GB1519644A - Apparatus for circulating and gasifying a liquid - Google Patents

Apparatus for circulating and gasifying a liquid

Info

Publication number
GB1519644A
GB1519644A GB37089/75A GB3708975A GB1519644A GB 1519644 A GB1519644 A GB 1519644A GB 37089/75 A GB37089/75 A GB 37089/75A GB 3708975 A GB3708975 A GB 3708975A GB 1519644 A GB1519644 A GB 1519644A
Authority
GB
United Kingdom
Prior art keywords
vanes
tube
central column
secured
openings
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
GB37089/75A
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.)
ENGINEERING TECHNICAL SERVICES
Original Assignee
ENGINEERING TECHNICAL SERVICES
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 ENGINEERING TECHNICAL SERVICES filed Critical ENGINEERING TECHNICAL SERVICES
Priority to GB37089/75A priority Critical patent/GB1519644A/en
Publication of GB1519644A publication Critical patent/GB1519644A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/223—Activated sludge processes using circulation pipes using "air-lift"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B01F23/23231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit
    • B01F23/232311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit the conduits being vertical draft pipes with a lower intake end and an upper exit end
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/3203—Gas driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/32015—Flow driven
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

1519644 Mixing apparatus ENGINEERING TECHNICAL SERVICES Ltd 19 Oct 1976 [9 Sept 1975] 37089/75 Heading B1C An apparatus for circulating and gasifying a body of liquid 10 comprises a tortuous passage extending longitudinally through an open ended tube 13 and a gas bubble generator 15 disposed at the lower end of the tube, the passage being defined by the tube wall and a number of flat vanes 16a and 16b. The vanes may be provided at the lower portion only of the tube (Fig. 4 not shown). The vanes 16a and 16b may form dihedral angles of 30‹ and 45‹ respectively. Each tube comprises a central column 14 to which the vanes are secured and in which holes 15 of the bubble generator are disposed. Non- return valves may be provided in the openings. In a modification (Figs. 3 and 5 not shown), the vanes are secured to a sleeve (14a) releasably secured to the central column by a bayonet connection. Gas is passed downwardly through the central column and passes through openings 15 in both the central column and the sleeve. Nine tubes (13A-131) (Fig. 6, not shown) may be provided. The apparatus may be made of polythene, polypropylene, unplasticised P.V.C., stainless steel or mild steel and may be used for aeration of sewage and fresh water where there is no natural flow circulation.
GB37089/75A 1976-10-19 1976-10-19 Apparatus for circulating and gasifying a liquid Expired GB1519644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB37089/75A GB1519644A (en) 1976-10-19 1976-10-19 Apparatus for circulating and gasifying a liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB37089/75A GB1519644A (en) 1976-10-19 1976-10-19 Apparatus for circulating and gasifying a liquid

Publications (1)

Publication Number Publication Date
GB1519644A true GB1519644A (en) 1978-08-02

Family

ID=10393640

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37089/75A Expired GB1519644A (en) 1976-10-19 1976-10-19 Apparatus for circulating and gasifying a liquid

Country Status (1)

Country Link
GB (1) GB1519644A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4863644A (en) * 1988-11-04 1989-09-05 Enviroquip, Inc. Gas diffuser
US4938899A (en) * 1988-09-30 1990-07-03 Oros Leo J Gas diffusion system
US5032324A (en) * 1986-11-06 1991-07-16 Giacinto Petrillo High yield air diffuser for tanks used in the aerobic treatment of waste waters
GR1001431B (en) * 1992-11-17 1993-11-30 Chourdakis Antonis Fine bubble static aerator.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5032324A (en) * 1986-11-06 1991-07-16 Giacinto Petrillo High yield air diffuser for tanks used in the aerobic treatment of waste waters
US4938899A (en) * 1988-09-30 1990-07-03 Oros Leo J Gas diffusion system
US4863644A (en) * 1988-11-04 1989-09-05 Enviroquip, Inc. Gas diffuser
GR1001431B (en) * 1992-11-17 1993-11-30 Chourdakis Antonis Fine bubble static aerator.

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee