Safety interlock control method and device for quick-opening door of pressure vessel
A safety interlock, pressure vessel technology, applied in pressure vessels, fixed-capacity gas storage tanks, gas/liquid distribution and storage, etc. problems, to achieve the effect of automatic control, high safety, and easy production process
Active Publication Date: 2018-09-28
江门市众宏自动化设备有限公司
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Problems solved by technology
All components on the pressure vessel are controlled by strong electricity. Since the pressure vessel stores high-temperature steam, the lines and travel switches on the pressure vessel will experience aging and leakage, which will seriously affect the safety of employees.
Users are still unable to change the mode of system operation according to the needs of production, resulting in the inability to quickly respond to the modified production process and production process, and the cost of modifying the entire circuit loop is huge
Method used
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Embodiment Construction
[0011] The present invention will be further described below in conjunction with accompanying drawing and example.
[0012] Such as figure 1 As shown in -3, the present invention provides a safety interlock control method for the quick opening of the pressure vessel door. When the lid of the container needs to be closed, the sensor detects that the pin of the small cylinder is in place and the motor is in place, and the system controls the large cylinder to close the lid of the container. , after the large cylinder is closed in place, the system controls the motor to rotate the tank cover, and after the motor is closed, the system controls the small cylinder pin until the sensor detects that the small cylinder pin is in place, and the cover is closed; when the container cover needs to be opened, the system controls the bottom of the container Exhaust until the sensor detects that the temperature and pressure meet the conditions for opening the container, the system stops relea...
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The invention discloses a quick-opening safety interlocking control method and device for a pressure vessel. The method comprises the steps that a PLC control system judges the operation condition of the pressure vessel through an input signal of a sensor, and a preset production technical process is automatically carried out. The quick-opening safety interlocking control device for the pressure vessel comprises a vessel tank, the sensor, a large cylinder, a small cylinder, a locating pin, a motor and the PLC control system, the sensor is installed on the vessel tank, the large cylinder controls a vessel tank cover to be opened or closed, the small cylinder controls the locating pin to be pulled out or inserted, the motor controls the vessel tank cover to rotate, and the sensor, the large cylinder, the small cylinder and the motor are electrically connected with the PLC control system. According to the quick-opening safety interlocking control method and device for the pressure vessel, automatic control is achieved, the production technical process can be conveniently modified, safety performance is high, and networked remote monitoring can be achieved.
Description
technical field [0001] The invention relates to the field of pressure vessel control devices, in particular to a safety interlock control method and device for quick opening of a pressure vessel door. Background technique [0002] At present, the control system of the pressure vessel is a traditional mechanical wiring method. Not only is the wiring complicated, but it cannot automatically identify the high-temperature and high-pressure steam in the pressure vessel, which requires high skill levels of employees. Due to the high temperature and high pressure inside the pressure vessel, it is very dangerous when an employee misuses an irreversible situation. All components on the pressure vessel are controlled by strong electricity. Since the pressure vessel stores high-temperature steam, the lines and travel switches on the pressure vessel will experience aging and leakage, which will seriously affect the safety of employees. Users are still unable to change the operating mod...
Claims
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IPC IPC(8): F16J13/24
CPCF16J13/24
Inventor 李荣波谢坚鎏陈发添吴耀新
Owner 江门市众宏自动化设备有限公司