Corrugated pipe sealing rupture disk device
A bursting disc and bellows technology, applied in valve devices, safety valves, engine components, etc., can solve the problems of poor sealing reliability, uneven pressing force, and leak detection of bursting disc pump pressure, so as to ensure reliability and improve Reliability, guaranteed uniformity effect
Active Publication Date: 2015-03-04
SHANGHAI MICROPOWERS
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is to provide a bellows-sealed bursting disc device, which solves the problem of complicated installation of the sealing ring on the inlet side of the bursting disc, uneven pressing force, poor sealing reliability, and the pressure-bearing side of the bursting disc that exist in the current bursting disc device. The leakage detection cannot be carried out at the same pressure as the pressure relief side, resulting in the technical problem that the sealing performance of the pressure relief side cannot be effectively tested. It has the characteristics of convenient operation, high reliability and wide applicability
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[0025] figure 1 with figure 2 Shown as an embodiment of the present invention, the bursting disc assembly is composed of an inlet side clamping flange 5, a bursting disc 4 and a pressure relief side clamping flange 6. The pressure side of the bursting disc 4 is downward and the pressure relief side is upward. , The inlet side clamping flange 5 and the pressure relief side clamping flange 6 clamp the rupture disc 4 and weld it circumferentially on its side to form a reliable seal; the bellows assembly is connected by the bellows to the flange 10, the bellows 9 and T-shaped connecting rod 8, the bellows connecting flange 10 and the upper end of the bellows 9 are welded together to form a reliable seal, while the T-shaped connecting rod 8 is inserted into the bellows 9 and welded to the lower end of the bellows 9 to form a whole Reliable sealing; the pressure relief side clamping flange 6 and the T-shaped connecting rod 8 are connected by threads and fixed with a set screw 7; the...
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The invention discloses a corrugated pipe sealing rupture disk device which comprises a device body and a rupture disk component. The rupture disk component is placed in the device body. The corrugated pipe sealing rupture disk device further comprises a corrugated pipe component, a middle flange, an upper device body and a fastening device. The corrugated pipe component is composed of a corrugated pipe connecting flange, a corrugated pipe and a T-type connecting rod. The upper device body is placed at the upper end of the corrugated pipe connecting flange. The corrugated pipe component is placed inside a cylindrical cavity placed in the middle-upper position of the device body, the T-type connecting rod is connected with a pressure-release side clamping flange of the rupture disk component, the corrugated pipe connecting flange is pressed on the top of the cylindrical cavity of the device body, and the middle flange enables the corrugated pipe component and the upper device body to be pressed and sealed on the device body through a fastening piece. The fastening device is arranged at the upper end of the corrugated pipe component and placed inside an upper device body cavity. The corrugated pipe sealing rupture disk device has the advantages of being convenient to operate, high in sealing reliability, wide in applicability and suitable for various places where overpressure safe protection is conducted by using rupture disks.
Description
Technical field [0001] The invention relates to a safety protection device in the industrial safety field, in particular to a rupture disc device sealed by a bellows. Background technique [0002] Bursting disc device is widely used in petrochemical, shipbuilding and other fields as an automatic release safety protection device to prevent equipment overpressure on pressure vessels or pipeline equipment. Bursting disc device usually consists of bursting disc, inlet side clamping equipment, pressure relief side clamping equipment and related sealing ring. The pressure-loaded side of the rupture disc is the inlet side, and the pressure-releasing side is the pressure relief side; the inlet side and pressure relief side clamping devices are used to clamp the rupture disc and are sealed by a sealing ring to ensure that the medium does not leak. After the rupture disc is installed through the clamping equipment and the sealing ring, and the corresponding sealing surface is qualified fo...
Claims
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IPC IPC(8): F16K17/16
Inventor 黄欢明冯慧华刘惠民蔡新钢苏晨光刘建湖
Owner SHANGHAI MICROPOWERS