SU874856A1 - Hydraulic engineering complex - Google Patents

Description

(54) HYDRAULIC

one

The invention relates to the construction of waterworks, which are composed mainly of an underground energy path of hydroelectric power stations and operational spillway tunnels.

Known hydroelectric system, including the underground energy path and the spillway tunnels 1.

The disadvantage of the TaiKoro hydro system is the impossibility of using water discharge tunnels as an energy path, since they (water discharge tunnels) are located on one and energy tunnels are on the other side.

The limes are also a hydropower plant, including a power supply station of hydroelectric power stations located on one side and an operational spillway with gates 2.

A disadvantage of the known hydropower plant is that the supply tunnel of the hydroelectric station and the water discharge tunnel are located independently of each other, which prevents the use of the water outlet tunnel as a conduit supplying water to the hydroelectric station. As a result, a large amount of electricity is underproduced.

although the spillway tunnels do not work every year or for a short time a year.

The purpose of the invention is to increase power generation.

This goal is achieved by the fact that the power supply path of the hydroelectric station and the operational spillway are interconnected by a conduit equipped with a gate.

FIG. 1 shows the proposed waterworks, plan; in fig. 2 shows section A-A in FIG. one; in fig. 3 - section BB on

10 of FIG. one.

the proposed hydroelectric system includes the energy path 1, turbine conduits 2 ,. which supply water to the station 3 building. On the same bank there is an operating 5 spillway 4 with operating gates 5 located at the end of the spillway.

The energy path 1 and the operational spillway 4 are interconnected by a conduit 6, equipped with a gate 7.

Hydro unit works as follows.

20

During normal operation of the waterworks, the operating valves 5 are closed, the valves 7 of the connecting conduit 6 are open and the water

passes through the energy path 1 and operational spillway 4, and then the turbine conduits 2 to the station building 3. In this case, the pressure loss is proportional to the square of the velocity of water in the conduit. With the open gate 7 in the conduit 6, the water also passes through the operational spillway 4, since it does not function for its direct purpose. Thus, for the supply of a constant flow rate to a hydroelectric power station, the working area of the water conduit increases by the size of the area of the operational spillway, i.e.

.

Up

speed is equal to

8 v

head loss h

-tf,

In this way, pressure losses at hydroelectric power stations are reduced and power generation is increased. When inspecting one of the water lines, energy or operational, as well as during the period of passing floods

gate 7 on the connecting tunnel must be lowered and conduit 6 closed.

The invention makes it possible to reduce head losses at hydroelectric stations and significantly increase the production of electricity.

Claims (2)

1.Listrova P.P. Nurek waterworks on the river. Vakhsch. “Hydraulic Engineering, 1969, No. 1. 2. The album of hydrotechnical objects scheduled for construction in the period 1976-1990. GlavNIIproekt of the Ministry of Energy of the USSR, 1975, p. 27 (prototype).