CN108415358A - A kind of data acquisition analysis system for petrochemical industry storage - Google Patents
A kind of data acquisition analysis system for petrochemical industry storage Download PDFInfo
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- CN108415358A CN108415358A CN201810150950.0A CN201810150950A CN108415358A CN 108415358 A CN108415358 A CN 108415358A CN 201810150950 A CN201810150950 A CN 201810150950A CN 108415358 A CN108415358 A CN 108415358A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
Abstract
The invention discloses a kind of data acquisition analysis system for petrochemical industry storage, including monitoring station, remote terminal, communication network, the monitoring station for realizing production process management and human-computer interaction;The remote terminal for realizing in the acquisition of field data, production process control and chain control;The communication network communicates for realizing the data between the remote terminal and the monitoring station.The perfect management mode of enterprise of the present invention, promotes business intelligence management, realizes reservoir area automation, visualized management, while promoting security control, saving human cost, reinforces operation, the supervision of goods power, equipment, the market core competitiveness of enterprise.
Description
Technical field:
The invention belongs to technical field of automatic control, it is specifically related to a kind of data acquisition for petrochemical industry storage and prison
Control system.
Background technology:
It starts an undertaking, under the historical background of millions of people innovation public, the market competition of enterprise is further cruel, improves the pipe of enterprise
Reason, ensure safety in production be the eternal target of enterprise, in the case where social concerns, government regulation are increasingly reinforced, enterprise oneself
Dynamicization upgrading is imperative.The automation technology corporation of petroleum chemical industry has successfully developed all kinds of industries process control systems
And computer information management system, and applied to production and business administration, achieve considerable economic benefit.It was verified that adopting
It is a kind of effective means of enterprise's enhancing efficiency by relying on tapping internal latent power with Computer Applied Technology and automatic technology.Therefore, petrochemical industry
Enterprise must actively push forward the development and application of automatic technology when meeting the new era to challenge.
Currently, that there are still automations and monitoring facility is not perfect, monitoring is pre- for China's petrochemical industry storage sector secure context
The alert level of IT application is low, safety supervision management is difficult, the problems such as can not obtaining for information about in time under accident condition, especially heavy
Big dangerous source monitoring information integral level is relatively low, and monitoring infrastructure lacks, the information network of enterprise is not smooth, accident is pre-
Situations such as alert scarce capacity, becomes increasingly conspicuous, and there is an urgent need for establish major hazard source on-line monitoring and accident pre-alarming system.
Invention content:
For this purpose, technical problem to be solved by the present invention lies in the data acquisition for being used for petrochemical industry storage in the prior art and prisons
It controls system monitoring automation and monitoring facility is not perfect, the monitoring and early warning level of IT application is low, safety supervision management is difficult, thing
Therefore can not be obtained in time under state for information about, to propose a kind of data acquisition analysis system for petrochemical industry storage.
In order to achieve the above objectives, technical scheme is as follows:
A kind of data acquisition analysis system for petrochemical industry storage, including:
Monitoring station is provided with Central Control Room in the monitoring station, PLC control system, the prison is provided in the Central Control Room
Control is stood for realizing the management and human-computer interaction of production process;
Remote terminal, the remote terminal include on-site terminal unit R IO and communication unit FCU, and the remote terminal is used
Control in the acquisition of realization field data, production process and chain control;
Communication network, the communication network include fiber plant, the communication network for realizing the remote terminal with
Data communication between the monitoring station.
As a preferred embodiment of the above technical solution, the PLC control system includes:
Reservoir area cargo dynamic monitoring module, oil stream amount is transmitted/received for real-time dynamic reflection;
Security monitoring module during reservoir area oil product receipts, storage, hair, for monitoring tank level height, oil transportation pump work
Timely alert process when accident occurs for state;
The metering module of reservoir area oil product transceiver inventory calculates for realizing real-time continuous Tank amount;
Working state recording module, for recording the change curve of all oil tank levels and temperature, transmitting/receiving oil stream amount song every time
Line, oil transfer pump operating parameter curve/operating status/run time, all alert events;
Operation record module, when operator when for operating right password and password, record important operation to be arranged, operation
Between, operation content;
Report generation module, for generating all kinds of sending and receiving, storage production report;
Tank field network management module, for establishing permissions at different levels, convenient for having access to reservoir area operating mode, report.
As a preferred embodiment of the above technical solution, the remote terminal specifically includes:
Liquid level monitoring unit, the liquid level monitoring unit includes radar level gauge, display device, communication unit FCU by tank,
The radar level gauge is installed on the tank deck of every storage tank, and tank side display device is installed on the tank bottom of every storage tank, described
The bus signals of radar level gauge are sent to display device by tank, and the signal received is sent to logical by tank side display device
The output signal all the way of letter unit F CU, the communication unit FCU are sent to Central Control Room, another way output letter by fiber plant
Number Custom system is sent to by optical fiber.
Temperature transmitter, the temperature transmitter are installed on the tank bottom of every storage tank, and the temperature transmitter passes signal
It send to on-site terminal unit R IO, signal is sent to Central Control Room by on-site terminal unit R IO by fiber plant, and utilizes simulation
Signal input module is acquired into PLC control system.
The signal detected is sent to on-site terminal unit R IO by combustible-gas detector, the combustible-gas detector,
Signal is sent to Central Control Room by on-site terminal unit R IO by fiber plant, and is acquired into PLC using analog signal input module
Control system.
High limit liquid-level switch, the high limit liquid-level switch are installed in storage tank, and high limit liquid-level switch will collect switch
Amount signal is sent to on-site terminal unit R IO, on-site terminal unit R IO and signal is sent to Central Control Room by fiber plant, and
It is acquired into PLC control system using digital signal input module.
Quick action emergency valve, the quick action emergency valve are installed on the inlet line of every storage tank, and 2 points of quick action emergency valve switch back
News signal and 2 switch control signals are sent to on-site terminal unit R IO, and on-site terminal unit R IO sets signal by optical fiber
It is standby to be sent to Central Control Room, and acquired into PLC control system using digital signal input/output module.
Defeated turn of pump, the defeated turn of pump are installed in tank group pump canopy, and the defeated turn of status signal pumped and control signal are sent to existing
Signal is sent to Central Control Room by field terminal unit RIO, on-site terminal unit R IO by fiber plant, and defeated using digital signal
Enter/output module acquires into PLC control system.
Scram button, the scram button include explosion-proof scram button and total scram button, the explosion-proof scram button collection
At on explosive operation case, explosive operation case is installed in tank group pump canopy, and the signal of scram button is sent to on-site terminal unit
Signal is sent to Central Control Room by RIO, on-site terminal unit R IO by fiber plant, and utilizes digital signal input/output module
It acquires into PLC control system.Total scram button is set in each Tank group.
As a preferred embodiment of the above technical solution, the on-site terminal unit R IO is additionally operable to acquisition Tank root control valve
News signal and control signal are returned, the on-site terminal unit R IO is mating to be provided with photoelectric conversion device, field panel, explosion-proof
Case is provided with guard grating, power source surge protector and communication Surge Protector in the explosion-proof tank.
As a preferred embodiment of the above technical solution, the status signal of defeated turn of pump includes 3 points of open state, off status and malfunction
The control signal of signal, defeated turn of pump includes 2 signals of on and off.
As a preferred embodiment of the above technical solution, the middle PLC control system of the control configured with a set of redundancy.
The beneficial effects of the present invention are:Perfect enterprise management mode promotes business intelligence management, realizes that reservoir area is automatic
Change, visualized management, while promoting security control, saving human cost, reinforces operation, the supervision of goods power, equipment, promoted
The market core competitiveness of enterprise.
Description of the drawings:
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is a kind of data acquisition analysis system figure for petrochemical industry storage of one embodiment of the invention.
Specific implementation mode:
As shown in Figure 1, a kind of data acquisition analysis system for petrochemical industry storage of the present invention includes:
Monitoring station is provided with Central Control Room in the monitoring station, PLC control system, the prison is provided in the Central Control Room
Control is stood for realizing the management and human-computer interaction of production process.
Remote terminal, the remote terminal include on-site terminal unit R IO and communication unit FCU, and the remote terminal is used
Control in the acquisition of realization field data, production process and chain control.Remote terminal further includes being arranged in end instrument
The controller at place.
Communication network, the communication network include fiber plant, the communication network for realizing the remote terminal with
Data communication between the monitoring station.
Whole system integrally realizes decentralised control and centralized management function.
The PLC control system includes:
Reservoir area cargo dynamic monitoring module, oil stream amount is transmitted/received for real-time dynamic reflection.When receiving oil, real-time dynamic reflection
It receives oil stream amount (rate calculations or mass flowmenter integrating are increased by oil volume in oil tank) supervision in time and receives oily situation;Defeated hair oil
When, real-time dynamic reflection hair oil flow (by the calculating of oil volume minimizing speed or mass flowmenter integrating in oil tank) supervision in time
Hair oil situation.Reaction reservoir area Real-time inventory, oil transferring data in time, strengthen management, rational management.
Security monitoring module during reservoir area oil product receipts, storage, hair, for monitoring tank level height, oil transportation pump work
Timely alert process when accident occurs for state.Height of liquid level limit value is set, when liquid level to limit is alarmed, can avoid transmitting-receiving process hair
The accidents such as raw bleed, evacuation, remind the handover operation for carrying out sending and receiving oil.Sending and receiving process meets the ultralow liquid level warning of superelevation, will be certainly
The dynamic interlocking action for starting tank root valve, prevents the generation of the major accidents such as bleed.Real-time oversight oil transfer pump working condition occurs
Accident and alarm are simultaneously handled.
The metering module of reservoir area oil product transceiver inventory calculates for realizing real-time continuous Tank amount.Pacified by storage tank
High-precision liquid level gauge is filled, with reference to tank volume table, according to relevant calculating correction values standard, system can realize real-time continuous storage
Tank tank amount calculates.
Working state recording module, for recording the change curve of all oil tank levels and temperature, transmitting/receiving oil stream amount song every time
Line, oil transfer pump operating parameter curve/operating status/run time, all alert events.
Operation record module, when operator when for operating right password and password, record important operation to be arranged, operation
Between, operation content.Operation sets permission password, and password, which meets, just to be allowed to operate.Important operation includes valve switch, switch pump, report
Police limits.
Report generation module, for generating all kinds of sending and receiving, storage production report.All kinds of sending and receiving, storage production report are timely, accurate
It really generates, and can real-time query.
Tank field network management module, for establishing permissions at different levels, convenient for having access to reservoir area operating mode, report.Management network is established,
Management station is set in scheduling, safety, metering and other desired post, according to respectively different permissions, reservoir area can be had access in real time
The contents such as operating mode, report, the first evolution to dispatch, managing lay the first stone.The office automation system can be established on network, also may be used
With establish with into, sell, save as the Company's Management System of core.
The remote terminal specifically includes:
Liquid level monitoring unit, the liquid level monitoring unit includes radar level gauge, display device, communication unit FCU by tank,
The radar level gauge is installed on the tank deck of every storage tank, and tank side display device is installed on the tank bottom of every storage tank, is used for
Device data and communication are summarized, the bus signals of the radar level gauge are sent to display device by tank, by the tank
The output signal all the way that the signal received is sent to communication unit FCU, the communication unit FCU by display device passes through optical fiber
Equipment is sent to Central Control Room, and another way output signal is sent to Custom system by optical fiber.One FCU can be up to the input of 6 tunnels
It is exported with 2 tunnels.Be boundary with live piping lane, by the more tanks on piping lane one side display device communication be pooled in a manner of star-like explosion-proof
In junction box, then with communicaton and signal cable all the way into the input port of FCU.Display device is communicated with star by the tank of piping lane another side
Type mode is pooled in another explosion-proof wiring box, through communicaton and signal cable all the way into the second road input port of FCU.According to library
Area's field layout and piping lane crane span structure trend, it is proposed that 4 sets of FCU of setting are separately mounted to 1# tank groups pump canopy, 2# tank groups pump canopy, 4# tanks
Group pump canopy and 6# tank groups pump canopy.The mating explosion-proof tanks of FCU and Surge Protector.The tank level signal of 1# tank groups divides two-way into FCU,
2# tanks group and 3# tank group tank level signals are divided into four roads into FCU, 4# tanks group and 5# tank group tank level signals be divided into four roads into
FCU, 6# tank group, 7# tanks group and 8# tank group tank level signals are divided into five roads into FCU.
Temperature transmitter, the temperature transmitter are installed on the tank bottom of every storage tank, and the temperature transmitter passes signal
It send to on-site terminal unit R IO, signal is sent to Central Control Room by on-site terminal unit R IO by fiber plant, and utilizes simulation
Signal input module is acquired into PLC control system.Tank bottom has a casing of installation thermometric instrument, temperature transmitter using 4~
20mA signal cables introduce on-site terminal unit R IO by piping lane.
The signal detected is sent to on-site terminal unit R IO by combustible-gas detector, the combustible-gas detector,
Signal is sent to Central Control Room by on-site terminal unit R IO by fiber plant, and is acquired into PLC using analog signal input module
Control system.The combustible-gas detector can select combustible gas alarm detector.
High limit liquid-level switch, the high limit liquid-level switch are installed in storage tank, and high limit liquid-level switch will collect switch
Amount signal is sent to on-site terminal unit R IO, on-site terminal unit R IO and signal is sent to Central Control Room by fiber plant, and
It is acquired into PLC control system using digital signal input module.
Quick action emergency valve, the quick action emergency valve are installed on the inlet line of every storage tank, and 2 points of quick action emergency valve switch back
News signal and 2 switch control signals are sent to on-site terminal unit R IO, and on-site terminal unit R IO sets signal by optical fiber
It is standby to be sent to Central Control Room, and acquired into PLC control system using digital signal input/output module.
Defeated turn of pump, the defeated turn of pump are installed in tank group pump canopy, and the defeated turn of status signal pumped and control signal are sent to existing
Signal is sent to Central Control Room by field terminal unit RIO, on-site terminal unit R IO by fiber plant, and defeated using digital signal
Enter/output module acquires into PLC control system.The status signal of defeated turn of pump includes 3 points of open state, off status and malfunction letters
Number, the control signal of defeated turn of pump includes 2 signals of on and off.
Scram button, the scram button include explosion-proof scram button and total scram button, the explosion-proof scram button collection
At on explosive operation case, explosive operation case is installed in tank group pump canopy, and the digital input signals of scram button are sent to scene
Signal is sent to Central Control Room by terminal unit RIO, on-site terminal unit R IO by fiber plant, and using digital signal input/
Output module is acquired into PLC control system.Total scram button is set in each Tank group.Each tank group considers one
Total scram button, when emergency occurs in tank group, site operation personnel presses scram button, and the tank is closed in system automatic interlock
The tank root valve of group.
The each tank group pump canopy in scene increases on-site terminal unit R IO, the on-site terminal unit R IO newly for acquiring Tank
Root control valve returns news signal and control signal, acquires level switch signal, acquisition combustible-gas detector signal, tank temperature
Transmitter and pressure transmitter signal.Eight sets of explosion-proof RIO are arranged in live eight tank groups altogether.1# tank groups correspond to 1#RIO, 2# tank group pair
2#RIO is answered, is arranged in order.The on-site terminal unit R IO is mating to be provided with photoelectric conversion device, utilizes existing light in pump canopy
Fiber communication is to Central Control Room.The on-site terminal unit R IO is mating to be provided with field panel, keeps site operation personnel very square
Just liquid level, temperature, pressure parameter and the alarm condition of each storage tank of understanding.Display screen is by existing fiber optic communication in
Control room.Explosion-proof tank and display screen are integrated in customization cabinet.Be provided in the explosion-proof tank guard grating, power source surge protector and
Communicate Surge Protector.
36 pipelines of bridge approach to ferry increase stop valve newly, consider that a set of long-range RIO is arranged, and are 9#RIO, acquisition cut-out threshold switch
Return news signal and control signal;Consider to acquire harbour combustible-gas detector signal simultaneously.9#RIO is arrived by a communication cable
Central Control Room.
The areas A of entrucking area platform increases a set of long-range RIO newly, is 10#RIO, and the acquisition areas jack works A of the areas A have optical fiber, 10#RIO
Utilize existing fiber optic communication to Central Control Room.The pipe that the combustible-gas detector signal of the areas B of entrucking area platform passes through corresponding region
5# tank groups RIO is guided in corridor;The combustible-gas detector signal of the areas C of entrucking area platform guides to 6# tank groups by the piping lane of corresponding region
RIO;The combustible-gas detector signal of the areas D of entrucking area platform guides to 7# tank groups RIO by the piping lane of corresponding region;In cask washing canopy
Combustible-gas detector signal guide to 8# tank groups RIO.
The middle PLC control system of the control configured with a set of redundancy, system configuration realize PLC system CPU and Ethernet
Communication redundancy.
The communication of on-site terminal the unit R IO and PLC use Star Network structure, new Remote RIO by optical fiber and
The PLC system of Central Control Room is communicated.
Central Control Room configures a report writer.
By the network switch, tank metering system and Company's Management System is set to network, system provides and company management's net
The standard interface of network connection reads tank field creation data for company management's network computer
Data acquisition analysis system described in the present embodiment includes mainly following content:
(1) real-time monitoring of tank area (totally 97 storage tanks) storage tank parameter (including:Liquid level, temperature) and according to measured
Parameter calculates the volume and tank amount of storage tank in real time.
(2) the live 97 tank root valves in real time monitoring tank field and 36 harbour stop valves reach position/pass in place/failure shape
State can realize long-range on/off valve in data acquisition analysis system.
(3) operation/stopping/malfunction that 97 Loading Pumps of monitoring and 10 shipments pump in real time, can acquire in data
/ termination of pumping is remotely opened with being realized in monitoring system.
(4) concentration value and alarm condition of all combustible gas alarm detectors in reservoir area are monitored in real time.
(5) alarm condition of the monitoring all emergency stop switchs in reservoir area, and the chain tank root valve for closing respective partition in real time
Door.
(6) alarm condition of real-time monitoring of tank area (totally 97 storage tanks) high report liquid-level switch, and chain closing corresponds to storage tank
Tank root valve.
(7) information such as warning message, valve operation, pump operation, system operatio, storage tank operation are recorded automatically, and
Report query function is provided.
System integrally considers that the current transformation in reservoir area requires the enlarging with future.If loading system is in the future in middle control increase
Position machine, only need to by the communication equipment for being communicatively connected to Central Control Room of field control equipment, load onto ship automatic control also can it is also contemplated that.
This programme is transformed for the existing facility of tank field, and using monitoring station+PLC+RIO patterns, the instrument signal of tank field is nearby
The explosion-proof RIO at scene is accessed, RIO saves a large amount of cable and operating expenses through fiber optic communication to PLC system.
System integrally considers the remote monitoring of more of reservoir area Loading Pump and shipment pump, utilizes the existing distribution of each pump and control
Circuit processed will be dispersed in each tank group pump signal acquired by RIO after, through in fiber optic communication to PLC system, realizing concentration
Prison operation and management.
A kind of data acquisition analysis system for petrochemical industry storage described in the present embodiment, including monitoring station, long-range end
End, communication network, the monitoring station for realizing production process management and human-computer interaction;The remote terminal is for realizing existing
Acquisition, the control in production process and the chain control of field data;The communication network is for realizing the remote terminal and institute
State the data communication between monitoring station.It increases more on-line monitorings and control work(on the basis of existing monitoring system
Can, the functions such as remote supervisory realizes client terminal unlatching, and one one-key emergent of accident is cut off, and excessively high low liquid level warning excessively is chain.This
It has invented management mode of enterprise perfect, has promoted business intelligence management, realized reservoir area automation, visualized management, pacify being promoted
While full supervision, saving human cost, reinforce operation, the supervision of goods power, equipment, the market core competitiveness of enterprise.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (6)
1. a kind of data acquisition analysis system for petrochemical industry storage, which is characterized in that including:
Monitoring station is provided with Central Control Room in the monitoring station, PLC control system, the monitoring station is provided in the Central Control Room
For realizing the management and human-computer interaction of production process;
Remote terminal, the remote terminal include on-site terminal unit R IO and communication unit FCU, and the remote terminal is for real
Acquisition, the control in production process and the chain control of existing field data;
Communication network, the communication network include fiber plant, the communication network for realizing the remote terminal with it is described
Data communication between monitoring station.
2. a kind of data acquisition analysis system for petrochemical industry storage according to claim 1, which is characterized in that described
PLC control system includes:
Reservoir area cargo dynamic monitoring module, oil stream amount is transmitted/received for real-time dynamic reflection;
Security monitoring module during reservoir area oil product receipts, storage, hair, for monitoring tank level height, oil transfer pump working condition,
Timely alert process when accident occurs;
The metering module of reservoir area oil product transceiver inventory calculates for realizing real-time continuous Tank amount;
Working state recording module, for recording the change curve of all oil tank levels and temperature, transmitting/receiving oil stream amount curve every time, defeated
Oil pump operating parameter curve/operating status/run time, all alert events;
Operation record module, operator, operating time when for operating right password and password, record important operation to be arranged,
Operation content;
Report generation module, for generating all kinds of sending and receiving, storage production report;
Tank field network management module, for establishing permissions at different levels, convenient for having access to reservoir area operating mode, report.
3. a kind of data acquisition analysis system for petrochemical industry storage according to claim 1, which is characterized in that described
Remote terminal specifically includes:
Liquid level monitoring unit, the liquid level monitoring unit includes radar level gauge, display device by tank, communication unit FCU, described
Radar level gauge is installed on the tank deck of every storage tank, and tank side display device is installed on the tank bottom of every storage tank, the radar
The bus signals of liquid level gauge are sent to display device by tank, and the signal received is sent to communication unit by display device by the tank
The output signal all the way of first FCU, the communication unit FCU are sent to Central Control Room, another way output signal warp by fiber plant
It crosses optical fiber and is sent to Custom system;
Temperature transmitter, the temperature transmitter are installed on the tank bottom of every storage tank, and the temperature transmitter transmits signals to
Signal is sent to Central Control Room by on-site terminal unit R IO, on-site terminal unit R IO by fiber plant, and utilizes analog signal
Input module is acquired into PLC control system;
The signal detected is sent to on-site terminal unit R IO by combustible-gas detector, the combustible-gas detector, scene
Signal is sent to Central Control Room by terminal unit RIO by fiber plant, and is acquired into PLC and controlled using analog signal input module
System;
High limit liquid-level switch, the high limit liquid-level switch are installed in storage tank, and high limit liquid-level switch will collect switching value letter
Number be sent to on-site terminal unit R IO, on-site terminal unit R IO is sent to Central Control Room by signal by fiber plant, and utilizes
Digital signal input module is acquired into PLC control system;
Quick action emergency valve, the quick action emergency valve are installed on the inlet line of every storage tank, and 2 points of quick action emergency valve switch back news letter
Number and 2 switch control signals be sent to on-site terminal unit R IO, on-site terminal unit R IO passes signal by fiber plant
It send to Central Control Room, and is acquired into PLC control system using digital signal input/output module;
Defeated turn of pump, the defeated turn of pump are installed on tank group and pump in canopy, and the defeated turn of status signal pumped and control signal are sent to live whole
Signal is sent to Central Control Room by end unit RIO, on-site terminal unit R IO by fiber plant, and utilizes digital signal input/defeated
Go out module to acquire into PLC control system;
Scram button, the scram button include explosion-proof scram button and total scram button, and the explosion-proof scram button is integrated in
On explosive operation case, explosive operation case is installed in tank group pump canopy, and the digital input signals of scram button are sent to on-site terminal
Signal is sent to Central Control Room by unit R IO, on-site terminal unit R IO by fiber plant, and utilizes digital signal input/output
Module is acquired into PLC control system;Total scram button is set in each Tank group.
4. a kind of data acquisition analysis system for petrochemical industry storage according to claim 3, it is characterised in that:
The on-site terminal unit R IO is additionally operable to returning for acquisition Tank root control valve and interrogates signal and control signal, the scene
Terminal unit RIO is mating to be provided with photoelectric conversion device, field panel, explosion-proof tank, be provided in the explosion-proof tank guard grating,
Power source surge protector and communication Surge Protector.
5. a kind of data acquisition analysis system for petrochemical industry storage according to claim 3, it is characterised in that:
The status signal of defeated turn of pump includes 3 open state, off status and malfunction signals, and the control signal of defeated turn of pump includes opening
With 2 signals in pass.
6. a kind of data acquisition analysis system for petrochemical industry storage according to claim 1, it is characterised in that:
The middle PLC control system of the control configured with a set of redundancy.
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CN109765864A (en) * | 2019-01-21 | 2019-05-17 | 中化(舟山)兴海建设有限公司 | Chemical industry reservoir area information monitoring system |
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