SU1234667A1 - Water inlet apparatus for pump installation - Google Patents

Description

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The invention relates to hydraulic engineering, and more specifically to designs of intake devices.

The purpose of the invention is to improve the eco stability by ensuring optimal 5-mode operation.

FIG. 1 shows the device a general view; in fig. 2 the same longitudinal section; in fig. 3 - turbine, section A-A in FIG. 2

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The intake device of the pumping unit, comprising a housing 1, a filter 2 installed therein, a filter cleaning mechanism 3 and a pump 4 jet pump, the filter cleaning mechanism 3. and the pump 4 is connected to the injection line 5 of the main pump 6 by means of pipes 7 and 8 with adjustable fans 9 and 10.

The filter cleaning mechanism 3 is rotatably mounted and provided with a drive made in the form of a Turbine, connected to the discharge line of the main pump 6 by means of an additional pipe 12 with an adjustable valve

13. The filter cleaning mechanism 3 is provided with a hollow shaft 14 with a side opening 15, and the housing 1 is divided by transverse partitions 16 and 17 into three sections 18, 19 and 20, with the outer sections 18 and 20 communicating with each other, the hollow shaft 14 passing through all three sections 18, 19 and 20, at the ends of the shaft

14, in the outermost sections 20 and 18, the cleaning mechanism 3 and the turbine 11 are placed, with the internal cavity of the turbine. 11 is separated from the inner cavity of the shaft 14. The housing 1 is connected to the jet

pump 4 by means of sliding brackets 21. Sections 18 and 20 are connected by pipelines 22 and 23. The jet pump 4 is connected to a branch pipe-: by wire 24.

15

The device works as follows.

During the operation of the main pump 6, water from the reservoir passes through the filter 2, flows into the interior of the housing 1. The pump 6 directs the water to the injection line 5, through which it flows to the consumer. The particles of litter (leaves, algae, etc.) present in the water are retained by the filter 2, they are pressed against it by the pressure of the water and reduce its flow area. The consequence of reducing the flow area is reducing the supply of the main pump 6.

When the flow of the main pump 6 decreases, the adjustable valves 9, 10, 13 open and the water flows through the pipes 7, 8, 12 to the turbine 11, respectively, to the cavity of the shaft 14 and

The jet pump 4, Water entering the turbine 11, provides rotation of the shaft 14 and the associated cleaning mechanism 3.

The water entering the cavities of the shaft 14 and the cleaning cleaning mechanism 3 flows out of the nozzles of the latter and discards the dirt adhering to it from the filter 2. The litter washed from filter 2 is not only rejected away from the grid, but also moves towards the top of the filter 2 in the field of currents created by the jet pump 4.

After a few turns of the cleaning mechanism 3, the entire litter shifts

to the jet pump 4 and through the pipeline 24 is pumped away from the water intake to a place from which it is impossible for it to re-enter the water intake zone.

Separate control of the flow rate in the cleaning mechanism 3 and the turbine M, as well as the ability to move the jet pump 4 relative to the filter 2, allows creating an optimum washing mode for the filter 2.

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Editor M. Tovtin

Phag.Z.

Compiled by Yu. Nikitchenko

Tehred M. Khodanich Proofreader M. Demchik

Order 2967/43

 g, Circulation 586 Subscription

Niipi State Committee of the USSR.

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab, 4/5

Production and printing company, Uzhgorod, 1-oektnadG street

Claims (3)

1. A PUMP UNIT water intake device comprising a housing, a filter installed therein, a filter cleaning mechanism and a jet pump, the filter cleaning mechanism and the jet pump being connected to the discharge line of the main pump via pipelines with adjustable valves, characterized in that, for the purpose of increase efficiency by ensuring an optimal operating mode, the filter cleaning mechanism is mounted for rotation and equipped with a drive made in the form of a turbine connected to the main discharge line pump through an additional pipeline with an adjustable valve. 2. The device pop. ^ characterized in that the filter cleaning mechanism is equipped with a hollow shaft · with a side hole, and the housing is divided by transverse partitions into three sections, with the outer sections communicating with each other, the hollow shaft passing through all three sections, at the ends of the shaft, the cleaning mechanism is located in the extreme sections and a turbine, wherein the inner cavity of the turbine is separated from the inner cavity of the shaft. 3. The device pop. 1, distinguished by the fact that the housing is connected to the jet pump by means of sliding brackets, Vut.r _n9> SU _ai> 1234667 1234667 A1 ι