EURO-ECO 2010 Hanover 2 - 3 Dezember 2010	Environmental, Engineering - Economic and Legal Aspects for Sustainable Living
	European Academy of Natural Sciences, Hanover European Scientific Society, Hanover University of Bremen, Bremen

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Abstracts EURO-ECO 2010

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For maintenance of the maximal efficiency of animals and their high stability to diseases it is necessary to creation favorable factors in the environment of their dwelling.

The success of animal industries is defined on 60 % by feeding of animals, on 20 % their cultivation and age and on 20 % - conditions of the environment, including a microclimate.

In cattle-breeding facilities local supply of a plenty of air directly in a zone of an arrangement of animals is required. Thus speed of movement of airflow should be within the limits of the admissible values providing a comfortable content of animals and required sanitary-and-hygienic parameters of a microclimate.

The new way of local ventilation when the airflow goes around the whole length of the bodies of the animals was developed. It is located in a horizontal direction from a forward part of a body of an animal to a back part. It allows withdrawing ammonia and carbonic gas from a head of an animal, that essentially improves their comfort.

In this case the arrangement for ventilation of cattle-breeding facility contains stalls with inlet and the exhaust punched tubular lateral protections which are connected according to inlet and exhaust the main pipelines. The punched pipes of a protection are located vertically and towards each other on opposite sides of a stall. Apertures in inlet and the exhaust punched pipes are executed on opposite them sides.

The arrangement as follows works. Air moves on inlet to the main pipeline through pipelines in inlet the punched tubular lateral protections and leaves through apertures in facility around of an animal from its lateral faces. Then air is soaked up through apertures in exhaust lateral protections, pipelines and exhaust main pipelines. It reaches the directed tap of ammonia and carbonic gas from a zone of a feeding trough and a head of an animal.

The new arrangement for local ventilation which contains stalls with horizontal and in parallel located inlet the punched tubular lateral protections connected with inlet by the main pipeline is offered also.

Inlet the punched tubular lateral protections are established in parallel each other in a vertical plane with formation of a clearance. Thus apertures in inlet the punched pipes are executed on them opposite sides and located towards each other.

The arrangement works as follows. Air on inlet to the main pipeline moves to the parallel punched pipes established in a vertical plane with formation of a clearance. Further air leaves counter compact jets from opposite apertures. At opposite interoperability of system of counter jets it is formed fan a stream of air with the expanded range having blown, the raised turbulence and a degree of clearing of speed of a stream.

For increase of a range having blown animals other new arrangement for local ventilation of cattle-breeding facility which contains machine tools with inlet and exhaust vertical and towards the installed punched flat protections connected according to inlet and exhaust pipelines is offered still.

Apertures in inlet and exhaust protections are executed on them towards sides. The vertical punched protections are executed in the form of hollow box. Hollow box can be executed, for example, in the form of metal or concrete designs.

This arrangement reaches the directed supply and tap of air in a zone of a finding of animals, the appropriating microclimate is provided.

The new arrangements of local ventilation providing substantial increase of a degree of attenuation of a stream expiring from a branch pipe due to impact inlet of a jet with jets, acting of an internal cavity of the central body from a source of the operating environment are offered also.