CN109147281B - Combustible toxic gas area alarm monitoring method for petrochemical device - Google Patents
Combustible toxic gas area alarm monitoring method for petrochemical device Download PDFInfo
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- CN109147281B CN109147281B CN201710497741.9A CN201710497741A CN109147281B CN 109147281 B CN109147281 B CN 109147281B CN 201710497741 A CN201710497741 A CN 201710497741A CN 109147281 B CN109147281 B CN 109147281B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 239000002341 toxic gas Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- Environmental & Geological Engineering (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a combustible toxic gas area alarm monitoring method for a petrochemical device, which comprises the following components: the method can assist in distinguishing the false alarm condition of the combustible toxic gas alarm; by using the plane depth alarm method, the overall alarm condition of the device is more visually displayed.
Description
Technical Field
The invention relates to the field of safety monitoring of chemical devices, in particular to a combustible and toxic gas area alarm monitoring method for a petrochemical device.
Background
A great amount of inflammable, explosive and toxic substances are used in the production process of the petrochemical industry, and how to ensure safe production, environmental protection and occupational health is a major topic of the petrochemical industry. Based on the guidelines of prevention as the main and the combination of prevention and elimination, the detection and alarm of combustible gas and toxic gas are highly regarded in petrochemical production. The national and petrochemical industry standards all have definite regulations for the detection and alarm of combustible gas and toxic gas.
However, the production process of enterprises can also often cause the safety accidents of toxic gas poisoning and combustible gas explosion. The important reason is that the false alarm rate of combustible toxic gas is high, so that operators are paralyzed to be great. The alarm form of the combustible toxic gas is usually a separate console or is integrated in a DCS console to carry out single-point acousto-optic alarm. When the alarm number of the monitors in the area is more, the more serious and accurate the combustible toxic gas leakage at the point is. The plurality of alarm monitors in one area cannot visually display the alarm condition in the current area without fully utilizing the position relationship.
Disclosure of Invention
In order to solve the technical problems, the invention provides a combustible toxic gas area alarm monitoring method for a petrochemical device, so as to achieve the purposes of realizing the misinformation judgment of combustible toxic gas and the display of area alarm intensity, and preventing the occurrence of personal casualty accidents and safety accidents caused by the leakage of combustible toxic gas.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a combustible toxic gas area alarm monitoring method for a petrochemical device comprises the following components:
establishing a combustible toxic gas region rule: configuring the position of a monitor for monitoring combustible toxic gas and the regional distribution of the device to form a regional distribution rule table for a real-time alarm inference machine;
acquiring real-time data: the system is responsible for collecting real-time data of parameters to be monitored from a device real-time database of an enterprise, refreshing a real-time data table of a server, and simultaneously storing the real-time data in a historical data table of each parameter by taking time as a sequence;
the regional alarm inference machine: calculating the alarm intensity of the whole device area according to the alarm condition, the position distribution and the monitoring range of the monitors, wherein the alarm intensity of each position point is determined by the alarm number and the monitoring distance of the alarm monitors at the position point;
and (3) real-time alarm monitoring: according to the alarm real-time data of the monitor, carrying out regional alarm real-time monitoring, obtaining the alarm state of the device region according to a regional alarm inference machine, storing the alarm state into a real-time data table of the server, and simultaneously sending the alarm state to the client;
and displaying the client result: by inquiring the operation trend condition of a historical data table in a server database and carrying out real-time alarm monitoring on the sent area alarm, the area deep alarm display of the combustible toxic gas is realized, the area is represented by two-dimensional plane coordinates in the area deep alarm display, and the alarm intensity is represented by the red shade.
In the above scheme, the area distribution rule table is represented by two-dimensional plane coordinates, and each monitor is represented by (x, y) coordinates, so that the establishment of the area rule can be realized.
In the above scheme, the calculation method of the area alarm inference machine comprises: each monitor has a certain monitoring range, the farther the position is, the worse the monitoring accuracy and effectiveness are, the mathematical representation method of gradually decreasing radiation from the point to the periphery is established, and when a plurality of monitors are superposed at a position point, the total alarm intensity of the point is represented by adopting an addition method.
Through the technical scheme, the alarm monitoring method for the combustible toxic gas area of the petrochemical device provided by the invention collects the operation data of each alarm by establishing the geographical position configuration of the combustible toxic gas area of the whole device, carries out real-time reasoning, comprehensively judges the alarm condition of the current area when the combustible toxic alarm occurs, expresses the alarm condition of the area by the depth of color, realizes the misinformation judgment of the combustible toxic gas and the display of the alarm intensity of the area, and prevents the occurrence of personal casualty accidents and safety accidents caused by the leakage of the combustible toxic gas.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a combustible toxic gas area alarm monitoring method for a petrochemical device according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention provides a combustible toxic gas area alarm monitoring method for a petrochemical device, which can effectively assist in distinguishing the false alarm condition of a combustible toxic gas alarm as shown in figure 1, and simultaneously, the integral alarm condition of the device is more intuitively displayed by using a plane depth alarm method.
The specific embodiment of the invention is as follows:
the hardware structure of the system is shown in fig. 1, and a server is required to be connected with a device real-time database of an enterprise through a local area network, and provide functions of viewing and querying other equipment or a client of the server through the local area network.
The method is mainly realized by establishing a combustible toxic gas region rule, acquiring real-time data, alarming a reasoning machine in a region, alarming and monitoring in real time and displaying a client result.
Establishing a combustible toxic gas region rule: a user configuration tool is written through a programming language of regional alarm rule configuration software such as C #, VC + +, and the like, and a user can input the position distribution and the monitoring range of the combustible toxic gas monitor into a regional distribution rule table of a server through the user configuration tool, wherein the regional distribution rule table comprises the position (X, Y axis coordinates), the monitoring range, description and the like of a monitoring point.
Acquiring real-time data: a real-time data acquisition program is compiled through a programming language, so that corresponding real-time data are read from a device real-time database of an enterprise according to parameter information to be monitored, a server-side real-time data table is refreshed, and the real-time data table is stored in a historical data table of a server.
The regional alarm inference machine: the real-time operation values of all monitoring parameters are read from a database through a programming language, the alarm depth of an initialization area is zero, the alarm condition of each monitoring parameter is searched in a circulating mode, when the parameters alarm, the alarm intensity sent from the point is reduced at a trapezoidal speed to cover an area range with the point as a central point and the monitoring range as a radius, and the alarm depth of all points in the area is accumulated.
And (3) real-time alarm monitoring: calling a regional alarm inference machine through a programming language to obtain the alarm intensity of each point in a region, storing the alarm intensity into a real-time data table in a database, recording the alarm state of a certain point when the alarm intensity of the certain point reaches a certain value, storing the alarm state into the real-time data table in the database, and simultaneously sending regional alarms to a client.
And (3) real-time alarm display of the client: and the display of the parameter operation trend condition and the real-time display of the area alarm information are realized through a programming language. The regional alarm information sent by real-time alarm monitoring is received mainly through a network communication mode (e.g. socket) and is displayed through a plane effect graph. And the red shades represent the alarm intensity of each point to form the display of the alarm color of the area.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. The combustible toxic gas area alarm monitoring method for the petrochemical device is characterized by comprising the following components:
establishing a combustible toxic gas region rule: configuring the position of a monitor for monitoring combustible toxic gas and the regional distribution of the device to form a regional distribution rule table for a real-time alarm inference machine;
acquiring real-time data: the system is responsible for collecting real-time data of parameters to be monitored from a device real-time database of an enterprise, refreshing a real-time data table of a server, and simultaneously storing the real-time data in a historical data table of each parameter by taking time as a sequence;
the regional alarm inference machine: calculating the alarm intensity of the whole device area according to the alarm condition, the position distribution and the monitoring range of the monitors, wherein the alarm intensity of each position point is determined by the alarm number and the monitoring distance of the alarm monitors at the position point;
and (3) real-time alarm monitoring: according to the alarm real-time data of the monitor, carrying out regional alarm real-time monitoring, obtaining the alarm state of the device region according to a regional alarm inference machine, storing the alarm state into a real-time data table of the server, and simultaneously sending the alarm state to the client;
and displaying the client result: by inquiring the operation trend condition of a historical data table in a server database and carrying out real-time alarm monitoring on the sent area alarm, the area deep alarm display of the combustible toxic gas is realized, the area is represented by two-dimensional plane coordinates in the area deep alarm display, and the alarm intensity is represented by the red shade.
2. The method as claimed in claim 1, wherein the region distribution rule table is expressed by two-dimensional plane coordinates, and each monitor is expressed by (x, y) coordinates, so as to establish the region rule.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710497741.9A CN109147281B (en) | 2017-06-27 | 2017-06-27 | Combustible toxic gas area alarm monitoring method for petrochemical device |
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| CN201710497741.9A CN109147281B (en) | 2017-06-27 | 2017-06-27 | Combustible toxic gas area alarm monitoring method for petrochemical device |
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| CN109147281B true CN109147281B (en) | 2020-03-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080168826A1 (en) * | 2007-01-17 | 2008-07-17 | Motorola, Inc. | Method and system for gas leak detection and localization |
| CN104808651B (en) * | 2015-04-20 | 2017-09-29 | 中国石油化工股份有限公司青岛安全工程研究院 | The measuring method of the reasonable alarm limit of chemical plant installations key parameter |
| CN105488220A (en) * | 2015-12-23 | 2016-04-13 | 天维尔信息科技股份有限公司 | Fire-fighting early-warning method and device |
| CN106501451B (en) * | 2016-10-21 | 2018-10-19 | 中国科学院上海高等研究院 | A kind of disposition optimization method, system and the server of gas sensor |
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