CN103306955B - For the operation method of Reciprocting piston compressor - Google Patents
For the operation method of Reciprocting piston compressor Download PDFInfo
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- CN103306955B CN103306955B CN201310222364.XA CN201310222364A CN103306955B CN 103306955 B CN103306955 B CN 103306955B CN 201310222364 A CN201310222364 A CN 201310222364A CN 103306955 B CN103306955 B CN 103306955B
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Abstract
A kind of operation method for Reciprocting piston compressor is disclosed. Described operation method makes operation of reciprocating compressor by the opening and closing state of controlling import cleaning valve, import inlet valve, startup by-passing valve, air bleeding valve and relief valve by the order of warming-up operation, load operation and shutdown operation. According to the starting method for Reciprocting piston compressor of exemplary embodiment of the present invention, can make the parallel-adder settle-out time of compressor increase and improve its reliability.
Description
Technical field
The present invention relates to the operation method of Reciprocting piston compressor, more particularly, relate to a kind of being suitable forIn the startup of the high-speed high-power reciprocating piston compressor of gas industry.
Background technology
Rotating speed be 1000r/min, power be 6000kW high-speed high-power reciprocating piston compressor at homeOr blank, current domestic natural gas boosting collection is defeated, gas storage gas injection is being abroad to enter with similar unit entirelyMouthful. For compressor, in the time that compressor start is started working, it is a large amount of that compressed gas is known from experience generationHeat also causes the rising of temperature, in order to make compression cylinder cooling as early as possible, is substantially all to adopt in prior artWater-cooled or air-cooled compression cylinder. Water-cooled compression cylinder need to be designed to double-decker, so that in centreWater flowing is carried out cooling to compression cylinder; Air-cooled compression cylinder need to design more wing in the outside of compression cylinderChip heat sink.
For bent axle, the Torsional Vibration while being rotation in order to solve axle, prior art is all at bent axleClutch end flywheel is set, to realize the counterweight in rotary course to bent axle.
In addition, in Reciprocting piston compressor of the prior art, conventionally can use piston ring to coordinate with pistonUse, piston ring is stuck on piston, interior loop contacts piston, outer loop contacts cylinder sleeve or cylinder body. At present, livePlug ring adopts nonmetal piston ring conventionally, and the cross sectional shape of piston ring is rectangle. For the work of square-sectionPlug ring, the front and back end in its cross section is equally wide.
Finally, essential lubricated for ensureing the normal work of compressor, lubricated, sealing, anti-that lubricating oil playsOnly friction pair corrosion, friction pair clean and take away the effects such as frictional heat. The crank of reciprocating compressor at presentThe lubricating system of linkage is mainly force-feed lubrication system, and the trend of pressure oil has forward and reverse lubricated twoThe mode of kind. Forward lubricated by lubricating oil successively pump to fuselage base bearing, bent axle, connecting rod bottom-end bearing,Finally arrive small end bearing.
Due to involved in the present invention be the high-speed high-power reciprocating piston compressor of gas industry, onThe content of stating is all the several different critical piece of described main body, and it is indispensable that these parts are in operationFew critical component. In order to make the above-mentioned all parts can safety in the running of whole compressor,Stable, and reliable, and it is very necessary needing the operation method of a science.
The method of operation of prior art: do not produce because this large-scale compressor of past is domestic, thereforeIn the time of operation, be all according to carrying out compared with the method for operation of the natural gas compressor of ting model, and this modeCannot meet the operation demand of large-scale compressor, usually cause the suitable bad of some parts, cause stable operationThe shortening of time and the reduction of reliability.
Summary of the invention
In order to solve exist in prior art above-mentioned, the invention provides that a kind of reliability improves forThe operation method of Reciprocting piston compressor.
According to a kind of operation method for Reciprocting piston compressor of exemplary embodiment of the present invention,Comprise the steps: to make import cleaning valve, import inlet valve, start by-passing valve, air bleeding valve and pressure releaseThe state of valve respectively in closing, close, unlatching, opening and closing state when the first warming-up is postponedBetween carry out timing; In the time that the first warming-up expires time delay, make shutdown and the warning of all predetermine levelsThe state of device is in state of activation, and the second warming-up is carried out to timing time delay; When the second warming-up prolongsLate the time expires, and when being presented at load button on the display of controller and being pressed, inhales to importAir valve transmits start signal to open import inlet valve; After import inlet valve is opened, to starting bypassValve sends shutdown signal to cut out startup by-passing valve; Close and be presented at controller starting by-passing valveWhen unload button on display is pressed, send start signal to starting by-passing valve, start side to openLogical valve; After confirming that starting by-passing valve opens, send shutdown signal to close import to import inlet valveInlet valve; Import inlet valve close and the display of controller on the stop button that shows while being pressed,The 4-20mA simulation output of recycle valve is controlled for 4mA, to keep recirculation (egr) valve in closing shapeState; Send start signal to starting by-passing valve, to open startup by-passing valve; Confirming that starting by-passing valve opensAfter opening, send shutdown signal to import inlet valve, to close import inlet valve; Confirming that import is air-breathingAfter valve cuts out, to starting timing the first cooling time delay; Transmit shutdown signal to air bleeding valve, to closeClose air bleeding valve; After confirming exhaust valve closure, the second cooling delay time is carried out to timing; ConfirmingImport inlet valve and exhaust valve closure and the first and second cooling time delays, to after date, will be cancelled main motorWith the activation of lube oil cooler motor output, to stop motor.
Preferably, import cleaning valve is connected in the valve on compressor air inlet process pipe, for compressorThe control that air inlet before group starts is cleaned.
Preferably, import inlet valve is connected in the valve on compressor air inlet process pipe, for compressorControl to air inlet when loading, unloading.
Preferably, start by-passing valve and be connected in compressor bank air inlet and final stage exhaust air technique pipeline, mainly useIn the backflow control of process gas.
Preferably, air bleeding valve is connected on final compressor pressure at expulsion process pipe, is mainly used in pressingThe control of the final exhaust of contracting machine.
Preferably, relief valve is connected on final stage exhaust air technique pipeline, for compressor bank in emergency circumstancesThe control of unloading safety air defense.
According to the starting method for Reciprocting piston compressor of exemplary embodiment of the present invention, canMake the parallel-adder settle-out time of compressor increase and improve its reliability.
Brief description of the drawings
By the description of embodiment being carried out below in conjunction with accompanying drawing, these and/or other aspect of the present invention andAdvantage will become clear and be easier to be understood, wherein:
Fig. 1 be illustrate according to another exemplary embodiment of the present invention for Reciprocting piston compressorThe flow chart of operation method.
Detailed description of the invention
Now the embodiment of the present invention is described in detail, its sample table shows in the accompanying drawings, wherein, and phaseSame label represents same parts all the time. Below with reference to the accompanying drawings embodiment is described to explain thisInvention.
According to a kind of operation side for Reciprocting piston compressor of preferred illustrative embodiment of the present inventionMethod comprises the steps: to make import cleaning valve, import inlet valve, starts by-passing valve, air bleeding valve and let outThe state of pressure valve respectively in closing, close, unlatching, opening and closing state the first warming-up is postponedTime is carried out timing; In the time that the first warming-up expires time delay, make all predetermine levels (for example, tableShow B1 level standby when locking delay timer B1 and B2 expire and B2 level) shutdown andThe state of warning device is in state of activation, and the second warming-up is carried out to timing time delay; When second warmMachine expires time delay, and when being presented at load button on the display of controller and being pressed, Xiang JinMouth inlet valve transmits start signal to open import inlet valve; After import inlet valve is opened, to startupBy-passing valve sends shutdown signal to cut out startup by-passing valve; Close and be presented at control at startup by-passing valveWhen unload button on the display of device is pressed, send start signal to starting by-passing valve, open to openMoving by-passing valve; After confirming that starting by-passing valve opens, send shutdown signal to close to import inlet valveImport inlet valve; Import inlet valve close and the display of controller on the stop button that shows by byWhen lower, the 4-20mA simulation output of recycle valve is controlled for being 4mA, to keep valve in closingState; Send start signal to starting by-passing valve, to open startup by-passing valve; Confirming to start by-passing valveAfter unlatching, send shutdown signal to import inlet valve, to close import inlet valve; Confirming import suctionAfter air valve is closed, to starting timing the first cooling time delay; Transmit shutdown signal to air bleeding valve, withClose air bleeding valve; After confirming exhaust valve closure, the second cooling delay time is carried out to timing; ReallyRecognize import inlet valve and exhaust valve closure and the first and second cooling time delays to after date, will cancel main electricityThe activation of machine and the output of lube oil cooler motor, to stop motor.
In addition, in order to obtain better control effect, can make reciprocating compression by mode as shown in Figure 1Machine operation, wherein, Fig. 1 illustrates pressing for reciprocating-piston according to exemplary embodiment of the present inventionThe flow chart of the operation method of contracting machine.
As shown in Figure 1, according to an exemplary embodiment of the present invention for the fortune of reciprocating piston formula compressorRow method sequentially comprises warming-up operation (step S110), load operation (step S120) and normally stopsMachine operation (step S130).
Method shown in Fig. 1 is the method performed by the controller of reciprocating compressor. Press owing to controllingThe controller of contracting machine be configured to technological means known in the field, therefore by the description of omitting it.
Describing for before the operation method of Reciprocting piston compressor with reference to Fig. 1, briefly introduce basisThe Reciprocting piston compressor of exemplary embodiment of the present invention (following, to be called for short " compressor ") variousValve, described valve comprises: import cleaning valve, be connected in the valve on compressor air inlet process pipe,The control that air inlet before starting for compressor bank is cleaned; Import inlet valve, is connected in compressor air inlet workValve on skill pipeline, the control to air inlet during for compressor loads, unloading; Start by-passing valve, connectBe connected to compressor bank air inlet and final stage exhaust air technique pipeline, be mainly used in the backflow control of process gas; ExhaustValve, is connected on final compressor pressure at expulsion process pipe, is mainly used in the final exhaust of compressorControl; Relief valve, is connected on final stage exhaust air technique pipeline, for compressor bank unloading in emergency circumstancesCarry the control of safety air defense.
Describe above-mentioned warming-up operation, load operation and orderly closedown operation in detail below.
Warming-up operation (step S110)
The timer of controller inside starts the time of the motor operation of recording compressed machine, that is, and and to B1&B2 level locking time delay and warming-up start timing time delay. Now, preferably, in showing of controllerShow that man-machine interface (HMI) on device is upper and show " WARMUP(warming-up) ", and equipment running statusOutput and equipment operation lamp will be activated to show that equipment (compressor) turns round.
Now, each valve location is as follows:
Import cleaning valve=close=cancel activation
Import inlet valve=close=cancel activation
Starting by-passing valve=unlatching=cancellation activates
Air bleeding valve=unlatching=activation
Relief valve=closing=activation
In the time that B1 & B2 level locking time delay, (first warming-up time delay) expired, all B1 & B2sLevel is shut down and warning device will change state of activation into.
In the time that B1 & B2 level warming-up time delay, (second warming-up time delay) expired, controller will enterRow operates to next, that is, and and load operation (step S120).
Load operation (step S120)
Load operation can comprise prepares stress state, stress state, Loading Control and unloaded state.
1. prepare stress state:
The display of controller will show information " READYTOLOAD(prepare load) ".
For the button that loads for example, by the screen (, homepage) that appears at display with to compressorLoad.
In the time that load button is pressed, controller will advance to " LOADING(loading) " state.
2. stress state:
In the time that load button is pressed, will start loading sequence.
Transmit start signal to open import inlet valve to import inlet valve.
After import inlet valve is opened, send shutdown signal to close startup by-passing valve to starting by-passing valve.
After confirming that starting by-passing valve closes, compressor will complete loading, advance to " LOADCONTROL(Loading Control) " state.
3. Loading Control:
The display of controller will show information " LOADCONTROL(Loading Control) ".
The locking of P level is started to timing time delay, and when P level locking time delay is to after date, allP level is shut down will present state of activation.
In the time that " RecyclePIDLOOP(recycles pid loop) " is activated, if recirculation PIDLoop is in manual mode, and " LOAD%OUT " that be connected with valve will rise to and " manually export hundredProportion by subtraction " setting value.
If recirculation pid loop, in automatic mode, recycles pid loop and will change 4-20mASignal sucks or discharge pressure to maintain. Can be to control on the setting value page of CenturionPlus controllerType processed is selected.
4. unloaded state:
On the homepage of the display of controller, occur that unload button is to unload.
In the time that unload button is pressed, will start sequence of unloading.
In the time starting sequence of unloading, P level is shut down and will be cancelled.
Send start signal to starting by-passing valve, to open startup by-passing valve.
After confirming that starting by-passing valve opens, send shutdown signal to import inlet valve and inhale to close importAir valve.
After confirming that import inlet valve cuts out, compressor unloading will complete, and controller will return back to" READYTOLOAD(prepares to load) " state.
Equipment run duration, can use the test pattern function on the warning page. Recommendation device is in belowThis state: entering before test pattern, all B1, B2 and other timer all expire. WhenWhile pressing the testing button on CenturionPlus display screen, during test timer, can to all A,B1, B2 or C level stopping function are tested and needn't closing devices. Again pressing STOPTEST(stopsOnly test) button, can stop test pattern.
All tested pilots all will be charged to initiatively alarm of ACTIVEALARMS() and with date/The EVENTS(event of time mark) page. Can increase progressively test to save to multiple tested pilotsThe time of testing equipment, all tested pilots all will be charged to incremental order.
Tested pilot is being carried out to test period, needing the extra testing time if determine, can again pressRESET(resets) button extends the time of test timer. Press SR, test timerTo return back to its default testing time, test timer will restart countdown, so just can be to additionallyPoint test.
All outage informations all must be removed, and must or exit before test pattern before test timer expiresPress SR, otherwise phenomenon will occur to shut down.
Equipment run duration can use test mode capabilities. While pressing testing button, can to all A, B,P level stopping function is tested and needn't kill engine. Some ESD level function will there will not be to be surveyedUnder die trial formula, for example EmergencyStop(emergency shutdown) function, this function never can be blocked.Hypervelocity or any ESD shut down and can cause hard stop.
Controller will continue in this pattern until press STOP(and stop) button or the condition that breaks down.
Orderly closedown operation (step S130)
In the time that the stop button showing on controller display is pressed, orderly closedown operation will be started to carry out.
First, P level is shut down and will be cancelled.
Then, the 4-20mA simulation output of recycle valve is controlled as being 4mA, with keep valve inClosed condition.
Send start signal to starting by-passing valve, to open startup by-passing valve.
After confirming that starting by-passing valve opens, send shutdown signal to import inlet valve, to close importInlet valve.
After confirming that import inlet valve cuts out, to starting timing the first cooling time delay.
Transmit shutdown signal to air bleeding valve, to close air bleeding valve. Confirming after exhaust valve closure, to theTwo cooling delay times carry out timing.
Confirming that import inlet valve and exhaust valve closure and the first and second cooling time delays are to after date, willCancel the activation of main motor and the output of lube oil cooler motor, to stop motor.
Equipment running status output and equipment operation lamp will be cancelled and activate to show that equipment does not move.
After orderly closedown operation as above, position and the state of each valve are as follows:
Import cleaning valve=close=cancel activation
Import inlet valve=close=cancel activation
Starting by-passing valve=unlatching=cancellation activates
Air bleeding valve=closing=cancellation activates
Relief valve=closing=activation
Preferably, after the orderly closedown operation through as above, on the display of controller, can show passIn the information of " READYTOSTART(prepare start) ".
During compressor operating, controller can pass through dedicated monitoring device (for example, sensor) prisonThe operation shape body of all parts of control compressor, breaks down determining whether. In the time breaking down, controlDevice processed can be carried out following disorderly closedown operation.
Fault shut-down operation
Need to shut down when breaking down time, all motor output will be cancelled immediately and activate to stop motor.Equipment running status output and equipment operation lamp will be cancelled activation. Equipment downtime State-output and equipment stopMachine lamp will be activated to show to have occurred fault. Now, the position of each valve is as follows:
Import cleaning valve=close=cancel activation
Import inlet valve=close=cancel activation
Starting by-passing valve=unlatching=cancellation activates
Air bleeding valve=closing=cancellation activates
Relief valve=closing=activation
Now, controller becomes 4mA to keep valve closing by the 4-20mA simulation output of recycle valve.
Preferably, can on the display of controller, show and shut down reason. Shutdown event is together with the date firstCan be kept in list of thing with timestamp. On the display of controller, show that " SHUTDOWN(stopsMachine) " information with indication equipment shape body. Only solving and correct and shut down after reason, and reset and pressAfter button is pressed, controller just can be removed halt condition.
Shut down after reset, controller will be back to READYTOSTART(and prepare to start) state.
During compressor operating, controller ought receive for the signal of emergency shutdown or needs be detectedWhen the event of emergency shutdown, can carry out following emergency shutdown and operate so that compressor is carried out to emergency shutdown.
<emergency shutdown operation>
In the time that controller receives for the signal of emergency shutdown or the event that needs emergency shutdown detected,The activation of all motor outputs of immediate cancel, to stop motor. Equipment running status output and equipment operationLamp will be cancelled activation. Equipment downtime State-output and equipment downtime lamp will be activated to show to have occurred eventBarrier.
In the time that needs are carried out emergency shutdown operation, controller will start to carry out pressure release. For this reason, recycle valve4-20mA simulation output will become 4mA, to keep valve closing. Meanwhile, make each valve inAs upper/lower positions:
Import cleaning valve=close=cancel activation
Import inlet valve=close=cancel activation
Starting by-passing valve=unlatching=cancellation activates
Air bleeding valve=closing=cancellation activates
Relief valve=unlatching=cancellation activates
Now, preferably, emergency shutdown reason is presented on the operation interface on the display of controller.First, emergency shutdown event is kept in list of thing together with date and time stamp. The display of controllerUpper demonstration is about the information of " SHUTDOWN(shutdown) ", with indication equipment shape body.
After carrying out emergency shutdown operation, only press SR in solution with after correcting shutdown reasonCould remove halt condition.
Shut down after reset, controller will be back to READYTOSTART(and prepare to start) state.
During compressor operating, there is alert event or while receiving alarm signal when detecting in controller,Can carry out following alarm operation, so that compressor is carried out to alarm operation.
<warning order>
In the time that controller detects generation alert event or receives alarm signal, warning reason is presented atOn the display of the man-machine interface of controller, report to the police output and alarm lamp will be activated.
While no longer enlivening when reporting to the police, screen message will be removed automatically. Warning output and alarm lamp will be cancelledActivate.
Alert event will be stored in alarm history record together with date and time stamp.
According to the startup for Reciprocting piston compressor of exemplary embodiment of the present invention as aboveMethod, can make the parallel-adder settle-out time of compressor increase and improve its reliability.
Although represented and described some embodiments of the present invention, it should be appreciated by those skilled in the art thatLimit the principle of the present invention of its scope and the situation of spirit not departing from by claim and equivalent thereofUnder, can modify to these embodiment.
Claims (2)
1. for an operation method for Reciprocting piston compressor, it is characterized in that comprising the steps:
The state of import cleaning valve, import inlet valve, startup by-passing valve, air bleeding valve and relief valve is dividedOther places in closing, close, unlatching, opening and closing state the first warming-up is carried out to timing time delay;
In the time that the first warming-up expires time delay, make the shutdown of all predetermine levels and the shape of warning deviceState is in state of activation, and the second warming-up is carried out to timing time delay;
When the second warming-up expires time delay, and be presented at the load button quilt on the display of controllerWhile pressing, transmit start signal to open import inlet valve to import inlet valve;
After import inlet valve is opened, send shutdown signal to close startup by-passing valve to starting by-passing valve;
In the time starting by-passing valve and close and be presented at unload button on the display of controller and be pressed,Send start signal to starting by-passing valve, to open startup by-passing valve;
After confirming that starting by-passing valve opens, send shutdown signal to import inlet valve and inhale to close importAir valve;
When the stop button showing on the display of controller is pressed, by the 4-20mA of recycle valveSimulation output is controlled for 4mA, to keep recirculation (egr) valve in closed condition;
Send start signal to starting by-passing valve, to open startup by-passing valve;
After confirming that starting by-passing valve opens, send shutdown signal to import inlet valve, to close importInlet valve;
After confirming that import inlet valve cuts out, to starting timing the first cooling time delay;
Transmit shutdown signal to air bleeding valve, to close air bleeding valve;
After confirming exhaust valve closure, the second cooling delay time is carried out to timing;
Confirming that import inlet valve and exhaust valve closure and the first and second cooling time delays are to after date, willCancel the activation of main motor and the output of lube oil cooler motor, to stop motor.
2. the operation method for Reciprocting piston compressor according to claim 1, its feature existsIn, import cleaning valve is connected in the valve on compressor air inlet process pipe, before starting for compressor bankAir inlet clean control;
Import inlet valve is connected in the valve on compressor air inlet process pipe, for compressor loads, unloadControl to air inlet while carrying;
Start by-passing valve and be connected in compressor bank air inlet and final stage exhaust air technique pipeline, for returning of process gasCurrent control;
Air bleeding valve is connected on final compressor pressure at expulsion process pipe, for to the final exhaust of compressorControl;
Relief valve is connected on final stage exhaust air technique pipeline, for compressor bank unloading peace in emergency circumstancesThe control of full air defense.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310222364.XA CN103306955B (en) | 2013-06-06 | 2013-06-06 | For the operation method of Reciprocting piston compressor |
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| CN201310222364.XA CN103306955B (en) | 2013-06-06 | 2013-06-06 | For the operation method of Reciprocting piston compressor |
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| CN103306955B true CN103306955B (en) | 2016-05-11 |
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| CN107345514B (en) * | 2016-05-06 | 2020-02-07 | 中国石油化工股份有限公司 | Compressor starting system and method |
| CN110080971B (en) * | 2019-04-09 | 2020-07-03 | 中国石油集团济柴动力有限公司成都压缩机分公司 | Gas start method suitable for supercritical carbon dioxide compression system |
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Address after: 610000 No. 3 Century Avenue, Chengdu Economic and Technological Development Zone, Sichuan Province Patentee after: China Petroleum Group, Chengdu Compressor Co., Ltd. Address before: 610100 Chengdu Compressor Plant, No. 3 Century Avenue, Longquanyi District, Chengdu City, Sichuan Province Patentee before: Chengdu Compressor Factory of CNPC Jichai Power General Factory |
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Effective date of registration: 20201012 Address after: 100032 Liupuwei, Xicheng District, Beijing Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC JICHAI POWER Co.,Ltd. Address before: 610000 No. 3 Century Avenue, Chengdu Economic and Technological Development Zone, Sichuan Province Patentee before: CNPC JICHAI POWER COMPANY LIMITED CHENGDU COMPRESSOR BRANCH |