Exhaust valve not being closed by blowing

Abstract

The invention provides an exhaust valve structure that cannot be blown off, which includes an exhaust valve body, an exhaust port with a sealing ring is arranged on the top of the valve body, a floating ball is arranged in the valve body, and the valve body The middle part of the body is a conical table surface, the angle between the side surface and the bottom surface of the conical table surface is 60 degrees, the diameter of the floating ball is 1.3 times the diameter of the exhaust valve, and the diameter of the exhaust port is equal to the diameter of the exhaust valve. The beneficial effects of the present invention are: due to the adoption of the above technical solution, the exhaust valve will not be closed in advance, so that the air in the system can be quickly and continuously discharged, showing the strong exhaust capacity of the exhaust valve with this structure. When the gas in the system is completely removed, the floating ball will close the exhaust port under the buoyancy of the water.

Description

technical field [0001] The invention belongs to the field of valves, in particular to an exhaust valve structure which cannot be blown off. Background technique [0002] The gas in the water pipeline will cause many problems, such as increasing the risk of water hammer, increasing friction and local resistance along the way, increasing energy consumption and operating costs, pressure loss and even flow interruption, etc. Therefore, it is required that the exhaust valve can be quickly and continuously to expel air from the system. However, the common problem of the existing exhaust valves is that the exhaust valve with a large exhaust port is easily blown closed by the high-speed air flow, that is, when the air in the system has not been completely discharged, the floating ball is blown up by the air flow to close the exhaust port; The valve is relatively not easy to be blown off, but the exhaust volume is too small, and the application occasions are limited. This just need...

AI Technical Summary

Problems solved by technology

[0002] The gas in the water pipeline will cause many problems, such as increasing the risk of water hammer, increasing friction and local resistance along the way, increasing energy consumption and operating costs, pressure loss and even flow interruption, etc. Therefore, it is required that the exhaust valve can be quickly and continuously exhaust the air in the system

However, the common problem of existing exhaust valves is that the exhaust valve with a large exhaust port is easily blown closed by high-speed air flow, that is, when the air in the system has not been completely discharged, the floating ball is blown up by the air flow and closes the exhaust port; The valve is relatively not easy to be blown off, but the exhaust volume is too small, and the application is limited

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