Chemical plant top rod explosive disc | high-efficiency pressure relief device

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■Chemical plant top rod explosive disc | high-efficiency pressure relief deviceIt is an overpressure relief device that uses a top rod to assist in achieving precise rupture,

■Mainly used in pressure equipment for high-pressure, high viscosity media or easily crystallized working conditions such as petrochemicals, energy, etc. (such as high-pressure reactors, viscous medium storage tanks),

■The core function is to solve the problems of incomplete rupture and delayed release of traditional explosive discs under high pressure and special media, and to ensure the safety of equipment under harsh working conditions.

■Chemical plant top rod explosive disc | high-efficiency pressure relief deviceStructurally, it adopts a combination design of "diaphragm+top rod", mainly composed of a reverse arch diaphragm, built-in top rod, support seat, and clamp.

The anti arch diaphragm is made of high-strength alloy materials (such as 316L stainless steel, Hastelloy),

■Made through precision machining, initially in a reverse arch shape, it has good compressive and fatigue resistance properties;

■The built-in top rod is fixed at the center of the support seat, with the top aligned with the weak area of the concave surface of the diaphragm. The rod body is made of rigid material to ensure stable thrust when pressure is applied;

■The support seat is used to fix the position of the top rod and support the diaphragm under normal working conditions to prevent deformation of the diaphragm;

■The clamp tightly fixes each component on the equipment flange to ensure sealing performance and avoid medium leakage.

■Its working principle is reflected in“Top pole assisted ruptureThe core advantage of '' is that under normal operating conditions, the diaphragm remains stable under the action of the support seat and clamp,

■Closely adhere to the device interface to achieve reliable sealing; When the pressure inside the equipment rises to the preset burst value, the anti arch diaphragm first undergoes instability and flipping,

■The concave surface turns into a convex surface. During the flipping process, the weak area of the diaphragm comes into contact with the top of the top rod, and the top rod exerts concentrated thrust on the diaphragm under pressure,

■The auxiliary membrane quickly ruptures, forming a regular and unobstructed discharge port, ensuring the smooth discharge of high viscosity or easily crystallized media, and avoiding poor discharge caused by media blockage.