(57) Abstract:The invention relates to agriculture and can be used in water allocation for water samples from canals or reservoirs. The purpose of the invention is the provision of adjustment of consumption and increase reliability. This objective is achieved in that the siphon outlet, including brackets 1 to attach to the side of the channel 16, the siphon 6, attached to the input end 5 of the bracket 1 can be rotated across the channel 16, and the device to start the siphon 6, the bracket 1 is equipped with a horizontal pipe 2 with Windows in the upper and lower parts, and the input end 5 of the siphon 6 is made with an air hole, a horizontal pipe 8 and peak 9, attached to the pipe 8 from the end, with the possibility of rotation relative to the pipe 8 and fixing moreover, the nozzle 8 with visor 9 is installed on the pipe 2 of the bracket 1, the tube 2 of the bracket 1 is made opposite the shield 9 and the entrance window of the siphon 6, and the starting device is made in the form of a cylindrical tank 12, is attached to the outlet end of the siphon 6 parallel to its axis and communicating with him holes. 5 Il. The invention relates to agriculture and can be used them the technical nature of the proposed portable siphon culvert (A. with. USSR N 755940, CL E 02 In 13/02, a 01 G 25/02 from 30.03.79), which includes installed on Board of the fill pipe and the charging mechanism, in which the pipe one end of which is articulated to the Board of the fill, and the charging mechanism is made as mounted on the socket end and interconnected by a flexible shaft spring-loaded valves, one of which made a hole, and the other an adjustable stop.A disadvantage of the known device lies in the absence of structural elements regulating the exhaust of the channel the flow of water.The purpose of the invention is the provision of adjustment of consumption and increase reliability.This objective is achieved in that the siphon outlet, includes brackets for attaching to the side of the canal, siphon attached input end to the brackets can be rotated across the channel and the device to start the siphon, brackets provided with a horizontal pipe with Windows in the upper and lower parts, and the input end of the siphon is made with an air hole, a horizontal pipe and a visor attached to the pipe end, with the possibility of rotation about the axis of the pipe and fixing the pipe with visor ustanovlenie the device is made in the form of a cylindrical tanks attached to the outlet end of the siphon parallel to its axis and communicating with him holes.This embodiment of the siphon outlet allows, in comparison with the prototype, implement the following by means of the flow regulator, which is a system pipe, adjustable visor and pipes with Windows, to adjust selected water flow rate through a system of tanks provided with calibrated holes with the cavity of the output end of the siphon, to improve the reliability of his work.Such technical execution siphon outlet, according to the authors, was not known before and meets the criterion of "significant differences".The essence of the technical solutions siphon discharge is illustrated by drawings, where Fig.1 presents a side view of the device in working position; Fig.2 shows the arrangement of a flow rate regulator on a common axis (in section); Fig.3 General view of the device view, And Fig.1), and Fig.4, the output end of the siphon tanks (view B of Fig.1) with a partial tear-out; Fig.5 view (according To Fig.1) from the discharge end of the siphon.Siphon culvert contains bearing brackets 1 that secure the horizontal tube 2 with Windows 3 and 4 in its upper and lower parts, the input end 5 skulimowski visor 9, attached to the pipe 8 from the end, with the possibility of rotation about the axis of the pipe 8 and stabilized by the latch 10 and the nozzle 8 with visor 9 is installed on the pipe 2 of the bracket 1 so that the window 3 in the pipe 2 of the bracket 1 is made in front of the visor 9, and the output window 4 opposite the entrance window of the siphon 6. The starting device 11 is made in the form of a cylindrical tank 12, is attached to the output end 13 of the siphon 6 parallel to its axis and communicating with him through hole 14 at the bottom and air holes 15 in its upper part. Siphon outlet is mounted on the Board of channel fill 16 so that in the process of charging the starting device 11 is oriented across the channel 16 (shown dotted in Fig.1) and the pipe 2 with the plugs 17 and the bracket 1 by means of two clamps 18 saves stationary state until transportation to another irrigated plot. When you start siphon culvert in action starting device 11 is turned by means of a flexible connection 19.Siphon culvert works as follows. Assembled siphon culvert installed on the side of the channel 16 by means of the brackets 1 and fastened by at least two clamps 18. When the preset water level Noah axis of the pipe 2, moving it to channel 16 (shown by the dotted line in Fig.1). Water fills the siphon 6 and the vessel 12 through the outlet end 13 and holes 14, thus displacing the air from the cavity of the siphon 6 through the air hole 7 in the result, the charging of the starter 11.To start the siphon in the work required by flexible connection 19 to rotate about the horizontal axis of the pipe 2, thereby moving the output end 13 of container 12 overboard channel 16 (shown in solid line in Fig.1). In the process of turning siphon 6 relative to the axis of the pipe 2 semi-cylindrical visor 9 provides close window 3 thereby maintaining nerazreshimosti starter 11. A slight delay relative to the beginning of the movement of water in the siphon 6 open 3 adjustable visor 9 complete with flanges 17 having a radial groove, and the retainer 10. Adjustment of the water flow is realized by means of rotation of the siphon 6 up or down with the simultaneous opening or closing of Windows 3 and 4 and decrease or increase the flow of water.Start the siphon 6 the work is guaranteed by the expiration of a large volume of water contained in the tank 12 and the output end 13 of the siphon 6, and podklyucheniya tanks 12 charging the siphon 6. To disable the device, you must turn the siphon up 6 with overlapping Windows 3 semi-cylindrical shield 9 until it reaches a breakdown of the vacuum, then lower the siphon 6 on the side of the channel 16.The economic efficiency of the proposed siphon discharge is due to: reduction of water loss by regulating its costs; improve reliability due to the absence in the working section of the siphon across the elements and the use of large volumes of drained water, which creates large values of vacuum in the body of the siphon; improving the performance of the siphon, adjustable within limits specified.Siphon culvert can be applied in industry in the conduits and vessels for sampling clarified solutions, where the use of pumps is not economically feasible. SIPHON OUTLET, which includes the brackets for mounting to the side of the canal, siphon attached input end to the brackets can be rotated across the channel and the device to start the siphon, characterized in that the brackets are provided with a horizontal pipe with Windows in the upper and lower parts, and the input end of the siphon is made with an air hole, with horizontal and commit moreover, the pipe with the visor installed on the pipe brackets, pipe brackets made in front of the visor and the input end of the siphon, and the device to start the siphon is made in the form of a cylindrical tanks attached to the outlet end of the siphon parallel to its axis and communicating with him holes.
FIELD: building, particularly to protect dams.
SUBSTANCE: method involves forming additional water spillaway channel including a number of self-flowing siphons passing over dam crest, wherein the siphons are assembled of prefabricated units which are delivered to dam when water in water pool reaches dangerous level; permanently installing short and long siphon necks are on the dam by positioning short neck of each siphon below water level in upper pool and by locating long neck thereof below water level in lower pool; assembling vacuum plant; connecting suction chamber of vacuum plant with uppermost siphon point by pipeline; evacuating the siphons and filling thereof with water.
EFFECT: provision of emergency water discharge over the dam and provision of water level reduction in water pool, prevention of scour creation and dam failure.
2 cl, 1 dwg
SUBSTANCE: invention refers to the hydraulic devices and can be used for dump of water from ponds, holding basins and water catchers. The device for dump and regulation of withdrawal depth from a holding basin includes tail vertical and horizontal channels, a slide and a stilling pool. For regulation of withdrawal depth, the tail vertical channel is closed by the external cylinder forming the additional tail external channel, placed according to the height of the top end over a height of water in a holding basin and through an aperture is communicating with atmosphere. The device has a screw drive for moving of the external cylinder on height with the flange fixed on bottom bead liquidating decompression funnel at an overflow of water in the tail external channel. The aperture for the communication with atmosphere is protected from pollution and freezing. Dependences on which constructive geometrical parameters of the device are calculated, the tail vertical and external channels, taking into account a migration of water in a holding basin, and an adjustable driving depth of the external cylinder in a holding basin are resulted. If the channels have out-of-round shapes, their sizes should correspond to the hydraulic radiuses equal to hydraulic radiuses of cylindricities of channels.
EFFECT: maintenance of dump of water from the middle layers of a holding basin, which are not polluted by floating substances.
SUBSTANCE: mobile hydropower structure with water-retaining filled shell attached to water flow bed with the help of bed anchors, installed along perimetre, includes generator, turbine, diffuser. At the same time water-retaining filled shell on top is enveloped with a siphon, which supplies water into lower reach to turbine with generator. Turbine is installed on mobile body, which represents a hollow reservoir with holes for installation of diffuser and removal of flow.
EFFECT: possibility to construct a temporary water utilisation system at waterways with considerable flow rate of bottom deposits for local power supply, irrigation, water supply, fish farming, and provision of confinement of forest fires spreading.
FIELD: power industry.
SUBSTANCE: invention relates to hydraulic engineering, specifically to creation of the water flow and its control using pipes to drive the hydraulic turbines, devices of water systems, and protection of fill dams against washaway. To create water flow the siphon is used, at its ends the gates are installed, and in its top point a hole is made closed by the tight plug. The siphon intake end is lowered in the source water reservoir, and drain end is inserted in beginning of the distribution pipe, its internal diameter is selected higher then outside diameter of the siphon pipe. For the water flow start gates are closed in series, the siphon is filled with water up to plug, hole is tightly closed by plug, and gates are opened. The created water flow is directed in the required or safe for people and environment direction via the distribution pipes, trays or other water ways. The dam protection against washaway (in case of the water overflow over the dam) is performed by means of the siphon gates opening and water overflow over the siphon installed on the dam crest. Method is ensured using the device containing siphon with controlled gates in input and output ends, and with hole in its top point closed by tight plug, distribution pipes, buffer or water discharge devices, trays and water ways. To ensure the required higher intensity of the water flow the single flows of several specified devices installed in common or different source water reservoirs or acting water flows are combined in common rather powerful flow.
EFFECT: possibility of increasing of energy power with significantly lower specific and absolute expenses, and fill dams protection against washaway upon threat of dam pond overfilling.
8 cl, 2 dwg
FIELD: machine engineering.
SUBSTANCE: device for discharge and regulation of water withdrawal depth from a sump includes a discharge vertical elongated bellows 8, a vertical branch pipe 4 in the form of a welded body and a horizontal channel 5, a valve 6 and a water well 7. The bellows 8 has an annular weir 9, connected in the upper part with a screw driver 10 of vertical movement, fixed in the desired position on the cover 11. The bellows 8 consists of rigid rings 12 and a pleated cover 13 of elastic material. The bellows 8 has a diameter larger than the diameter of the outlet horizontal channel 5. The device has an external fixed cylinder 14 with a flange 15. The fixed cylinder 14 comprises an external outlet channel 16, enclosed by a containment grate 17 (grid) fixed with rigid ties 18 to the welded body 4 and a horizontal retraction channel 5. Sediment retractor comprises a water outlet 21 equipped with a shutter 22 with a peak 23 which is connected by a hinge 24 to a change mechanism 25 of the valve 22 for moving the latter in height, in the lower part of the dam 1. The outlet end of the branch pipe 21 with the shutter 22 is located in an additional sediment closed water well 26 with a bottom opening 27 of the pipeline 28. The water well 7 is separated from an additional closed water well 26. If it is necessary to turn off the water, it will be sufficient to move the upper end of the bellows 8 with the weir 9 to the upper end position with the screw driver 10 and fix it. The formation and transportation of the sediment flow occurs actively around the water intake external outlet channel 16 and the fixed cylinder 14 with the flange 15 and the grid 17. As a result of this process, the discharge of the stream from the cleaner layers of reservoirs 19 is constantly stabilizing, which allows increasing the level of environmental safety of external reservoirs.
EFFECT: increased reliability, efficiency and uninterrupted operation of the device.
7 cl, 1 dwg