Pressure vessel quick-opening device with safety interlock

Abstract

The invention relates to a fast-open door device of a pressure container with safety interlocking. The device comprises a fast-open door, a locking hook and a locking hook air cylinder, wherein the one end of the fast-open door, one end of the locking hook air cylinder and one end of the locking hook are respectively articulated with a cylinder body; a piston rod of the locking hook air cylinder is articulated with the locking hook; a hook head end of the locking hook presses through the fast-open door; an upper connecting seat and a lower connecting seat are respectively fixedly arranged on the cylinder body and the fast-open door; the cylinder body end of the fast-open cylinder and a piston rod end are respectively articulated with the upper connecting seat and the lower connecting seat; the cylinder body is provided with a pneumatic delay emptying device; and a pneumatic control safety interlocking mechanism is arranged among the pneumatic delay emptying device, the locking hook air cylinder and the fast-open door air cylinder, wherein through the pneumatic control safety interlocking mechanism, the locking hook and the fast-open door can be opened sequentially after the complete release of the pressure in the cylinder body is realized, and pressure boosting operation can be carried out after the close of the fast-open door, the locking hook and the pneumatic delay emptying device sequentially. The fast-open door device of the pressure container with safety interlocking has the beneficial effects that the device has the advantages of safe and reliable operation and pollution free at the field environment.

Description

technical field [0001] The invention relates to a pressure-resistant container, in particular to a quick-opening device for a pressure-resistant container. Background technique [0002] If the object handled in the pressure vessel is solid and has a large volume, there must be a door hole of a larger size on the container so that these large-volume solids can be freely loaded or taken out. The door hole of a larger size must be absolutely Press tightly so that when the pressure-resistant container is under pressure, the pressure in the container can be maintained for a long time without leakage. In order to facilitate quick switch or assembly and disassembly of door covers, various quick-opening devices have appeared in industrial production at present. There are mainly staggered tooth type, clamp type, locking hook type, split type and other structures. The closest to the present invention is the locking hook type quick-opening device, which uses multiple cylinders and lo...

AI Technical Summary

Problems solved by technology

The closest to the present invention is the locking hook type quick-opening device, which uses multiple cylinders and locking hooks to open and close the quick-opening door. In order to solve the safety problem of opening and closing the quick-opening door, a safety interlock mechanism needs to be set on the quick-opening device , the safety interlock mechanism of the existing technology can only convert the pressure signal into an electrical signal, and then convert the electrical signal into a mechanical force. Due to the sensitivity of the detection element, it is often used as zero pressure when the pressure is lower than 0.015MPa. As a result, a fatal defect will occur. The moment the quick-opening door is opened, the objects in the equipment will be sprayed outward, which will affect the safety of equipment and operators.

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