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A compressor and valve plate technology, which is applied to lift valves, valve details, valve devices, etc., can solve the problems of unreliable quick-opening valve structure and inability to apply gas power equipment, etc., and achieves simple structure, high reliability and convenient operation. Effect
Active Publication Date: 2019-12-10
哈尔滨俱创燃气轮机有限公司
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In principle, none of these devices can be applied to aerodynamic equipment with complex structures and unique working methods
However, the existing quick-opening valve structure in the gas turbine laboratory is not reliable enough
Method used
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[0021] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0022] combine figure 1 -2, anti-breathing quick opening valve structure includes: valve plate 1, valve body 2, valve shaft 3, valve plate linkage plate 4, permanent magnet 5, speed limit slide rod 6, brake 7, electromagnet 8, limit stop Block 9. The valve plate 1 in the valve body 2 is rigidly connected with the valve shaft 3, and the center of the valve shaft 3 does not pass through the center of the valve plate 1; one end of the valve shaft 3 extends out of the valve body 2 and is rigidly connected with the valve plate linkage plate 4, and the valve plate linkage plate 4 is parallel to the valve plate 1, and the permanent magnet 5 is fixed on the valve plate linkage plate 4; the valve plate linkage plate 4 is rigidly connected with one end of the speed limiting slide bar 6, and the other end of the speed limit slide bar 6 is installed with a limit stopper 9; ...
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Abstract
The invention aims at providing an anti-surging quick-opening valve of a gas compressor. The valve comprises a valve body and a valve plate, the valve plate is located in the valve body, the valve plate is connected with a valve shaft, the valve shaft extends out of the valve body, the part, extending out of the valve body, of the valve shaft is connected with a valve plate linkage plate, a permanent magnet is fixed to the valve plate linkage plate, a brake device and an electromagnet are arranged on the valve body, the brake device is provided with an opening, a speed limiting sliding rod penetrates through the opening of the brake device, one end of the speed limiting sliding rod is fixed to the valve plate linkage plate, the other end of the speed limiting sliding rod is provided with alimiting check block, when the electromagnet is powered on, the permanent magnet is attracted so as to drive the valve plate to rotate so as to be in the closing state, the valve can be opened without exterior equipment, when the electromagnet of the quick-opening valve is in failure, the valve can be automatically opened, danger cannot be caused during surging, reliability and safety are high, under the urgent condition, only a power source needs to be cut off, the electromagnet is demagnetised, the valve is opened, and the valve has the extremely high reliability.
Description
technical field [0001] The present invention relates to a valve, in particular to a valve for gas power equipment. Background technique [0002] The surge phenomenon of gas power equipment refers to the low-frequency, high-amplitude oscillation of the airflow along the axis of the device. Surge phenomenon will cause damage to pneumatic equipment, and may lead to safety accidents in severe cases. In order to study the phenomenon of surge in the laboratory, it is necessary to adjust the exhaust back pressure of the pneumatic equipment to create surge. The surge needs to be eliminated in a very short time to ensure the safety of the equipment. Rapid reduction of exhaust back pressure is an effective way to eliminate surge. At present, oil cylinders and air cylinders are used as power to open the valves for anti-surge quick-opening valves in the laboratory. However, in the actual working process, the valve will not open normally when the oil cylinder or cylinder loses oil pr...
Claims
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Application Information
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