Fish-growing aquarium专利检索-含氮废物废物处理与管理专利检索查询-专利查询网

Fish-growing aquarium

阅读：698发布：2021-09-10

专利汇可以提供Fish-growing aquarium专利检索，专利查询，专利分析的服务。并且An aquarium with fresh water supply above for growing large quantities of fish in a minimum of space. A screen across aquarium confines fish to upper levels and prevents them from mixing descending waste particles below with fresher water above. Slanted bottom of aquarium converges to an adjustable outlet through which sediments are forced by the weight of water above. An air pump releases bubbles at end of tubing near screen to aerate water and create circulation causing contaminants to fall by gravitational and centrifugal forces. A ball valve with float closes outlet when water level falls too low. A siphon and auxiliary tank prevents overflow. Fresh water entering presses water with contaminants away from fish through screen below and out of discharge opening, removing pollutants and replacing water at required intervals to permit the crowded fish to grow for years. A filter retards the return of the heavier particles of pollutants and nitrogenous substances to the space occupied by the fish. A small propeller aerator strengthens the circulation.，下面是Fish-growing aquarium专利的具体信息内容。

权利要求

1. An aquarium device for the practical and economic growing of a massive quantity of fish in a minimum of space from fry or fingerlings to maturity, including a constantly running water supply therefor, with a slanted converging bottom to guide waste matter and other pollutants to an adjustable first discharge hole in the lower part of said aquarium, a screen supported across said aquarium on brackets along the side of aquarium to confine the fish to the higher levels and to prevent the fish from mixing the contaminant-laden water below with the fresher water above, an adjustable valve connected to first discharge flow hole to regulate the rate of discharge resulting from pressure of water above, a length of tubing extending down one side of aquarium to release air bubbles, pumped from a separate source, into the water occupied by the fish above the screen to aerate the water and to create circulation to aid in the deposit of contaminants, an upstanding intermediately located filter supported on the bottom of the aquarium to minimize the return of pollutants to upper levels, a shallow pan suspended from the top of one side of said aquarium beneath the surface of the water to hold food, a brace mounted on top of one side of said aquarium to hold a conventional aerator, a water level operated ball valve means to close said first adjustable discharge hole when water level in aquarium falls below a certain level, an auxiliary water tank attached to the side of the aquarium for control of water level in said aquarium having an overflow outlet and a siphon means connected thereto, said siphon means having an end remote from said auxiliary tank and in close proximity with the first discharge opening, and a second discharge outlet located adjacent to the first adjustable discharge flow hole.

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