Water intake structure

 

(57) Abstract:

The invention relates to hydraulic engineering and is intended for purification of water with water from small debris, algae, aquatic insects and their larvae. Water intake structure, located on the reservoir contains a waterproof dam construction, provided with a filter element from the bulk material below the minimum water level in the reservoir across the dam structures, and the receiving device clean water, located at the side end portion of the filter element, which is placed in a rigid closed shell, equipped with the sides of the input and output tapes. Tapes made in the form of unyielding frame filled coherent permeable material. Before the cassette is installed at the entrance governing water discharge device and attached to the shell of the vertical shaft, the input section which is placed above the maximum water level in the reservoir can be accessed in this section. The tapes are installed with the possibility of retrieval. The invention provides rapid and efficient replacement of the filter element when the loss of the filtering sposobnostey hydraulic engineering, and more particularly to structures for mechanical purification of water from small debris, algae, aquatic insects and their larvae, located mainly in areas with long dry period with high temperatures.

Applicants known prototype of the claimed invention, as the closest to it of the essential features. This prototype represents a diversion to reservoir containing a waterproof dam construction, provided with a filter element from the bulk material below the minimum water level in the reservoir across the dam structures, and the receiving device clean water, located at the side end portion of the filter element (kystaubayev K. J. Treatment-the protection of water intake on the filter base. The dissertation on competition of a scientific degree of candidate of technical Sciences. M. , 1992 , Fig. 7a, 8).

The disadvantages of this abstraction is the impossibility of cleaning the filter element after driving it then hold the material and the impossibility of settling the supply of clean water, as in the process of lowering the water level in vodohraniliwe element due to its driving detain material.

The task to be solved by the invention is the extension of the service water intake facilities while regulating the flow rate of the water supplied to the receiving device of clean water.

The technical result of the invention is to improve the reliability of water supply by eliminating the causes of the reduction in the number and worsen the quality of water to be abstracted.

The above objective is achieved by the intake structure, located on the reservoir containing the waterproof dam construction, provided with a filter element from the bulk material below the minimum water level in the reservoir, across the dam structures, and the receiving device clean water, located at the side end portion of the filter element, the filter element is placed in a rigid closed shell, equipped with the sides of the input and output tapes, made in the form of unyielding frame filled coherent permeable material, before the cartridge is installed at the entrance governing water discharge device and attached to the shell of the vertical shaft, the input section to which the placement is completely retrieve.

The technical result is achieved by the fact that there is a possibility to change the filter element while reducing its filtering capacity in the driving then hold the material, and the fact that there is a possibility of regulating the flow of the corresponding device.

The drawing shows a water intake structure.

Water intake structure is placed on the reservoir 1 having the maximum level minimum 2 and level 3, it contains dam construction 4 keeping water in the reservoir 1. In the body of dam construction 4 posted by the filter element 5 of granular material such as sand or similar absorbent material enclosed in a hard shell 6 made, for example, in the form of reinforced concrete pipe located below a minimum level 2 water in the reservoir 1 transversely across the structure 4. At the end of the shell 6 with filter element 5 placed the receiving device 7 pure water with a level 8. At the entrance to the shell 6 is installed cassette 9, and the output - tape 10 made in the form of unyielding frame filled coherent permeable material, for example in the form of a filter of non-woven materialismo shutter as for the cassette 9 set the shaft 12 adjacent to the shell 6 and the component are one with it. The input section 13 of the mine connected to the auxiliary axle 14 with dam construction 4. Cassettes 9 and 10 is installed with the possibility of extracting the grooves 15 and 16, and the shutter 11 is moved along the groove 17.

The intake device operates as follows. When lifting the shutter 11 is the movement of water in the casing 6 through the filter element 5, where its purification from suspended debris and aquatic organisms that breed in water. The amount of lifting of the shutter 11 is dependent on the position of the water level in the reservoir 1 and the required flow rate. During operation of the water is gradual filling of the pores of the filter element 5 products clogging the water reservoir 1.

After the loss of the bandwidth of the filter element 5, the shutter 11 is lowered, remove the cassette 9 and 10, after which the shutter is again raised and the wash-out filter element 5 in the lower reach of facilities. After flushing the filter element 5, the shutter is lowered, and the shaft 12 are downloading a fresh portion of the filter material, and then install the cartridge 9 and 10 and raise the shutter 11. Under the action of a current of water filtraion 5 can be sent for regeneration for re-use. Replacement of the material of the filter element 5 is in wet periods when there is excess water, sufficient for the operation of replacement of the filtering material without damage to the water supply.

Water intake structure, located on the reservoir containing the waterproof dam construction, provided with a filter element from the bulk material below the minimum water level in the reservoir across the dam structures, and the receiving device clean water, located at the side end portion of the filter element, wherein the filter element is placed in a rigid closed shell, equipped with the sides of the input and output tapes, made in the form of unyielding frame filled coherent permeable material, and before the cartridge is installed at the entrance governing water discharge device and attached to the shell of the vertical shaft, an input section which is placed above the maximum water level in the reservoir with the possibility of access to him, and tapes made with the possibility of retrieval.

 

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FIELD: hydraulic building, particularly water intakes.

SUBSTANCE: water intake structure comprises spillway dam and water intake with two or more parallel sump chambers. The sump chambers have upper check lock and lower flushing check lock. Sump chamber bottoms are inclined in flow direction. Through section is located near the flushing check lock from lower pool side. The through section has inclination angle exceeding or equal to that of sump chamber bottom. Water accumulation tray is arranged upstream of flushing check lock transversely to water flow direction. Bottom mark of water accumulation lock is above water surface mark during sump chamber flushing. Precipitated drifts are removed from sump chambers by water flows as a result of gate manipulation. Sump chamber bottom inclination is determined from drift transportation condition. Sump chambers are provided with stream-guiding walls.

EFFECT: increased water cleaning quality and reduced costs of water intake structure building.

3 cl, 7 dwg

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