en) 1986-08-23 1987-03-24 VACUUM DRAINAGE SYSTEM.

Country Status (3)

Country Link
EP (1) EP0258525B1 (en)
AT (1) ATE53415T1 (en)
DE (2) DE3628725A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4020062A1 (en) * 1990-06-23 1992-01-09 Harald Michael Removal of waste water by suction pipe - which has holes for injection of air to form air bubbles for lifting effect
JP3869573B2 (en) * 1998-05-06 2007-01-17 積水化学工業株式会社 Vacuum sewage system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3730884A (en) * 1971-04-02 1973-05-01 B Burns Method and apparatus for conveying sewage
DE2637962C3 (en) * 1976-08-24 1980-07-10 Electrolux Gmbh, 2000 Hamburg Process for discharging the waste water from a large number of house connections by means of negative pressure
JPS591970A (en) * 1982-06-25 1984-01-07 株式会社日立製作所 Controller for flow rate of refrigerant

Also Published As

Publication number Publication date
DE3763090D1 (en) 1990-07-12
EP0258525A2 (en) 1988-03-09
EP0258525B1 (en) 1990-06-06
EP0258525A3 (en) 1988-10-05
DE3628725A1 (en) 1988-02-25

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Legal Events

Date Code Title Description
EEIH Change in the person of patent owner
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee