SU1392191A1 - Water intake - Google Patents

Description

(21) 41430 3 / 29-15

(22) 11/04/86

(46) 04/30/88. Bul Number 16

(7t) Leningrad Engineering Institute

(72) A.A. Kirillov, A.M. Kurganov

and L.P. Filachagov

(53) 627.83 (088.8)

(56) USSR Copyright Certificate No. 1060751, cl. E 02 B 8/08, 1983.

USSR Author's Certificate No. 1341329, cl. Е 02 В 9/04, 1986.

(54) DRAINAGE DEVICE

(57) The invention relates to hydraulic engineering. The purpose of the invention is to increase the work efficiency by reducing the injury to the fish and cleaning the mesh from sediments. The device has a housing 2 connected to

suction pipe 1, interconnected by a rod 5 krgapsu 6 and the bottom 7 with mesh cylindrical blades 10 and perforated pressure pipe 11, installed around the perimeter of the upper and lower ends of the housing 2. One canvas 10 covers the upper part of the housing 2 and is attached with an end to the cover 6, and the other covers the lower part of the housing 2 and is attached by an end to the bottom 7. The holes of the pipelines 11 face the webs 10. By moving the actuator 15 of the rod 5, water can be drawn through the upper or lower ends of the housing 2, while flushing proceeds webs 10 jets of water or air exit apertures of conductive conduits 11. ZP 2 f-ly, 3 ill.

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The invention relates to hydraulic structures, namely, to water intakes from open rtoBepXHocTHbtx fish farming water MO in.

The purpose of the invention is to increase the work efficiency by reducing the trauma to the fish and cleaning the mesh of the towels from sediment.

I FIG. 1 shows a water intake device, side view; in fig. 2 - Yid A in FIG. one; in fig. 3 is a section B-B in FIG. one.

The device consists of the suction inlet 1, and the cia 2 cylindrical body 2 connected to it by the drift. In the lower and upper bases | orpus 2, the rigid crosses 3 are fixed to the stiffness with directional sleeves 4, in which nJTOK 5 is inserted. The bottom 6 and the bottom 7. The distance between the short section 6 and the bottom 7 is greater. KJopnyca 2 heights. On the bottom 6 and the bottom 7 are fixed vertical core frames 8 connected by stiffening rings 9. On the frames 8 weights cylindrical mesh cloths 10, covering Kjopnyc 2. Perforated The annular pressure pipelines 11 are located at the ends of the cylindrical body 2 and are connected to the pressure pipe 112. In the middle part of the device on the surface of the cylindrical casing 2 there is an annular horizontal visor 13 fixed on the supports 14. The rod 5 is equipped with a device for moving it - by a drive 15, the openings of the pipelines 11 are reversed by KJ mesh webs 10. The device operates as follows;

To draw water from the upper horizontal, the brush 5 is moved by the drive 15 upwards, while the bottom 7 fits tightly to the end of the cylindrical body 2 and blocks the path of the water to the sump pipe 1, and the roof 6 leaves another space the end of the housing 2, where throughout the cross section of the housing 2 the node evenly enters the suction inlet 1.

The lamellar crosses 3 neutralize the eddy currents, thereby reducing flow turbulence and flow resistances at the entrance to the housing 2. The cover 6 opens when

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0 5

0

five

0

five

0

five

the absence of a water source in these horizons in a certain period of the day or season of the year of floating debris, sludge, intrawater ice, migratory fish and, if necessary, water withdrawals from stratification conditions.

The netting of the mesh cloth 10 is carried out when the stem 5 is moved, while the washed garbage is carried away by the transit flow. Wash water is supplied through conduit 12 to perforated annular conduits 11 during the screen webs 10 sliding over them, which results in a concentrated uniform washing of the filtering surface of the webs 10. In winter, warm water is supplied through conduit 12, preventing the mesh 10 from freezing.

Horizontal ring visor 13 limits the flow of those water layers, the selection of which in one or another period of time is undesirable. The actuator 15 by means of the rod 5 lowers or lifts the lid 6 and the bottom 7 for a certain distance to ensure an optimal hydraulic flow pattern at the water inlet annular opening characterizing the feeding area, the capture of sludge, bottom ice and sediments, as well as juvenile fish.

As shown by testing the device, it should have the following optimal dimensions.

  2.2-2, H 7, 5dy; / Jh 0.25 - 0.30 D ,,

where Dy is the diameter of the body;

dy is the diameter of the suction inlet;

H - body height; L - the amount of movement of the rod.

Claims (3)

1. A water intake device including a vertical cylindrical body connected to the suction inlet pipe, horizontal cap and bottom of the body interconnected and driven and installed with the possibility of joint vertical movement, and mesh webs, the distance between the head and bottom more than the height of the body It’s about the fact that, in order to increase work efficiency by reducing fish injury and cleaning the sediment web, it is equipped with perforated pressure ring pipes. oprovodami mounted on the perimeter of the upper and lower ends of the housing and the mesh fabric are cylindrical, wherein one web includes an upper housing portion and is attached to the end krsh1ke, other covers nizhf ten The new part of the body is attached with the butt to the bottom, and the holes of the perforated pipes are facing the mesh sheets. 2. Device POP.1, characterized in that the housing is connected to the suction inlet of the middle part. 3. The device according to claim 1 and 2, characterized in that the housing is provided with a horizontal annular visor, covering its middle part. Vida I G2 Phage. 2 12 h i T X 0us.Z