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Chemical plant online safety diagnosis and accident disposal guidance method and system

A chemical plant and accident technology, applied in the field of chemical plant online safety diagnosis and accident handling guidance method and system, can solve the problem of limited improvement of chemical plant safety, low degree of automation of chemical plant safety system, and inability to comprehensively diagnose chemical plants Safety status and other issues to achieve the effect of improving safety and reducing accident losses

Pending Publication Date: 2020-05-26
浙江天禄环境科技有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it can only monitor part of the status of the chemical plant, and cannot comprehensively diagnose the safety status of the chemical plant. The degree of improvement in the safety of the chemical plant is very limited, and it cannot solve the problem of low automation of the current chemical plant safety system.

Method used

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  • Chemical plant online safety diagnosis and accident disposal guidance method and system
  • Chemical plant online safety diagnosis and accident disposal guidance method and system
  • Chemical plant online safety diagnosis and accident disposal guidance method and system

Examples

Experimental program
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Effect test

Embodiment 1

[0023] A chemical plant online safety diagnosis and accident handling guidance method, such as figure 1 shown, including the following steps:

[0024] A') According to the GIS model of the chemical plant, the area between the chemical plant equipment and between the equipment and the building is divided into sub-areas, and an area table is established for each sub-area. The area table includes the area position, adjacent equipment, adjacent area, adjacent building and Status information, the status information of the area table includes temperature, concentration of dangerous gas, type of dangerous gas, wind direction and wind force. Such as figure 2 As shown, the method of dividing the sub-area includes: A'1) importing the GIS model of the chemical plant, removing the pipeline and the equipment whose volume is smaller than the set threshold; A'2) establishing the circumscribed cuboid of the equipment; Fill the cuboid area between the factory buildings, so that the cuboid a...

Embodiment 2

[0035] This embodiment is further improved on the basis of Embodiment 1. In step A'5 of this embodiment, a second side length threshold is also set, and the second side length threshold is that accidents occurring in the chemical plant area are dangerous When the gas leaks, under the condition of no wind, the distance that the leakage center spreads within T time; use the side length threshold and the second side length threshold respectively to divide and save the sub-regions; when a fire occurs in the chemical plant area, Use the sub-area corresponding to the side length threshold. When a dangerous gas leak occurs in the chemical plant area, use the sub-area corresponding to the second side length threshold. If fire and dangerous gas leakage occur at the same time, select the side length threshold and the second side length The division of subregions corresponding to smaller values ​​in the threshold. This embodiment adopts different side length thresholds, which can improve...

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Abstract

The invention relates to the technical field of chemical plant safety, in particular to a chemical plant online safety diagnosis and accident disposal guidance method and system, and the method comprises the following steps: A), building and storing a monitoring table and a plan, and entering a step B if an alarm is given; b) if the trigger condition is not satisfied, closing the alarm, otherwise,triggering the plan and the update table to update the corresponding alarm condition, and displaying the accident handling content; c) reading the monitoring data of the chemical plant in a period T,if the monitoring data meets an alarm condition, giving an alarm, improving the accident level by one level, and displaying the accident grading disposal content of the corresponding level; and D) ifthe monitoring data meets the release condition, releasing the alarm, and returning to the step A. The invention has the substantive effects of assisting the disposal of the accident, displaying thesub-region state of the chemical plant for the operator on duty, making a personnel evacuation scheme in a targeted manner, reducing the accident loss, and improving the personnel safety in the accident.

Description

technical field [0001] The invention relates to the technical field of chemical plant safety, in particular to a chemical plant online safety diagnosis and accident handling guidance method and system. Background technique [0002] The DCS system of a chemical plant is a system that controls the production process and is the most important control center of a chemical plant. DCS is the English abbreviation of Distributed Control System (Distributed Control System), also known as Distributed Control System. The main features of DCS are "decentralized control" and "centralized management". DCS usually uses several controllers and process stations to control many control points in a production process, and the controllers are connected through the network and can exchange data. DCS is divided structurally, including process level, operation level and management level. Management level refers to the factory management information system. From the management level of DCS, the...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/04G06Q50/26G08B19/00
CPCG06Q10/0635G06Q10/0637G06Q50/04G06Q50/265G08B19/00Y02P90/30
Inventor 蒋贤武吕彬峰马倩王建中冯政涵潘志钢
Owner 浙江天禄环境科技有限公司
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