Ice melting device for gate of hydropower station

Abstract

The invention discloses an ice melting device for a gate of a hydropower station. The ice melting device comprises a jetting tube, an air conveying tube and an air compressor, wherein the jetting tube is arranged on an upstream surface of the gate; the jetting tube is connected with the air compressor through the air conveying tube; and air spraying holes are formed in the jetting tube. According to the ice melting device disclosed by the invention, when compressed air is jetted to a water surface underwater, a front water surface of the gate is in a bubble boiling state, so that the front water surface of the gate is guaranteed to be not iced. The ice melting device is simple in structure, is low in cost, and is convenient and practical.

Description

technical field [0001] The invention relates to an ice-breaking device between a gate of a hydropower station and an ice layer in a reservoir area, in particular to an ice-melting device with a new type of ice-breaking function and anti-icing function. Background technique [0002] The Tibetan plateau has harsh environment, large temperature difference between day and night, and low overall temperature in winter. The water level in the reservoir area of ​​the hydropower station is relatively stable and the water surface is calm. On the overflow dam surface, due to the influence of temperature, a thick layer of ice will form in front of the gate. According to the requirements of the design specification , The gate of the hydropower station should not bear static ice pressure. In the case of ice, the normal opening and closing of the gate will be affected. The ice melting device of the hydropower station is an important device to ensure the safety and normal opening and closing...

AI Technical Summary

Problems solved by technology

This technology is that the water disturbance plate is driven by the reducer to disturb the water surface, so as to prevent the water surface from freezing, the failure rate of the mechanical structure is high, and the ice breaking effect is not ideal

[0004] There is also a patent No. 201620323829.X, which disclosed a curved gate of a hydropower station on November 23, 2016, including a gate body and a thawing device. The gate body includes a bracket and an arc-shaped water-blocking panel fixed at the front end of the bracket. The thawing device is arranged on the back of the water blocking panel to prevent the water blocking panel from freezing. In the present invention, a thawing device with heat preservation effect is provided on the back of the arc gate of the hydropower station based on the arc gate beam lattice, and the heat preservation shed When it works together with the gate, it does not affect the opening and closing of the gate. Since the thawing device is designed as a heat preservation shed and has a built-in heating device to ensure the temperature in the shed, the invention patent adopts a heating method (generally electric heating), and the ice melting is also very slow. Power-on anti-icing, high energy consumption

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