GB1495764A - Method of and apparatus for maintaining an ecological balance in a closed water system - Google Patents

Method of and apparatus for maintaining an ecological balance in a closed water system

Info

Publication number
GB1495764A
GB1495764A GB16869/75A GB1686975A GB1495764A GB 1495764 A GB1495764 A GB 1495764A GB 16869/75 A GB16869/75 A GB 16869/75A GB 1686975 A GB1686975 A GB 1686975A GB 1495764 A GB1495764 A GB 1495764A
Authority
GB
United Kingdom
Prior art keywords
water
pipe
ecological balance
radiator
april
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
GB16869/75A
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.)
HAFSLUND P
Original Assignee
HAFSLUND P
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 HAFSLUND P filed Critical HAFSLUND P
Publication of GB1495764A publication Critical patent/GB1495764A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

1495764 Biological water treatment P HAFSLUND and K HAGQUIST 23 April 1975 [25 April 1974] 16869/75 Heading C1C [Also in Divisions Al and B1] A closed water system, e.g. aquarium or swimming-pool, is maintained in ecological balance by passing the water through a layer 4 of material chosen according to the environment which is to be simulated, e.g. for a sea environment, sea-bed material is used. This layer 4 is supported on a perforated calcareous screening-plate 3 and it filters the water biochemically and converts nitrogenous waste to inorganic salts, any excess of which is removed in turn by green algae which are encouraged to grow by using lights 5. Thus no waste matter need be removed from the system. After passing through the material 4, some of the water then flows via a perforated pipe 9, through a heat exchanger coil 10 surrounded by a cooling medium 7, which is cooled by element 8, compressor 16 and radiator 17. The water may then pass around the radiator 17, depending on the watertemperature required in the tank 1. The water circulates either by slow mechanical pumps (not shown) or by introducing air, by a pump 13, into a chamber 12, thus raising the water into pipe 15 and aerating it, while this flow causes suction of water down through the material 4 and then up through a pipe 22 and into the pipe 15. Both methods for water circulation avoid mechanical destruction of plankton which further aids maintenance of an ecological balance. A panel 18 controls thermostats 19, 20, periodic switching of the lights 5 and provides automatic control means for the system. Several aquaria may be interconnected using level regulating pipes 23, so as to be served by a single master tank.
GB16869/75A 1974-04-25 1975-04-23 Method of and apparatus for maintaining an ecological balance in a closed water system Expired GB1495764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO741508A NO741508L (en) 1974-04-25 1974-04-25

Publications (1)

Publication Number Publication Date
GB1495764A true GB1495764A (en) 1977-12-21

Family

ID=19881579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16869/75A Expired GB1495764A (en) 1974-04-25 1975-04-23 Method of and apparatus for maintaining an ecological balance in a closed water system

Country Status (9)

Country Link
JP (1) JPS50142398A (en)
AU (1) AU8055575A (en)
DE (1) DE2516879A1 (en)
DK (1) DK174075A (en)
FR (1) FR2288461A1 (en)
GB (1) GB1495764A (en)
IT (1) IT1037543B (en)
NL (1) NL7504875A (en)
NO (1) NO741508L (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035701A2 (en) * 1980-03-01 1981-09-16 Norbert Adler Aquarium filter
GB2165965A (en) * 1984-10-19 1986-04-23 Andrew Robert Knechtel Control system for an aquarium or other artificial habitat
WO1987001010A1 (en) * 1985-08-20 1987-02-26 Michael Graeme Hanrahan Holding tanks
US6641732B1 (en) 1999-06-30 2003-11-04 Live Link Australia Pty Ltd Cross-flow tank system for aquatic life
CN115968824A (en) * 2022-12-30 2023-04-18 通威农业发展有限公司 Weever seedling raising equipment and use method thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2739194B2 (en) * 1994-03-24 1998-04-08 鹿島建設株式会社 Crab breeding equipment
WO2004071183A1 (en) * 2003-02-11 2004-08-26 Heat Recovery Technology Pty Limited Thermal controlled aquaculture tanks for fish production
CN102845346A (en) * 2012-09-28 2013-01-02 汪远 Closed seawater ecological recirculating aquiculture method and device system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035701A2 (en) * 1980-03-01 1981-09-16 Norbert Adler Aquarium filter
EP0035701A3 (en) * 1980-03-01 1982-02-17 Norbert Adler Aquarium filter
GB2165965A (en) * 1984-10-19 1986-04-23 Andrew Robert Knechtel Control system for an aquarium or other artificial habitat
WO1987001010A1 (en) * 1985-08-20 1987-02-26 Michael Graeme Hanrahan Holding tanks
JPH0728629B2 (en) * 1985-08-20 1995-04-05 オーストマリン・プロプライアタリイ・リミテッド Life support container for aquatic animals
US6641732B1 (en) 1999-06-30 2003-11-04 Live Link Australia Pty Ltd Cross-flow tank system for aquatic life
CN115968824A (en) * 2022-12-30 2023-04-18 通威农业发展有限公司 Weever seedling raising equipment and use method thereof
CN115968824B (en) * 2022-12-30 2024-04-30 通威农业发展有限公司 Weever seedling raising equipment and application method thereof

Also Published As

Publication number Publication date
DK174075A (en) 1975-10-26
IT1037543B (en) 1979-11-20
NO741508L (en) 1975-10-28
NL7504875A (en) 1975-10-28
DE2516879A1 (en) 1975-11-13
AU8055575A (en) 1976-11-04
JPS50142398A (en) 1975-11-17
FR2288461A1 (en) 1976-05-21

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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