CN202326341U - Combustion drive compressor unit monitoring device - Google Patents
Combustion drive compressor unit monitoring device Download PDFInfo
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- CN202326341U CN202326341U CN 201120508814 CN201120508814U CN202326341U CN 202326341 U CN202326341 U CN 202326341U CN 201120508814 CN201120508814 CN 201120508814 CN 201120508814 U CN201120508814 U CN 201120508814U CN 202326341 U CN202326341 U CN 202326341U
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Abstract
The utility model provides a combustion drive compressor unit monitoring device, relates to a monitoring device and aims to solve the problem that when the failure occurs, a single controller of a key control device of a traditional combustion drive compressor unit monitoring system fails is out of work. The signal input and output end of an upper computer is connected with the first signal input and output ends of a first communication module and a second communication module through a switchboard; the signal input and output end of a controller is connected with the second signal input and output end of the first communication module; the signal input and output end of a redundantly-arranged controller is connected with the second signal input and output end of the second communication module; the third signal input and output ends of the first communication module and the second communication module are respectively connected with the first signal input and output ends of n I/O (Input/output) modules through a control bus; the signal input and output ends of the I/O modules are respectively connected with n signal input and output ends of a safety barrier; and n is 9. The combustion drive compressor unit monitoring device is used for monitoring a combustion drive compressor unit. With the adoption of the combustion drive compressor unit monitoring device, the safety of the combustion drive compressor unit and the monitoring system thereof is improved.
Description
Technical field
The utility model relates to a kind of supervisory device, particularly a kind of combustion drive compressor group supervisory device.
Background technique
Gas turbine as the power plant of compressor, has occupied the status of empery on natural gas pipeline.Gas turbine is that the gas with continuous-flow is working medium impeller high speed rotating, changes the energy of fuel the internal combustion type dynamic power machine of useful work into, is the wheeled heat engine of a kind of pivoting leaf.Because gas turbine can directly can be converted into the interior of combustion gas with rotation formula output mechanical work, thereby have the simpler structure of hot machine than other types, littler volume and weight, and than being easier to its thermal procession realization control automatically.
At present, compressor bank and supervisory system thereof controller have only one, if this controller goes wrong, whole supervisory device also can be paralysed.
The model utility content
The purpose of the utility model is when breaking down for the single controller that solves tradition combustion drive compressor group supervisory system core control devices, and the problem of supervisory system paralysis provides a kind of combustion drive compressor group supervisory device.
The combustion drive compressor group supervisory device of the utility model, it comprises host computer, switchboard, controller, first communication module, control bus, I/O module groups, guard grating, it also comprises second communication module, the redundant controller that is provided with;
The signal input output end of host computer is connected with first signal input output end of first communication module and first signal input output end of second communication module through switchboard; The signal input output end of controller is connected with the secondary signal input/output terminal of first communication module; The signal input output end of the redundant controller that is provided with is connected with the secondary signal input/output terminal of second communication module, the 3rd signal input output end of first communication module and the 3rd signal input output end of second communication module pass through first signal input output end, the 2nd I/O module of a control bus and an I/O module first signal input output end ..., the nI/O module first signal input output end connect;
The secondary signal input/output terminal of the one I/O module is connected with first signal input output end of guard grating; The secondary signal input/output terminal of the 2nd I/O module is connected with the secondary signal input/output terminal of guard grating;, the secondary signal input/output terminal of nI/O module is connected with the n signal input output end of guard grating; Said n is 9.
The advantage of the utility model is that redundancy is provided with another controller and communication module; When breaking down; Support redundant controller and the network service that is provided with to accomplish switching automatically, avoided the paralysis of supervisory system, improved the Security of combustion compressor bank and supervisory system thereof.
Description of drawings
Fig. 1 is the overall structure schematic representation of the utility model.
Embodiment
Embodiment one: combine Fig. 1 that this mode of execution is described; The combustion drive compressor group supervisory device of the utility model; It comprises host computer 1, switchboard 2, controller 3, first communication module 4, control bus 5, I/O module groups 6, guard grating 7, and it also comprises second communication module 8, the redundant controller 9 that is provided with;
The signal input output end of host computer 1 is connected with first signal input output end of first communication module 4 and first signal input output end of second communication module 8 through switchboard 2; The signal input output end of controller 3 is connected with the secondary signal input/output terminal of first communication module 4; The signal input output end of the redundant controller 9 that is provided with is connected with the secondary signal input/output terminal of second communication module 8
First signal input output end of first signal input output end of the 3rd signal input output end of the 3rd signal input output end of first communication module 4 and second communication module 8 through control bus 5 and an I/O module 6-1, the 2nd I/O module 6-2 ..., nI/O module 6-n first signal input output end connect;
The secondary signal input/output terminal of the one I/O module 6-1 is connected with first signal input output end of guard grating 7; The secondary signal input/output terminal of the 2nd I/O module 6-2 is connected with the secondary signal input/output terminal of guard grating 7;, the secondary signal input/output terminal of nI/O module 6-n is connected with the n signal input output end of guard grating 7; Said n is 9.
Monitored object 10 comprises lubricating oil system 10-1, fuel processing system 10-2, motor control center 10-3, gas turbine 10-4, gas turbine casing 10-5, compressor 10-6, the 10-7 of ESD safe system, machine performance monitoring system 10-8 and station control system 10-9;
The signal input output end of lubricating oil system 10-1 is connected with the 10th signal input output end of guard grating 7; The signal input output end of fuel processing system 10-2 is connected with the 11st signal input output end of guard grating 7; The signal input output end of motor control center 10-3 is connected with the 12nd signal input output end of guard grating 7; The signal input output end of gas turbine 10-4 is connected with the 13rd signal input output end of guard grating 7; The signal input output end of gas turbine casing 10-5 is connected with the 14th signal input output end of guard grating 7; The signal input output end of compressor 10-6 is connected with the 15th signal input output end of guard grating 7; The signal input output end of the 10-7 of ESD safe system is connected with the 16th signal input output end of guard grating 7, and the signal input output end of machine performance monitoring system 10-8 is connected with the 17th signal input output end of guard grating 7; First signal input output end of station control system 10-9 is connected with the 18th signal input output end of guard grating 7, and the secondary signal input/output terminal of station control system 10-9 is connected with switchboard through Local Area Network.
For guaranteeing that station control system 10-9 is reliable with the communication of combustion drive compressor group supervisory device; Therefore link to each other with station control system 10-9 through Local Area Network (Ether Net) and carry out exchanges data, through station control system 10-9 compressor in operation is sent to the pipeline dispatching control center simultaneously.
This mode of execution also comprises following content:
The starting of combustion drive compressor group, operation, shutdown operation automatically carry out a key and realize.The controller 3 of combustion drive compressor group supervisory device carries out exchanges data through the shelf highway and first communication module 4; First communication module 4 can be through receiving Ether Net receives station control system 10-9 to host computer 1 or through the I/O module groups 6 of Ether Net and PLC instruction; Also can directly pass through the control command of PLC I/O module groups 6 direct acquisition monitoring cabinet cards; After combustion drive compressor group supervisory device controller 3 received the method for operation instruction of selecting requirement for use, combustion drive compressor group supervisory device was through 6 pairs of states of gathering compressor bank and monitored object thereof of I/O module groups, and I/O module groups 6 detected parameters are uploaded to first communication module 4 through control bus 5; Combustion drive compressor group supervisory device carries out chain operating conditions inspection to unit automatically; Control through 6 pairs of back ofs the body of I/O module groups monitored object 10,, carry out the inspection of Plant in good condition property having the system equipment of primary, spare function; As: the primary, spare blower fan on the gas turbine module 10-5 ventilation system; The starting standby fan is checked its integrity earlier, stops standby fan then; Restart monitored object-based device; As: pipeline valve, main ventilation blower fan, main cooling blower, main lubricating oil pump etc., then control motor control center 10-3 starting variable-frequency motor one speed, two-speed operation, carry out cold blowing, igniting, acceleration, warming-up then, move until the gas turbine operating mode.
Combustion drive compressor group gets into operating mode and operates in a certain control mode; Inlet pressure, outlet pressure, compressor are set rotating speed; Under when moving; Carry out controls such as limit adjusting, critical parameter early warning, limiting protecting, disorderly closedown protection, fuel quantity open loop, guarantee combustion drive compressor group supervisory device, automatically, the operation of successive control and monitoring unit according to predetermined technological process.As depart from the predetermined running state, and report to the police automatically and carry out control mode and switch, unit is switched to safe condition, and the no disturbance of all handoff procedures is carried out.The parameter detecting of unit key position has adopted many sensor redundant measurement modes, guarantees to realize when single-sensor in service breaks down fault-tolerant control.Combustion drive compressor group supervisory device is when receiving the " STOP " signal, and follow procedure control realizes orderly closedown or emergency shutdown, and when the gas turbine protective system was sent the disorderly closedown signal, follow procedure was controlled automatically, and realization accident (promptly) is shut down.
Combustion drive compressor group combustion drive compressor group supervisory device is provided with overtemperature prote test and overspeed protection test run mode, is used for unit control protective function being checked when restarting the operation unit behind the major overhaul or after the long period shutdown.Before startup of unit; Controller 3 through 1 pair of combustion of host computer drive compressor group supervisory device carries out the protection test mode initialization; Combustion drive compressor group supervisory device in house software can be revised disorderly closedown protection parameter value automatically during operation; At startup of unit, will occur the overspeed protection action when not entering into the operating mode operation like this, accomplish test check.
Combustion drive compressor group supervisory device is provided with static debud mode; When compressor emergency shutdown; The controller of combustion drive compressor group supervisory device receives host computer 1 static debugging mode instruction back and on host computer 1, accomplishes opening, stopping, solenoid valve open and close, settings such as modulating valve valve opening, cooling frequency conversion fan rotating speed each system equipment; Combustion drive compressor group supervisory device moves through I/O module groups 6 control relevant devices, carries out the static debugging of equipment.
Combustion drive compressor group supervisory device is provided with the leakage test method; Before unit operation, to set through control mode, combustion drive compressor group supervisory device pressurizes to the segmentation of fuel system pipeline automatically; Whether connect sensor monitors fuel system pipeline through I/O module groups 6 leaks; Set up corresponding marker bit according to testing result, reveal, inform that then operator carry out on-the-spot fuel system management inspection adjustment as existing.
The function of combustion drive compressor group supervisory device starting/shutdown control:
Combustion drive compressor group supervisory device will be accomplished the startup/stopping procedure control of unit automatically.Startup/parking order can be assigned by being installed in startup/stop button or station control system 10-9 and the dispatching control center of monitoring on the cabinet; By monitoring on the cabinet on the spot/long-range/parking selector switch confirms the order source; When selecting switch to be in parking spot, combustion drive compressor group supervisory device is not accepted any startup command.
Automatic inspection starting interlock condition, actuating motor drags commentaries on classics, igniting and air feed etc.When in starting process, abnormal conditions occurring, stop automatically and make handled.In addition, multiple specific drive manners such as " cold blowings " is arranged still, also come control automatically through corresponding program.
Combustion drive compressor group supervisory device is when receiving the " STOP " signal, and follow procedure control realizes orderly closedown or emergency shutdown, and when the gas turbine protective system was sent the disorderly closedown signal, follow procedure was controlled automatically, and realization accident (promptly) is shut down.
When continuous repeated priming was failed, start-up system was in locking (lock out) state automatically and sends warning, and compressor bank can not be started before the order of not receiving manual reset once more.
Any startup, parking are moved, and no matter whether successfully all write down and be sent to the dispatching control center of pipeline.
Combustion drive compressor group supervisory device rotating speed/pressure controlled function:
Combustion drive compressor group supervisory device is a controlled plant with the compressor outlet gas pressure, adopts pressure to regulate the operation control mode.When different air demands and various inlet pressure, the gas pressure of control station outlet is 10MPa ± 100KPa (can adjust); Keep the departures gas pressure stable.In the variable working condition process, regulate raising speed and moderating process automatically.Behind low-pressure turbine, during parameter value of reaching capacity such as temperature, drop into automatically and fall regulating working conditions, the unit operation operating mode is remained within the safe scope.
The function of combustion drive compressor group supervisory device Anti-surge Control:
Combustion drive compressor group combustion drive compressor group supervisory device carries out continuous monitoring to unit, when surge-proofing controller breaks down, opens the anti-asthma valve fast.Surge-proofing controller is the fault safety type, and any trouble signal of this system is all opened the anti-asthma valve, and when unit stopped, the Anti-surge Control valve was shown in an open position.Anti-surge Control mainly comprises: temperature, pressure compensation, to quick disturbance control in advance, in the stall margin line traffic control, minimum load startup and parking function, variable gain control, surge prediction function, divide the process control function.
Combustion drive compressor group supervisory device is the function of protection automatically:
Combustion machine air inlet import pressure reduction is too high, vibration is too high, low-pressure turbine after-burning temperature is spent height, the power turbine rotating speed transfinites, lubricating oil pressure is low excessively, oil temperature is too high, combustion box body temperature is excessive when detecting, when phenomenons such as combustable gas concentration is too high, fire alarm occur, fire drive compressor group supervisory device automatic protection system implementation emergency shutdown.
High when combustion machine delivery temperature, combustion box body temperature is high, fuel tank is too high or too low for temperature, combustion machine air inlet import pressure reduction is high, the import lubricating oil pressure is low, in the Oil-gas Separation case too high, the lubricating oil oil return of lubricating oil pressure and inlet temperature transfinites, the compressor bank bear vibration high, the displacement of compressor bank bearing is high, the compressor bank bearing temperature is high, when gas turbine vibrates high phenomenon and occurs; Combustion drive compressor group supervisory device is carried out the limiting protecting program, and the automatic load down of control unit is to the slow train operating mode.
The function that combustion drive compressor group supervisory device auto-adaptive parameter is regulated:
In unit running process; Controller can be according to the running state of unit, drop into automatically that the low pressure compressor rev limit is regulated, high-pressure compressor is the highest, the minimum speed limit is regulated, behind the low-pressure turbine fuel gas temperature limit regulate, the regulative modes such as limit adjusting of fuel gas minimum discharge and peak rate of flow.Wherein, the setting value of rotating speed, delivery temperature, the adjusting of the fuel gas flow limit can be revised according to operating states of the units or ambient temperature automatically.According to restriction regulating loop result of calculation, recomputate the fuel gas flow, fuel metering valve opening, the safety of assurance unit operation.
The function of the monitored object control of combustion drive compressor group supervisory device:
Combustion drive compressor group supervisory device to relevant monitored object and equipment such as fuel processing system 10-2, lubricating oil system 10-1, gas turbine casing 10-5, air deflector, blower fan and various steam supply valves and bleed valve control automatically, operational monitoring, warning and protection.Has the function of under any serviceability, improper operating mode being protected automatically simultaneously, as compressor inlet pressure is low excessively, outlet pressure is too high, natural gas temperature is high excessively.
The function of combustion drive compressor group supervisory device monitoring:
The Operational Limits of gas-turbine compressor group and related system thereof, is modulated and is handled through the controller that the redundancy of firing drive compressor group supervisory device is provided with by sensor acquisition like signals such as pressure, temperature, rotating speed, position, metal fillings, vibrations; Comprise that the power turbine output torque calculates; Unit vibration signal processing etc., these signals after treatment, except that supplying controller uses; To the other monitor board of machine instrument indication and state signal are provided, and flow to central station of floating dock.Important parameters and setting value relatively send when occurring transfiniting and report to the police or protective signal, on the other monitor board of machine, send acoustooptic alarm or export to the controller protection starting.
The function of combustion drive compressor group supervisory device exchanges data:
The station control system 10-9 of combustion drive compressor group combustion drive compressor group supervisory device and compressor plant carries out exchanges data through multiple modes such as network, serial communication, cables.Usually, the mode of exchange data using network and serial communication, but the input/output signals between ESD (safety system) the 10-7 system etc. must adopt rigid line to connect.Also adopt rigid line to be connected between the output signal that interlock protection except that the 10-7 of ESD system stops and the relevant device.Information exchange between combustion drive compressor group supervisory device and the station control system 10-9 is carried out between controlled stage separately.
Combustion drive compressor group supervisory device has the ability of communication failure diagnosis.When between combustion drive compressor group supervisory device first communication module 4 and the station control system 10-9 when communication outage and the uncontrollable combustion drive compressor of station control system 10-9 group supervisory device; Combustion drive compressor group supervisory device automatically, no disturbance switches to the local operation mode; Send warning simultaneously, and bear whole work of protection compressor bank safe operation.
Regularly combustion drive compressor group supervisory device is carried out time calibration by station control system 10-9, controller that is provided with the redundancy that guarantees combustion drive compressor group supervisory device and the time synchronization between the station control system 10-9.Exchanges data between combustion drive compressor group supervisory device and the station control system 10-9 all has time tag, and the time that signal produces is as the criterion with transmit leg.
The function of combustion drive compressor group supervisory device self-checking function:
Combustion drive compressor group supervisory device is constantly checked the function of each critical piece when operation, important electronic module and important sensor are carried out fault localization.
Claims (1)
1. fire drive compressor group supervisory device; It comprises host computer (1), switchboard (2), controller (3), first communication module (4), control bus (5), I/O module groups (6), guard grating (7), it is characterized in that it also comprises second communication module (8), the redundant controller (9) that is provided with;
The signal input output end of host computer (1) is connected with first signal input output end of first communication module (4) and first signal input output end of second communication module (8) through switchboard (2); The signal input output end of controller (3) is connected with the secondary signal input/output terminal of first communication module (4); The signal input output end of the redundant controller (9) that is provided with is connected with the secondary signal input/output terminal of second communication module (8)
The 3rd signal input output end of the 3rd signal input output end of first communication module (4) and second communication module (8) through control bus (5) respectively with first signal input output end of first signal input output end of an I/O module (6-1), the 2nd I/O module (6-2) ..., nI/O module (6-n) first signal input output end connect;
The secondary signal input/output terminal of the one I/O module (6-1) is connected with first signal input output end of guard grating (7); The secondary signal input/output terminal of the 2nd I/O module (6-2) is connected with the secondary signal input/output terminal of guard grating (7);, the secondary signal input/output terminal of nI/O module (6-n) is connected with the n signal input output end of guard grating (7); Said n is 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120508814 CN202326341U (en) | 2011-12-08 | 2011-12-08 | Combustion drive compressor unit monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120508814 CN202326341U (en) | 2011-12-08 | 2011-12-08 | Combustion drive compressor unit monitoring device |
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| CN202326341U true CN202326341U (en) | 2012-07-11 |
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| CN 201120508814 Expired - Fee Related CN202326341U (en) | 2011-12-08 | 2011-12-08 | Combustion drive compressor unit monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425558A (en) * | 2011-12-08 | 2012-04-25 | 中国船舶重工集团公司第七�三研究所 | Monitoring device for combustion drive compression unit |
| CN108223139A (en) * | 2017-12-06 | 2018-06-29 | 中国科学院工程热物理研究所 | Deflation Rule adjusting optimization method before a kind of split gas turbine power turbine |
| CN108386726A (en) * | 2018-03-28 | 2018-08-10 | 安徽华菱汽车有限公司 | A kind of detection device and method of pipe leakage |
-
2011
- 2011-12-08 CN CN 201120508814 patent/CN202326341U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425558A (en) * | 2011-12-08 | 2012-04-25 | 中国船舶重工集团公司第七�三研究所 | Monitoring device for combustion drive compression unit |
| CN108223139A (en) * | 2017-12-06 | 2018-06-29 | 中国科学院工程热物理研究所 | Deflation Rule adjusting optimization method before a kind of split gas turbine power turbine |
| CN108386726A (en) * | 2018-03-28 | 2018-08-10 | 安徽华菱汽车有限公司 | A kind of detection device and method of pipe leakage |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20121208 |