Mechanical type automatic water saving device

Abstract

The invention provides a mechanical type automatic water saving device. The mechanical type automatic water saving device comprises a self-operating temperature controlling device, an automatic pulse flow washing device and a stopping device, wherein the self-operating temperature controlling device, the automatic pulse flow washing device and the stopping device are mounted in a valve body, the self-operating temperature controlling device comprises a temperature bulb, a valve stem and a sluice valve plate, the automatic pulse flow washing device comprises an impeller which is connected with a stop plate via a connection rod, the stop plate is a movable structure, a tangential direction of the impeller is positioned at the position of a water flow direction at a water inlet, the stopping device comprises a hand wheel, a stop valve, a stop valve bonnet and a valve flap, the hand wheel is fixed at the top end of the stopping valve stem which is a movable structure, the bottom end of the stopping valve stem penetrates the stopping valve bonnet and is connected with the valve flap, the valve flap faces a valve seat in position and is sealed with the valve seat. The mechanical type automatic water saving device is simple in structure and capable of efficiently controlling water flow rate automatically according to temperature of circulating water and utilizing pulse water flow to wash pipelines so as to prevent same from scaling.

Description

technical field [0001] The invention relates to the technical field of valve water-saving devices, in particular to a mechanical automatic water-saving device for petrochemical plants and others that uses circulating water and requires automatic adjustment. Background technique [0002] Heat exchange processes exist widely in petroleum and chemical production processes, such as equipment cooling, process medium cooling, and waste heat recovery, etc., and heat exchange equipment and various adjustment systems are necessary conditions to ensure the smooth progress of heat exchange processes. In the production process of petroleum and chemical products, circulating water is mainly used to cool various high-temperature process media. Since the cooling water temperature fluctuates greatly due to the influence of the external environment, the maximum temperature difference can reach about 30 degrees Celsius. If the cooling water flow rate remains unchanged, it will lead to excessi...

AI Technical Summary

Problems solved by technology

The existing self-operated temperature control devices on the market are relatively expensive, have poor adaptability, cannot be widely used in the automatic regulation of circulating water, and do not have the washing function to prevent scaling

At the same time, the existing self-operated regulating valve only plays the role of regulating the flow, and the cut-off of the water flow and the removal of the scale are two other devices, which neither saves cost nor saves space.

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