On-line real-time failure monitoring and diagnosing system device for industrial processing of residual oil

A system device, real-time fault technology, applied in the direction of total factory control, total factory control, electrical program control, etc.

Active Publication Date: 2011-03-23
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no public report of a safe operation guidance system focusing on process fault diagnosis specifically for the production process of delayed coking units at home and abroad

Method used

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  • On-line real-time failure monitoring and diagnosing system device for industrial processing of residual oil
  • On-line real-time failure monitoring and diagnosing system device for industrial processing of residual oil
  • On-line real-time failure monitoring and diagnosing system device for industrial processing of residual oil

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Embodiment Construction

[0022] A system device for on-line real-time fault monitoring and diagnosis of industrialized residual oil processing, using a delayed coking unit for oil refining, and installing a DCS system on the delayed coking unit to connect to the actual process and collect real-time data from the production site. Configure the server in the central control room, install and run the real-time database and the delayed coking safety operation guidance system, wherein the DCS system, the real-time database server and the safety operation guidance system are connected in sequence through the local area network, and the safe operation guidance system communicates with customers through the public network The core of the delayed coking safety operation guidance system is the inference engine subsystem, the engine subsystem includes a process monitoring module and an equipment monitoring module, which is responsible for the reasoning and analysis of online faults, composed of SDG, principal comp...

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Abstract

The invention relates to an on-line real-time failure monitoring and diagnosing system device for industrial processing of residual oil. The device has the functions of data acquisition, data filtering, sensor efficiency analysis, alarm management (process monitoring, pre-alarm and alarm counting), equipment monitoring, expert knowledge management, intelligent self-explanation of failure scenario, visualization display and the like, and can provide the daily management functions of shifting of duty, operation log, working calendar, process chart and the like. An inference engine subsystem is a core part, comprises a process monitoring engine and an equipment monitoring engine, is in charge of most inference work, and mainly comprises a signed directed graph (SDG), principal element analysis, fuzzy logic, mathematical analytical model and expert rule base. A process monitoring module uses a hybrid algorithm engine with various fused inference algorithms to obtain compatible paths of failure propagation, and removes false compatible paths by the filtering effect of expert rules to obtain the final diagnostic result.

Description

technical field [0001] The invention relates to a system for real-time monitoring of the technical process of a delayed coking unit and auxiliary safety operation. Background technique [0002] Delayed coking is a mature refining process technology for processing residues, especially low-quality vacuum residues. The investment of the delayed coking unit is low, and it can process various high-sulfur and high-asphaltene vacuum residues, and its raw material range can even include bitumen and oil sands. Delayed coking unit has always been the preferred process unit for processing low-quality residual oil. With the increasingly highly integrated, complex and continuous production, and the higher degree of automation, a distributed control system (DCS, Distributed Control System) is applied to the delayed coking production unit. While greatly improving the production control precision, reducing the labor intensity of the operator, and ensuring the stable operation of the produ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 牟善军张卫华于会泳王文峰王春利寇亮李传坤姜巍巍
Owner CHINA PETROLEUM & CHEM CORP
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