FILTER OF DRIP IRRIGATION Russian patent published in 2003 - IPC

FIELD: agriculture. SUBSTANCE: the invention presents the filter of drip irrigation used in agricultural melioration and agricultural machine-building, in particular, in the systems of the drip irrigation. The filter includes a container with located in it pipelines above and under the filtration material as well as the system of water inlet and outlet pipelines. The filter is supplied with a control system, hydrocyclones and the filter operation modes switch. The filter control system includes the pressure gauges or manometers. Manometers are installed in the system of water inlet and outlet pipelines of the operation mode change switch input and output and at the system of hydrocyclones feeding water in the container. The filter operation modes switch has a hydrocontrol valve capable to rotate around the axis of symmetry and a sleeve built in the body. The body is divided into sections of a reception and submission of the untreated water, a section of feeding the treated water in a main pipeline of the drip irrigation system and a section of the offtake of the products of pollution and a colmatage into the system of the strip irrigation. The Section of reception and submission of the untreated water of the filter operation modes switch body is linked by pipelines with the pump plant and hydrocyclones for the untreated water submission in the pipelines. EFFECT: the invention allows to increase the filter capacity and to improve quality of water purification. 4 dwg