CN110566818B - Long-distance pipeline safety instrument system setting method - Google Patents
Long-distance pipeline safety instrument system setting method Download PDFInfo
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- CN110566818B CN110566818B CN201810582875.5A CN201810582875A CN110566818B CN 110566818 B CN110566818 B CN 110566818B CN 201810582875 A CN201810582875 A CN 201810582875A CN 110566818 B CN110566818 B CN 110566818B
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- safety
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- instrument system
- safety instrument
- valve chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Abstract
The invention discloses a method for setting a safety instrument system of a long-distance pipeline, which belongs to the field of petrochemical safety and specifically comprises the following steps: designing hardware of a station level safety instrument system; designing the hardware of the valve chamber safety instrument system; and (4) communication design of a station level safety instrument system. The invention solves the problems of fire, environmental pollution and the like caused by oil pipeline leakage due to water hammer of oil pipeline stations and valve chambers of long-distance pipeline oil transportation; through setting up independent safety instrument system, promoted long defeated pipe-line system safety interlocking function's reliability, accomplish the transplantation of safety interlocking function from SCADA system to independent SIS system to realize the intercommunication of field station SIS system, accomplish long defeated pipeline water hammer protect function, realize the operation of whole long defeated pipeline safety and stability.
Description
Technical Field
The invention belongs to the field of petrochemical safety, and particularly relates to a method for setting a safety instrument system of a long-distance pipeline.
Background
The long-distance pipeline is the most main oil and gas conveying device in China petrochemical industry, and only the length of the oil conveying pipeline exceeds 6000 kilometers. The long-period stable operation of the long-distance pipeline plays a vital role in reducing accidents, reducing economic loss and preventing environmental pollution for enterprises. At present, the control and safety protection functions of China petrochemical long-distance pipelines are mostly realized by adopting an SCADA system, an independent safety instrument system is not arranged, and an oil depot, a mixed oil treatment distillation device and the like arranged in the long-distance pipelines are also centralized in the range of the SCADA system; during design, control and protection cannot be separated independently, so that an independent SIS system is not arranged, but an instrument setting and control system is designed by referring to SIS related data, for example, an emergency stop lamp is arranged, so that the existing protection measures are low in reliability and high in misoperation rate, production enterprises such as long-distance pipelines have to bypass the originally designed safety protection measures, and the main reason of major production accidents is caused.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the method for setting the safety instrument system of the long-distance pipeline, which is reasonable in design, overcomes the defects of the prior art and has a good effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for setting a safety instrument system of a long-distance pipeline specifically comprises the following steps:
step 1: designing hardware of a station level safety instrument system;
step 2: designing the hardware of the valve chamber safety instrument system;
and step 3: communication design of a station level safety instrument system; the method specifically comprises the communication design of each oil transportation station and a valve chamber safety instrument system; and each oil transportation station and valve chamber are in communication design with a safety instrument system of a master control room.
Preferably, in step 1, the method specifically comprises the following steps:
step 1.1: independent Safety instrument system hardware is arranged at each oil delivery station, and the Safety Integrity level of the system reaches SIL2(Safety Integrity level);
step 1.2: removing the instrument point signals of the station safety interlocking loop from an SCADA (Supervisory Control And Data Acquisition And monitoring Control system) system, And accessing a newly-set safety instrument system card; the safety interlocking loop instrument point signals comprise an inbound pressure high signal, an outbound pressure high signal, a tank level high signal downloaded by an oil delivery station and a tank level low signal downloaded by an oil delivery station.
Preferably, in step 2, the method specifically comprises the following steps:
step 2.1: disconnecting the valve chamber shut-off signal from the existing SCADA system;
step 2.2: wiring the valve chamber to the station safety instrumentation system closest to the valve chamber.
Preferably, in step 3, the method specifically comprises the following steps:
step 3.1: establishing a station level SIS (Safety instrumentation System) System communication protocol;
step 3.2: and formulating the abnormal working conditions of the individual station yards and the linkage logic between the upstream station yard and the downstream station yard after the stop of the operation.
The invention has the following beneficial technical effects:
the invention solves the problems of fire, environmental pollution and the like caused by oil pipeline leakage due to water hammer of oil pipeline stations and valve chambers of long-distance pipeline oil transportation; through setting up independent safety instrument system, promoted long defeated pipe-line system safety interlocking function's reliability, accomplish the transplantation of safety interlocking function from SCADA system to independent SIS system to realize the intercommunication of field station SIS system, accomplish long defeated pipeline water hammer protect function, realize the operation of whole long defeated pipeline safety and stability.
Drawings
Fig. 1 is a schematic diagram of a conventional long-distance pipeline safety control system.
Fig. 2 is a schematic view of the arrangement structure of the long-distance pipeline safety instrument system.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
the existing long-distance pipeline safety control system is configured as shown in fig. 1.
The arrangement structure of the long-distance pipeline safety instrument system is shown in figure 2.
A method for setting a safety instrument system of a long-distance pipeline specifically comprises the following steps:
step 1: designing hardware of a station level safety instrument system;
step 2: designing the hardware of the valve chamber safety instrument system;
and step 3: communication design of a station level safety instrument system; the method specifically comprises the communication design of each oil transportation station and a valve chamber safety instrument system; and each oil transportation station and valve chamber are in communication design with a safety instrument system of a master control room.
In step 1, the method specifically comprises the following steps:
step 1.1: independent Safety instrument system hardware is arranged at each oil delivery station, and the Safety Integrity level of the system reaches SIL2(Safety Integrity level);
step 1.2: removing the instrument point signals of the station safety interlocking loop from an SCADA (Supervisory Control And Data Acquisition And monitoring Control system) system, And accessing a newly-set safety instrument system card; the safety interlocking loop instrument point signals comprise an inbound pressure high signal, an outbound pressure high signal, a tank level high signal downloaded by an oil delivery station and a tank level low signal downloaded by an oil delivery station.
In the step 2, the method specifically comprises the following steps:
step 2.1: disconnecting the valve chamber shut-off signal from the existing SCADA system;
step 2.2: wiring the valve chamber to the station safety instrumentation system closest to the valve chamber.
In step 3, the method specifically comprises the following steps:
step 3.1: formulating a communication protocol of the field station level SIS system;
step 3.2: and formulating the abnormal working conditions of the individual station yards and the linkage logic between the upstream station yard and the downstream station yard after the stop of the operation.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (1)
1. A method for setting a safety instrument system of a long-distance pipeline is characterized by comprising the following steps: the method specifically comprises the following steps:
step 1: designing hardware of a station level safety instrument system; the method specifically comprises the following steps:
step 1.1: independent safety instrument system hardware is arranged at each oil transportation station, and the safety integrity level of the system reaches SIL2 level;
step 1.2: removing the instrument point signals of the station safety interlocking loop from the SCADA system, and accessing a newly-arranged safety instrument system clamping piece; the safety interlocking loop instrument point signals comprise an inbound pressure high signal, an outbound pressure high signal, a tank level high signal downloaded by an oil delivery station and a tank level low signal downloaded by an oil delivery station;
step 2: designing the hardware of the valve chamber safety instrument system; the method specifically comprises the following steps:
step 2.1: disconnecting the valve chamber shut-off signal from the existing SCADA system;
step 2.2: wiring the valve chamber to a station safety instrument system nearest to the valve chamber;
and step 3: communication design of a station level safety instrument system; the method specifically comprises the communication design of each oil transportation station and a valve chamber safety instrument system; each oil transportation station and valve chamber are in communication design with a master control room safety instrument system;
the method specifically comprises the following steps:
step 3.1: establishing communication among SIS according to a field station level SIS system communication protocol;
step 3.2: and formulating an abnormal working condition of the independent station yard and a linkage scheme between the upstream station yard and the downstream station yard after the stop of the transportation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582875.5A CN110566818B (en) | 2018-06-06 | 2018-06-06 | Long-distance pipeline safety instrument system setting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582875.5A CN110566818B (en) | 2018-06-06 | 2018-06-06 | Long-distance pipeline safety instrument system setting method |
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| Publication Number | Publication Date |
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| CN110566818A CN110566818A (en) | 2019-12-13 |
| CN110566818B true CN110566818B (en) | 2021-07-16 |
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Citations (7)
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| CN201122239Y (en) * | 2007-11-09 | 2008-09-24 | 天津中德信达科技有限公司 | Valve monitoring and high-low liquid level interlocking warning system |
| CN101392869A (en) * | 2007-09-17 | 2009-03-25 | 北京昊科航科技有限责任公司 | Safety alarm and leakage alarm method for pipe |
| CN102799158A (en) * | 2012-08-03 | 2012-11-28 | 卡斯柯信号有限公司 | Computer interlocking system with centralized control function |
| EP2592318A1 (en) * | 2011-11-08 | 2013-05-15 | Vetco Gray Controls Limited | Pipeline protection systems |
| CN103777605A (en) * | 2014-01-21 | 2014-05-07 | 中国安全生产科学研究院 | Tank field monitoring and early warning mainframe and monitoring and early warning method thereof |
| CN203870456U (en) * | 2014-05-27 | 2014-10-08 | 鞍山易兴自动化工程有限公司 | Valve control system with video monitoring used for natural gas long-distance transport pipe |
| CN205563244U (en) * | 2016-01-28 | 2016-09-07 | 宜宾天原集团股份有限公司 | Complete or collected works become safety instrument system |
-
2018
- 2018-06-06 CN CN201810582875.5A patent/CN110566818B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392869A (en) * | 2007-09-17 | 2009-03-25 | 北京昊科航科技有限责任公司 | Safety alarm and leakage alarm method for pipe |
| CN201122239Y (en) * | 2007-11-09 | 2008-09-24 | 天津中德信达科技有限公司 | Valve monitoring and high-low liquid level interlocking warning system |
| EP2592318A1 (en) * | 2011-11-08 | 2013-05-15 | Vetco Gray Controls Limited | Pipeline protection systems |
| CN102799158A (en) * | 2012-08-03 | 2012-11-28 | 卡斯柯信号有限公司 | Computer interlocking system with centralized control function |
| CN103777605A (en) * | 2014-01-21 | 2014-05-07 | 中国安全生产科学研究院 | Tank field monitoring and early warning mainframe and monitoring and early warning method thereof |
| CN203870456U (en) * | 2014-05-27 | 2014-10-08 | 鞍山易兴自动化工程有限公司 | Valve control system with video monitoring used for natural gas long-distance transport pipe |
| CN205563244U (en) * | 2016-01-28 | 2016-09-07 | 宜宾天原集团股份有限公司 | Complete or collected works become safety instrument system |
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| Title |
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| 大庆-锦西输油管道工程ESD系统的设计;陈国元;《自动化博览》;20090131(第1期);第46页-第48页 * |
| 长输管道安全仪表系统设计;李冬华;《中国仪器仪表》;20120331(第3期);说明书第56页右栏第1行-第59页左栏第1行，图1 * |
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| CN110566818A (en) | 2019-12-13 |
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