Mine film type high and low voltage conversion device

Abstract

The invention discloses a mining membrane type high-low pressure conversion device, and belongs to the technical field of mine refrigeration machines. The mining membrane type high-low pressure conversion device comprises a refrigeration station arranged outside a mine and a radiator arranged in the mine, and further comprises a first container and a second container which are arranged in the mine, a first elastic membrane is arranged in the first container, a second elastic membrane is arranged in the second container, the first container and the second container are divided by the first elastic membrane and the second elastic membrane respectively into the cold water sides and the hot water sides, the cold water sides of the first container and the second container are communicated with a water outlet of the refrigeration station and a water inlet of the radiator respectively, and the hot water sides of the first container and the second container are communicated with a water return opening of the refrigeration station and a water outlet of the radiator respectively. As only membrane elastic deformation in the containers is adopted in the high-low pressure conversion process for transferring, the cold losses are small, accurate control is carried out, the working condition of the refrigeration station is matched with the actual refrigeration load, the operation energy consumption of the refrigeration station is reduced, and the temperature of a local area in the mine can be efficiently reduced.

Description

technical field [0001] The invention relates to the technical field of mine refrigeration machinery, in particular to a high-low pressure conversion device for mine cold water and hot water, which uses high-pressure cold water to push low-pressure hot water to the ground. Background technique [0002] As the depth of mine mining increases, when the cold water of the centralized refrigeration unit on the mine ground is transported underground, the static pressure of the water has far exceeded the pressure range of the end radiator. This high-low conversion device can reduce the pressure of high-pressure cold water. To be able to meet the requirements of the radiator, and the cooling loss is extremely small. This device utilizes the principle of U-shaped tubes. The water inlet pipe and the return water pipe form a U-shaped pipe, so that high-pressure cold water can push low-pressure hot water to the ground, thereby realizing energy exchange, and there is no need to use pumps t...

AI Technical Summary

Problems solved by technology

However, for the entire cooling system, the existing depressurization device has a large cooling loss. How to overcome the effective reduction of the cooling loss of cold water and how to ensure the balance between the terminal cooling demand and the actual supply is the key to the mine cooling system. Urgent technical problems to be solved

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