Float sink header

Details Float sink header Float sink header

1998-04-29

2000-07-11

Bushey, C. Scott

Gas and liquid contact apparatus

Contact devices

Liquid tank

2611211, 2102212, 2102422, B01F 304

Patent

active

060860561

ABSTRACT:
An aeration header for mounting beneath the surface of a body of water is described. The header is formed by a first pipe arranged for transmitting the gas or fluid, a second buoyancy pipe arranged to hold either water or air and an elongate ballast pipe for adding weight to the header. In use, the header is laid out across the surface of a body of water and the first pipe is connected to a source of air. Water is then pumped into the second pipe, which displaces the air in the second pipe and increases the specific weight of the header, thereby causing the header to sink below the surface of the body of water. As the header is below the surface, water traffic is not restricted by the transfer of fluid across the body of water. For maintenance, compressed air is pumped into the second pipe, replacing the water in the second pipe and causing the header to float to the surface of the body of water. This arrangement may be used for aerating or de-icing bodies of water, such as, for example, lakes, channels and lagoons. The air is released from the supply pipe into air diffusion lines extending from the first supply pipe. In one arrangement, the diffusion lines extend outwardly to respective sides of the header and draped over the bottom. In another arrangement, the diffusion lines are parallel to the supply pipe.

REFERENCES:
patent: 3664647 (1972-05-01), Snow et al.
patent: 4215082 (1980-07-01), Danel
patent: 4287060 (1981-09-01), Coggins
patent: 4820457 (1989-04-01), Jager
patent: 5089179 (1992-02-01), Von Nordenskjold
patent: 5316671 (1994-05-01), Murphy
patent: 5354457 (1994-10-01), Becchi

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