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Development and Application of Data Analysis System for Oil-water Well Production    2021, 57 (6): 0-0.   Abstract （903）            Knowledge map    Save Based on the example of designing and realizing the production data analysis function of oil wells in oil fields, this paper introduces how to Visual C#. it net is the development platform, using open source MySQL database, HighCharts components, jQuery EasyUI framework and other technologies, make full use of the WebServer interface of the existing system to quickly build the process of Web applications based on the B/S mode. Related Articles | Metrics

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Research on Optimization Technology for Electric Desalination System Based on Big Data Analysis of Operating Parameters    2021, 57 (5): 0-0.   Abstract （640）            Knowledge map    Save Based on 400 days-period of operating data of the electrical desalination system, the big data analysis method was used to establish a mapping relationship between the operating parameters and the after-desalination salt content. The model was then applied in intelligent prediction of the after-desalination salt content for a total of 1052 operating samples acquired form Apr. 2019 to Sept. 2020. An average error of 0.42mg/L was found by comparing the prediction salt content with actual value. In order to analysis the influence of operating parameters on salt removing efficiency, a model-based optimization method was proposed. The method was used to study several key factors that affect the salt removing efficiency for electric desalination process. Based on the screening results, several key operating parameters that role the salt removing efficiency for electric desalination system were analyzed and corresponding optimal operation suggestions provided. The after-desalination salt content can be significantly reduced by following suggestions provided with the optimization method. Related Articles | Metrics

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Perforation Depth Control Method Based on Casing Hoop Automatic Tracking and Recognition Technology Automation in Petro-Chemical Industry    2022, 58 (5): 0-0.   Abstract （573）            Knowledge map    Save Related Articles | Metrics

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Discussion of High pressure pump Transducer Control in RO system    2014, 50 (6): 0-0.   Abstract （530）            Knowledge map    Save Abstract: This paper introduce control requirement for RO and high pressure pump ，sketch the principle and inner important parameters. According to the characteristics for RO system and the high pressure pump performance curve , adjust inner parameters of transducer, direct starting High pressure pump, RO system is smooth running. Transducer Control High pressure pump and cancle Electronically VALVE is able to fulfill RO requirements Related Articles | Metrics

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Application analysis of image flame detector in the field of coal chemical industry    2015, 51 (5): 0-0.   Abstract （517）            Knowledge map    Save This paper mainly introduced the characteristics of the image flame detector and detailed analyzed the application situation and prospects in the field of coal chemical industry. The article first brief introduce the history of development, technology development phase and the standers which made in China or abroad of the image flame detector .Then by chart formulated sensitivity in resolution and all kinds of detection parameters of this kind of detector are superior to other devices under the background of the current technology .Wide use range, the characteristics of fire and fewer false positives make it more widely applied in industrial environment conditions. In this paper, even according to the factors which caused fire in industrial environment, we analyzed and compared the effectiveness of several detection methods. Conclusion: The image flame detector flame detector can be faster, more accurate, effectively stop the spread of fire and reduce the occurrence of major accidents in the field of coal chemical industry Related Articles | Metrics

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Design on Inductive Lightning Protection in Stations for Oil/Gas Pipelines    2022, 58 (2): 0-0.   Abstract （504）            Knowledge map    Save With the continuous improvement of oil and gas pipeline station information system, the number of instrument, communication and other weak current equipment is also increasing, and the automation and communication system in the station has become the nerve center of oil and gas pipeline. However, most of the oil and gas pipeline stations are located in areas with extremely complex thunderstorm activities, and there are many devices, so lightning strikes occur from time to time. Lightning strikes are mainly manifested as direct lightning and inductive lightning. Inductive lightning usually harms weak current equipment such as instrument and communication, resulting in the interruption of station information system and affecting the monitoring and information transmission functions of oil and gas pipelines. For the stations of Sino-Myanmar Oil/Gas Pipelines (the pipeline sections in Guizhou Province) is taken as an research case. According to the characteristics of oil and gas pipeline stations, this paper analyzes its causes in terms of manifestations of induction lightning invading into weak current equipment, and adopts comprehensive lightning protection design concepts, namely, shielding, equalizing voltage and grounding, proposes specific lightning protection measures so as to reduce the induction lightning, and achieves better lightning protection effect and improves the reliability of oil and gas pipeline station operation. Related Articles | Metrics

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The Status and Improvement of Lightning Fire Prevention Technology for Large Floating Roof Storage Tanks Automation in Petro-Chemical Industry    2023, 59 (1): 0-0.   Abstract （488）            Knowledge map    Save With the development trend of large-scale tank design and construction, it is of great practical significance to ensure the safe operation of tanks and prevent lightning fire accidents. For large floating roof storage tank, special attention shall be paid to prevent lightning fire of sealing device. Combined with several typical tank fire accidents, the reasons of seal device failure in tank design, construction and operation and maintenance are analyzed. The present situation and existing problems of domestic storage tank lightning protection technology are expounded from the aspects of second sealing device, electrical connection of facilities, lightning protection and grounding detection. The design concept and application of new oil&gas free sealing device, active nitrogen protection system and lightning warning system for storage tanks are introduced. From the aspects of design, construction, sealing device form, tank lightning fire fighting and tank safety management mode, the measures and suggestions to enhance the ability of tank to prevent lightning fire risk are put forward. Related Articles | Metrics

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The APC and RTO Development Technology of Ethylene Cracker Based on NIR Jing-Cheng Yang    2014, 50 (4): 0-0.   Abstract （478）            Knowledge map    Save This paper mainly introduces advanced process control and real-time optimization technology development, research and application of characteristic of cracker in ethylene based on online NIR analysis of ethylene .NIR Analyzer configuration requirements and functions is described in detail. APC and RTO implementation of typical control schemes in cracking furnace are described in detail. The operation interface of the program is explained. It is described the requirements of oil POINA model. Finally,It is introduced each external conditions which the APC control is need. Related Articles | Metrics

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Quantitative Reliability Evaluating for DCS    2014, 50 (2): 0-0.   Abstract （476）            Knowledge map    Save Reliability has been the important index for DCS (Distributed Control System). A safe and reliable control system can reduce unexpected shutdown during normal processing, improve production quality, lower maintenance cost and reduce investment risk. It shall be considered how to evaluate and improve reliability of DCS during system design. As a subject for science, reliability engineering has developed many analysis technologies, which is helpful to find system status when elements are failure. How to evaluate and analyze DCS reliability by the method of quantitative analysis is mainly introduced in this article. Related Articles | Metrics

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Design on the Heat Source System of 6th Operation Platform Shengli Oilfield    2014, 50 (5): 0-0.   Abstract （470）            Knowledge map    Save The 6th operation platform f shengli oilfield is designed as a jack-up workover platform and it needs heat source system for heating and heat preservation.The paper compared parameters of different heating mediums and finally chose the steam system as the heat source system. Then analysis the main component of the steam system, and made calculations, analysis and descriptions of the boiler, water treatment system, depressurization system, steam trap set and condensate system to finish the design of the heat source system. Related Articles | Metrics

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Difference of Temperature-Pressure Compensation Formula to Gas Flowrate Automation in Petro-Chemical Industry    2022, 58 (1): 0-0.   Abstract （463）            Knowledge map    Save Related Articles | Metrics

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WirelessHART Network Design Rules    2014, 50 (3): 0-0.   Abstract （430）      PDF       Knowledge map    Save WirelessHART process wireless system is finding wider application, users have deeper understanding about requirements of WirelessHART process wireless network design .This paper first describes the WirelessHART process wireless network design rules, and then introduces the can according to the specific condition of production field break these rules, the last list when the actual WirelessHART network can't satisfy the design rules, several measures of strengthening WirelessHART network. Related Articles | Metrics

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Research on protective layer strategy in high pressure string to low pressure reformation Automation in Petro-Chemical Industry    2024, 60 (1): 0-0.   Abstract （398）            Knowledge map    Save The protective layer analysis (LOPA) method was used to identify the effectiveness of each protective layer in the dangerous scenario of high pressure string and low pressure in petrochemical plant. The LOPA method and its characteristics are introduced, and the failure data of various dangerous scenarios are compared according to the actual transformation cases. The total protection layer failure data is calculated according to the LOPA Settings in different series pressures. By exploring the better series pressure transformation scheme, the risk reduction in different scenarios can be identified effectively, and reasonable and effective improvement measures can be selected, which provides a theoretical basis for the high pressure series low pressure transformation of petrochemical equipment Related Articles | Metrics

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Fully-Integrated Multi-Applications Wireless Communication Network for Process Industry    2015, 51 (2): 0-0.   Abstract （371）            Knowledge map    Save With the rapid development of wireless communication technology for process industry, wireless network with simple architecture of wireless gateway and wireless field device has been developed to a fully integrated multi application wireless communication network. After briefly summarizing the characteristics of fully integrated multi application wireless communication network, introduced with emphasis a number of manufacturers to develop wireless communication network devices, system composition and integration with the host system for fully-integrated multi-applications wireless communication network. Related Articles | Metrics

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2015, 51 (6): 0-0.   Abstract （368）            Knowledge map    Save Related Articles | Metrics

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The Apply of SmartPlant 3D in Instrument Design    2014, 50 (4): 0-0.   Abstract （340）            Knowledge map    Save With the traditional design, AutoCAD software is the main tool for cabling layout drawings, which just could describe the cable layout path roughly. Using SmartPlant 3D software, all equipments could be located accurately, so the cable path is more actual. Besides, the cable model contains more data that make the design more efficient. After modeling, we could get material bill of cable, cable tray, cable conduit, which are more accurate and applied. The advantage of this design method has been tested and verified. Related Articles | Metrics

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abcabc    2015, 51 (3): 0-0.   Abstract （327）            Knowledge map    Save abc Related Articles | Metrics

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he construction and application of SCADA system of China-Kazakhstan Natural Gas Pipeline    2015, 51 (2): 0-0.   Abstract （325）            Knowledge map    Save China-Kazakhstan Natural Gas Pipeline is part of Trans Asia Gas Pipeline (which is an important strategic energy channel which is invested and constructed by Chinese government and China National Petroleum Corporation), it’s the longest and largest long distanced gas pipeline invested, constructed and operated by Chinese corporation abroad. The pipeline adopted many advanced international technologies and standards from very beginning in order to construct a modern long distanced pipeline. Facing particular situations, SCADA (Supervisory Control and Data Acquisition) system of the pipeline integrated dispatch center, management office, station control system, station devices, line block valves together, realized the function of data acquisition and supervisory control through three levels, raised the technology level of automation, informatization, digitalization and provided a solid technical support for the safe and ordered operation and implementation of the gas pipeline operation. Related Articles | Metrics

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The Research on Cable Penetration Design of Control Room and Field Auxiliary Room    2014, 50 (3): 0-0.   Abstract （322）      PDF       Knowledge map    Save No matter which way to cable entry of control room and field auxiliary room, the selection and design of cable entrance seal mode needs to be taken seriously by designer.It relates to safety, construction, maintenance, investment, etc. Analyzed common mode about cable seal & inlet wire of the control room and field auxiliary room , combined with engineering practices, it expounds the several problems and suggestions that should be paid attention to in the design of sealing method. Related Articles | Metrics

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Brief Analysis of the application of air blowing liquid level gauge in sulfur pond    2014, 50 (2): 0-0.   Abstract （317）            Knowledge map    Save According to character of the liquid sulfur pond, this article briefly discussed radar level gauge measuring principle, characteristics and application disadvantages in liquid sulfur pond, briefly discussed the principle of air blowing liquid level gauge and the successful application and promotion in liquid level measuring in liquid sulfur pond, and discussed the strengths and weaknesses of this type of liquid level gauge.. Related Articles | Metrics

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Discussion Application of High Integrity Pressure Protection System (HIPPS)    2015, 51 (6): 0-0.   Abstract （306）            Knowledge map    Save Along with the development requirement of chemical and refinery industry as well as the safety improvement requested by Government, the passive pressure relief system cannot be satisfied the safety requirement. Compared with western country, active safety such as high integrity pressure protection system (HIPPS) had been used in part of the chemical and refinery projects. What is difference on using HIPPS? It depends on standards and codes, no relative in domestic whereas recommended in western country. This paper described the concept, selection principle, implement, and detail specification of HIPPS, which will be the reference on adopting the HIPPS. Related Articles | Metrics

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Design Method of Offshore Oil Platform Wellhead Control Panel    2015, 51 (6): 0-0.   Abstract （304）            Knowledge map    Save Wellhead control panel is one of the most important wellhead control device at the oil and gas production process on the offshore oil platform. The opening and closing of all of surface-controlled sub-surface safety valve and surface safety valve are controlled by wellhead control panel which plays an important role for safety production of the whole offshore oil platform. Firstly, the working principle and internal composition of wellhead control panel are introduced in the paper. Then the detail design methods and formulas of wellhead control panel are introduced in the paper. The paper not only provides engineering guidance for designing wellhead control panel, but also provides guideline of operation and maintenance for operators. Related Articles | Metrics

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The length-calculation and Selection of Instrument Cable    2014, 50 (5): 0-0.   Abstract （302）            Knowledge map    Save The load capacity of the instrument signal circuit is analyzed, and then the maximal cable length is calculated according to the load limitation of several typical two-wire instrument in this paper. By the contrast, the maximal laying length is calculated according to the design code, and the largest laying length with different power instruments is draw. For intrinsically safe circuit, cable maximal laying length is calculated according to the two formulas of intrinsically safe circuit, finally, the selection step of instrument signal cable is summarized. Related Articles | Metrics

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Problem Caused by Control Valve Fail Acting Mode and Solution    2015, 51 (5): 0-0.   Abstract （298）            Knowledge map    Save Control valve fail acting mode is always not understood totally. If The fail acting mode unmatch the configuration, it will cause potential safety problem easily, especially in complicated control loop. This article provide one simple and practical solution, which can solve the problem completely. Related Articles | Metrics

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Guided wave radar level meter in the steam drum level measurement of new practices    2014, 50 (4): 0-0.   Abstract （297）            Knowledge map    Save Abstract：Guided wave radar level gauge with GPC compared with ordinary guided wave radar, which is not high temperature, high pressure, steam mixture, density, bubbling / boiling, the effects of different dielectric constant and viscosity, vapor automatically with real-time compensation technology to ensure accurate measurement of drum level at high temperature and pressure conditions. Article describes in detail the kind of level gauge working principle and characteristics, installation requirements and application in drum level measurement. Related Articles | Metrics

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2014, 50 (3): 0-0.   Abstract （288）      PDF       Knowledge map    Save Related Articles | Metrics

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Analysis of Problems and Countermeasures of Framework Procurement Strategy of Instrument Material in SINOPEC    2014, 50 (6): 0-0.   Abstract （284）            Knowledge map    Save Mainly Introduced the background of framework procurement strategy of SINOPEC instrumentation material. Operation mode and specific job requirements is discussed for Instrumentation materials of framework procurement in the paper. The Instrumentation device of framework procurement mode is analyzed since 2008. The existing problems and improvement measures of framework procurement jobs are analyzed. Related Articles | Metrics

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abc    2014, 50 (2): 0-0.   Abstract （282）            Knowledge map    Save abcddee Related Articles | Metrics

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Design of electric-heated water bath temperature control system based on PLC and touch screen    2015, 51 (3): 0-0.   Abstract （282）            Knowledge map    Save A set of electric-heated water bath temperature control system based on PLC and touch screen is designed. A Siemens S7-200 PLC is used as controller and A Smart 1000 touch panel is used as human machine interaction (HMI). Digit PID control algorithm is used, which has the auto-tuning ability and can be called by touch screen. Application shows the system has friendly interface and it is easy to operate. The auto-tuning control result turns to be good, which has a high degree of accuracy and can satisfy the temperature control need of water bath for chemical process experiments. Related Articles | Metrics

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The research and practice of communication on intelligent instrument & DCS at Petrochemical storage tank    2014, 50 (2): 0-0.   Abstract （280）            Knowledge map    Save the paper introduces DCS and Honeywell ENRAF servo liquidometer, Emerson SAAB radar level gauge, Hebei zhufeng optical level gauge ZYG - 101 - a/ZYG - 601 equipment such as Modbus RTU and RS - 232 communication protocol, and discusses XP248 communication module and Modbus RTU and the RS - 232 communication protocol connection method and application.Practice proved XP248 communication module and other third-party intelligent instrument equipment communication is stable and reliable, high precision data accurate, is worth popularization and application. Related Articles | Metrics

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2014, 50 (2): 0-0.   Abstract （280）            Knowledge map    Save Related Articles | Metrics

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Researches on the Design of SIS Loop    2014, 50 (4): 0-0.   Abstract （279）            Knowledge map    Save Abstract：Based on GB/T 20438-2006, GB/T 21109-2007 and the practice of the design of Safety Instrument System (SIS), this paper introduces the related concept of SIS design and discusses the means of the design and verification of SIS. This paper then makes a comparison among several SIS loop, and offers some suggestion on improving SIS. Related Articles | Metrics

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Type and Application of Desuperheater    2015, 51 (6): 0-0.   Abstract （279）            Knowledge map    Save The function of desuperheater is to convert superheated steam into saturated steam or low temperature superheated steam. The working principle is to reduce the temperature of superheated steam by heat exchange between the warm water and the superheated steam, and eventually reach the heat balance. To select the suitable desuperheater through the caculation of desuperheater. Introduced the types of desuperheater, anaylized the factors of affecting the temperature reduction, and presented the problems about the selection and the installation of desuperheater, then to help you better understand and use it. Related Articles | Metrics

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Discussion on the configuring solution of GDS indication and alarm device    2014, 50 (6): 0-0.   Abstract （276）            Knowledge map    Save In GB50493, Four configuring schemes of indication and alarm device are provided for combustible gas and toxic gas detection and alarm system. Later Gb50116 and some other standards were published, and they gave their own rules for relevant problems. So it is necessary to study the variation in these standards, and in a petrochemical engineering, how to make a choice among these four schemes according to the characteristics of the project. In this paper, the requirements of these standards are listed on the four schemes, the principle for selection of design schemes is provided, and in the end, it is recommended that I/O cards and controllers shall be separate, the indicators and alarms can be used separately or commonly with other control system. Related Articles | Metrics

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Application on Measuring Instruments Management of Gas Gathering and Transportation    2014, 50 (6): 0-0.   Abstract （268）            Knowledge map    Save According to the various problems of measuring instruments management,department may Introduce QR Code technology, automatically generating and printing color logo of QR Code,using it’s Characteristic that Contains a large amount of information, low cost, easy made, to add management methods and Supervision of measuring instruments, in order to improve efficiency and level of delicate work. Related Articles | Metrics

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Large-scale Petrochemical (Coal Chemical) Plant Integrated Automation & Information System and Enterprise Lean Management    2015, 51 (4): 0-0.   Abstract （265）            Knowledge map    Save In allusion to large-scale, integration, intelligence of large-scale petrochemical and new-type coal chemical plant, the article mainly introduces the concept and target, overall construction, system architecture, customized programming, network security of integrated automation & information system. Moreover, the article also introduces the engineering execution of integrated automation & information system, which includes working content, working aim and critical activities of each execution stage. Finally, the article introduce the mutual acceleration between integrated automation & information system and enterprise lean management. Related Articles | Metrics

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Application of On-line Oxygen Analyzer in PTA Plant    2014, 50 (4): 0-0.   Abstract （263）            Knowledge map    Save The oxygen concentration in the off-gas of oxidation reaction is the important parameter to reflect safe, stable and efficient production of PTA plant. According to the component, corrosive characteristics and the requirement of process, this article introduces the application of on-line oxygen analyzer in PTA plant from the aspects of measuring principle of magneto-dynamic oxygen analyzer, designing of sample handling system, attentions when used on site and analysis of measuring error. Emphasized the matters need attention while selecting and using the magneto-dynamic oxygen analyzer. Proper selection and application of on-line analyzer are suggested. Related Articles | Metrics

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The integration of management and control engineering design for petrochemical enterprises    2014, 50 (3): 0-0.   Abstract （259）      PDF       Knowledge map    Save The integration of management and control has been widely used in petrochemical enterprises. In recent years, the design and construction of new large-scale petrochemical enterprises are carried out in accordance with the integration of management and control model. Production process control of the old petrochemical enterprises is still dispersed, although they have carried out the information reconstruction. The importance of the integration of management and control in the old petrochemical enterprises is described. Combined with the integration of management and control renovation project in Yanshan petrochemical factory six, elaborated the steps and problems needed to pay attention in the integration of management and control renovation project. Related Articles | Metrics

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Interlock shut-off valve actuator air regulator fail deal with countermeasures no downtime jinshan cai    2014, 50 (4): 0-0.   Abstract （256）            Knowledge map    Save This article discusses the petrochemical aromatics processing unit ,PX feed line air regulatro of interlock valve smashed crack because the construction. process of the formation of stable production of paraxylene plant huge security risk, instrumentation air line filter is mounted on the actuators of interlock valve, because the larger diameter valves DN300, Vice-line valve is not installed, the valve handle can not be removed. Field monitoring showed that the filter valve smashed crack gradually expanding. If not promptly treated, may cause the unit unplanned downtime, according to the interlock shut-off valve actuator and the drawings of pneumatic components, combined with a detailed analysis of the solenoid valve operation principle, found the unit does not downtime online processing methods. After the actual simulation drills and other similar valves, confirms the reliability of the methods, the successful resolution of the problem, avoiding unplanned downtime unit. Interlock shut-off valve fault for similar treatment, with reference. Related Articles | Metrics

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Discussion and solution of PTA oxidation reactor level measurement error    2014, 50 (6): 0-0.   Abstract （256）            Knowledge map    Save Abstract： Liquid level is one of the main technological parameters of chemical production, the traditional differential pressure level technology has been widely used in the production, but It is difficult to applied in the high type containers and tower. Through the background introduction, liquid level measurement system composition and heat tracing conditions introduction, the article introduces a series of level measurement error caused by the liquid level increase and the growth of the sealing liquid pipeline after PTA oxidation reactor upgrading. The causes of problems is illustrated by computation. And then, paper introduces the measuring principle, components and advantages of Rosemount 3051 s/ERS liquid level transmitter retrofit scheme. Finally illustrate the feasibility of the scheme through the application example. Related Articles | Metrics