SU33817A1 - Centrifugal Pump Guide Plate - Google Patents

Description

The guide discs with a nozzle channel used in centrifugal pumps usually consist of two or three parts, of which one or two are bronze, and the other part is sometimes cast iron.

In the proposed solid, cast iron, disk with channels in the thickness of its receiving channel, placed on one side of the disk, is connected through a transition channel with an outlet located on the other side of it.

In FIG. Figure 1 shows a cross section of a guide disk of a centrifugal pump; FIG. 2 - front view; FIG. 3 shows a section along AA of FIG. 2

Water ejected from the impeller enters primarily the canal I, which is on one side of the disk, then through the thickness of it, along channel 2, extends to the other side of the disc and continues to go through canal B, Channels I, 2 and 5 are one

a common channel uniformly expanding according to the law of the nozzle, so that the velocity of water as it flows through the channel is uniformly reduced to the desired value.

Channel 1 on the exit side of the impeller can be open or closed. In the second case, the processing is simpler and the pens are prevented from breaking.

The subject matter of the invention.

The guide disk of a centrifugal pump, characterized by the use of channels 7, 2, 3 located in the thickness of the disk, forming one common gradually expanding channel in the shape of a nozzle, of which the receiving channel / is placed on one side of the disk and the outlet channel 5 on its other side , both channels are connected between themselves by the transition channel 2.

FIG 3