High-temperature-resistant valve

Abstract

The invention discloses a high-temperature-resistant valve. The high-temperature-resistant valve comprises a fixed baffle and a movable baffle, the inner part of the valve is divided into a high-temperature chamber and a low-temperature chamber by the fixed baffle, the fixed baffle comprises a first high-temperature baffle, a first heat insulation layer and a first low-temperature baffle, the first high-temperature baffle is close the high-temperature chamber, the first low-temperature baffle is close to the low-temperature chamber, the structure of the movable baffle is the same as that of the fixed baffle, an opening which is matched with the movable baffle in shape is formed in the fixed baffle, a sliding positioning rod across the high-temperature chamber and the low-temperature chamber is arranged at the opening, and the movable baffle moves in the axial direction of the sliding positioning rod. According to the high-temperature-resistant valve, the baffles and the heat insulationlayer are arranged between the high-temperature chamber and the low-temperature chamber, only the baffle of the high-temperature chamber needs to be able to bear high temperature, the baffle of the low-temperature chamber can be made of conventional materials, the cost of the high-temperature-resistant valve can be saved, and the flow can be effectively controlled by adjusting the opening degreebetween the movable baffle and the fixed baffle; and the high-temperature-resistant valve has the characteristics of low cost, good heat insulation effect, simple operation and the like.

Description

technical field [0001] The invention relates to the technical field of high temperature resistant valves, in particular to a high temperature resistant valve. Background technique [0002] In the fluid regulation system of the process industry, the valve is an essential and important device, and an important switch control element in the automatic control system consisting of a control mechanism and a valve. High-temperature valves are actuators that can be used to adjust pressure, flow, cut off fluid, and change flow direction at high temperatures. The adjustment and control of high-temperature valves has always been a difficult point in the actual implementation of automatic control, especially in high-temperature and ultra-high temperature conditions. Cutting off is more difficult. Usually valve materials will jam and cut off due to high temperature expansion. Therefore, high temperature valves have high requirements on materials and high cost. It is necessary to explore ...

AI Technical Summary

Problems solved by technology

Usually valve materials will jam and cut off due to high temperature expansion. Therefore, high temperature valves have high requirements on materials and high cost. It is necessary to explore new high temperature valves that are low cost, simple and easy to control, and can operate effectively and reliably.

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