CN103306955A - Method for running reciprocating piston compressor - Google Patents
Method for running reciprocating piston compressor Download PDFInfo
- Publication number
- CN103306955A CN103306955A CN 201310222364 CN201310222364A CN103306955A CN 103306955 A CN103306955 A CN 103306955A CN 201310222364 CN201310222364 CN 201310222364 CN 201310222364 A CN201310222364 A CN 201310222364A CN 103306955 A CN103306955 A CN 103306955A
- Authority
- CN
- China
- Prior art keywords
- import
- valve
- compressor
- aspirating valves
- bypass valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a method for running a reciprocating piston compressor. The method is used for running the reciprocating piston compressor according to a sequence of warming, loading and stopping by controlling opening and closing states of an inlet washing valve, an inlet suction valve, a starting bypass valve, an exhaust valve and a pressure relief valve. According to the method provided by the embodiment of the invention, the stable running time of the compressor can be prolonged and the reliability of the compressor can be improved.
Description
Technical field
The present invention relates to the operation method of Reciprocting piston compressor, more particularly, relate to a kind of startup that is applicable to the high-speed high-power Reciprocting piston compressor of gas industry.
Background technique
Rotating speed is that 1000r/min, power are that 6000kW high-speed high-power Reciprocting piston compressor is still blank at home, and present domestic natural gas boosting collection is defeated, the gas storage gas injection with similar unit is being external import entirely.For compressor, when compressor start was started working, pressurized gas was known from experience the rising that produces a large amount of heats and cause temperature, cools off as early as possible in order to make compression cylinder, substantially all was to adopt water-cooled or air-cooled compression cylinder in the prior art.The water-cooled compression cylinder need be designed to double layer construction, in order in middle water flowing compression cylinder is cooled off; Air-cooled compression cylinder then need be at the more finned Heat sink of the outside of compression cylinder design.
For bent axle, in order to solve the Torsional Vibration in when rotation axle system, prior art all is that the clutch end at bent axle arranges flywheel, to realize the counterweight of bent axle in rotary course.
In addition, can use piston ring and piston to be used in the Reciprocting piston compressor of the prior art usually, piston ring is stuck on the piston, interior loop contacts piston, outer loop contacts cylinder sleeve or cylinder body.At present, piston ring adopts nonmetal piston ring usually, and the sectional shape of piston ring is rectangle.For the piston ring of rectangular cross-section, the front end and back end in its cross section is equally wide.
At last, essential lubricated for the proper functioning that guarantees compressor, that lubricant oil plays is lubricated, seal, prevent that friction pair corrosion, friction pair from cleaning and taking away effects such as frictional heat.The lubrication system of the connecting rod of reciprocating compressor is mainly force-feed lubrication system at present, and the trend of pressure oil has forward and reverse lubricated dual mode.The lubricated lubricant oil soon of forward pump successively arrives small end bearing at last to fuselage main bearing, bent axle, connecting rod bottom-end bearing.
Because involved in the present invention is the high-speed high-power Reciprocting piston compressor of gas industry, above-mentioned content all is the several different critical piece of described main body, and it is indispensable critical component that these parts are in operation.In order to make above-mentioned each parts can safety in the running of whole compressor, stable, and also reliable, 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 is domestic in the past, therefore all be to carry out according to the method for operation than the natural gas compressor of ting model when operation, and this mode can't satisfy the operation demand of large-scale compressor, usually cause the suitable bad of some parts, cause the shortening of parallel-adder settle-out time and the reduction of reliability.
Summary of the invention
In order to solve exist in the prior art above-mentioned, the invention provides the operation method that is used for Reciprocting piston compressor that a kind of reliability improves.
According to a kind of operation method for Reciprocting piston compressor of exemplary embodiment of the present invention, the state that comprise the steps: to make import cleaning valve, import Aspirating valves, starts bypass valve, outlet valve and Decompression valves be in respectively close, close, unlatching, opening and closing state and first warming-up carried out timing retard time; When first warming-up expires retard time, make the shutdown of all predetermine levels and the state of warning device be in state of activation, and second warming-up is carried out timing retard time; When second warming-up expires retard time, and when being presented at load button on the display device of controller and being pressed, transmit start signal to open the import Aspirating valves to the import Aspirating valves; After the import Aspirating valves is opened, send shutdown signal to close the startup bypass valve to starting bypass valve; When starting bypass valve and close and be presented at unload button on the display device of controller and be pressed, send start signal to starting bypass valve, start bypass valve to open; After confirming that starting bypass valve opens, send shutdown signal to close the import Aspirating valves to the import Aspirating valves; When the stop button that the import Aspirating valves cuts out and the display device of controller shows is pressed, the 4-20mA simulation output of recycle valve is controlled to be 4mA, be in closed condition to keep recirculation (egr) valve; Send start signal to starting bypass valve, start bypass valve to open; After confirming that starting bypass valve opens, send shutdown signal to the import Aspirating valves, to close the import Aspirating valves; After confirming that the import Aspirating valves cuts out, first cooling is picked up counting retard time; Transmit shutdown signal to outlet valve, to close outlet valve; After confirming exhaust valve closure, the second cooling delay time is carried out timing; Cool off retard time to after date at affirmation import Aspirating valves and exhaust valve closure and first and second, with the activation of the main motor of cancellation and the output of lube oil cooler motor, to stop motor.
Preferably, the import cleaning valve is connected in the valve on the compressor air inlet process pipe, is used for the control that the air inlet before compressor bank starts is cleaned.
Preferably, the import Aspirating valves is connected in the valve on the compressor air inlet process pipe, when being used for compressor loads, unloading to the control of air inlet.
Preferably, start bypass valve and be connected in compressor bank air inlet and final stage exhaust air technique pipeline, be mainly used in the backflow control of process gas.
Preferably, outlet valve is connected on the final compressor exhaust pressure process pipe, is mainly used in the control to the final exhaust of compressor.
Preferably, Decompression valves is connected on the final stage exhaust air technique pipeline, is used for the control of compressor bank unloading safety air defense in emergency circumstances.
According to the startup method that is used 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 of drawings
By the description of embodiment being carried out below in conjunction with accompanying drawing, these and/or other aspect of the present invention and advantage will become clear and be easier to and understand, wherein:
Fig. 1 is the flow chart that illustrates according to the operation method that is used for Reciprocting piston compressor of another exemplary embodiment of the present invention.
Embodiment
Now the embodiment of the invention is described in detail, its example shown in the accompanying drawings, wherein, identical label is represented same parts all the time.Below with reference to the accompanying drawings embodiment is described to explain the present invention.
According to a kind of operation method for Reciprocting piston compressor of preferred illustrative embodiment of the present invention comprise the steps: to make import cleaning valve, import Aspirating valves, the state that starts bypass valve, outlet valve and Decompression valves be in respectively close, close, unlatching, opening and closing state and first warming-up carried out timing retard time; When first warming-up expires retard time, (for example make all predetermine levels, B1 level and B2 level that expression locking delay timer B1 and B2 are ready when expiring) shutdown and the state of warning device be in state of activation, and second warming-up is carried out timing retard time; When second warming-up expires retard time, and when being presented at load button on the display device of controller and being pressed, transmit start signal to open the import Aspirating valves to the import Aspirating valves; After the import Aspirating valves is opened, send shutdown signal to close the startup bypass valve to starting bypass valve; When starting bypass valve and close and be presented at unload button on the display device of controller and be pressed, send start signal to starting bypass valve, start bypass valve to open; After confirming that starting bypass valve opens, send shutdown signal to close the import Aspirating valves to the import Aspirating valves; When the stop button that the import Aspirating valves cuts out and the display device of controller shows is pressed, the 4-20mA simulation output of recycle valve is controlled to be is 4mA, be in closed condition to keep valve; Send start signal to starting bypass valve, start bypass valve to open; After confirming that starting bypass valve opens, send shutdown signal to the import Aspirating valves, to close the import Aspirating valves; After confirming that the import Aspirating valves cuts out, first cooling is picked up counting retard time; Transmit shutdown signal to outlet valve, to close outlet valve; After confirming exhaust valve closure, the second cooling delay time is carried out timing; Cool off retard time to after date at affirmation import Aspirating valves and exhaust valve closure and first and second, with the activation of the main motor of cancellation and the output of lube oil cooler motor, to stop motor.
In addition, in order to obtain better to control effect, can make operation of reciprocating compressor by mode as shown in Figure 1, wherein, Fig. 1 is the flow chart that illustrates according to the operation method that is used for Reciprocting piston compressor of exemplary embodiment of the present invention.
As shown in Figure 1, the operation method that is used for reciprocating piston formula compressor according to an exemplary embodiment of the present invention comprises that sequentially warming-up operation (step S110), load operation (step S120) and orderly closedown operate (step S130).
Method shown in Figure 1 is by the performed method of the controller of reciprocal compressor.Owing to the technological means known in the field that is configured to of the controller of controlling compressor, therefore will omit the description to it.
Describe for before the operation method of Reciprocting piston compressor at reference Fig. 1, briefly introduce Reciprocting piston compressor according to exemplary embodiment of the present invention (below, abbreviation " compressor ") various valves, described valve comprises: the import cleaning valve, be connected in the valve on the compressor air inlet process pipe, be used for the control that the air inlet before compressor bank starts is cleaned; The import Aspirating valves is connected in the valve on the compressor air inlet process pipe, when being used for compressor loads, unloading to the control of air inlet; Start bypass valve, be connected in compressor bank air inlet and final stage exhaust air technique pipeline, be mainly used in the backflow control of process gas; Outlet valve is connected on the final compressor exhaust pressure process pipe, is mainly used in the control to the final exhaust of compressor; Decompression valves is connected on the final stage exhaust air technique pipeline, is used for the control of compressor bank unloading safety air defense in emergency circumstances.
Below, describe above-mentioned warming-up operation, load operation and orderly closedown operation in detail.
Warming-up operation (step S110)
The time of the motor operation of the timer opening entry compressor of controller inside, that is, and to B1﹠amp; B2 level locking retard time and warming-up pick up counting retard time.At this moment, preferably, the man-machine interface on the display device of controller (HMI) demonstration " the WARMUP(warming-up) ", and equipment running status is exported and the equipment operation lamp will be activated to show that equipment (compressor) turns round.
At this moment, each valve location is as follows:
Import cleaning valve=close=cancel activation
Import Aspirating valves=close=cancel activation
Starting bypass valve=unlatching=cancellation activates
Outlet valve=unlatching=activation
Decompression valves=close=activate
Work as B1﹠amp; B2 level locking retard time (first warming-up retard time) is when expiring, all B1﹠amp; The B2 level is shut down and warning device will change state of activation into.
Work as B1﹠amp; When expiring, controller will proceed to next operation B2 level warming-up retard time (second warming-up retard time), that is, and and load operation (step S120).
Load operation (step S120)
Load operation can comprise prepares loaded state, loaded state, Loading Control and unloaded state.
1. preparation loaded state:
The display device of controller will show information " READY TO LOAD(prepare load) ".
The button that is used for loading will appear at the screen (for example, homepage) of display device so that compressor is loaded.
When load button is pressed, controller will advance to " LOADING(loading) " state.
2. loaded state:
When load button is pressed, will begin loading sequence.
Transmit start signal to open the import Aspirating valves to the import Aspirating valves.
After the import Aspirating valves is opened, send shutdown signal to close the startup bypass valve to starting bypass valve.
After confirming that starting bypass valve closes, compressor will be finished loading, advance to " LOAD CONTROL(Loading Control) " state.
3. Loading Control:
The display device of controller will show information " LOAD CONTROL(Loading Control) ".
Locking picks up counting retard time to the P level, and when P level locking retard time to after date, all P levels are shut down will present state of activation.
When " Recycle PID LOOP(recirculation pid loop) " when being activated, if the recirculation pid loop is in manual mode, " LOAD%OUT " that then links to each other with valve will rise to " manually exporting percentage " setting value.
If the recirculation pid loop is in automatic mode, then the recirculation pid loop will change the 4-20mA signal to keep suction or head pressure.On the setting value page of Centurion Plus controller, can select the control type.
4. unloaded state:
Homepage at the display device of controller unload button occurs to unload.
When unload button is pressed, will begin the unloading order.
When beginning the unloading order, the P level is shut down and will be cancelled.
Send start signal to starting bypass valve, start bypass valve to open.
After confirming that starting bypass valve opens, send shutdown signal to close the import Aspirating valves to the import Aspirating valves.
After confirming that the import Aspirating valves cuts out, compressor unloading will be finished, and controller will return back to " READY TO LOAD(prepares loading) " state.
The equipment run duration can use the test pattern function on the warning page.Recommendation device is in following this state: before entering test pattern, all B1, B2 and other timer all expire.During testing button on pressing Centurion Plus display screen, during test timer, can shut down that function is tested and needn't closing device to all A, B1, B2 or C level.Press STOP TEST(again and stop test) button, can stop test pattern.
All tested pilots all will be charged to initiatively alarm of ACTIVE ALARMS() and the EVENTS(event that has the date mark) page.Can increase progressively test to save the time of testing apparatus to a plurality of tested pilots, all tested pilots all will be charged to incremental order.
Tested pilot being carried out test period, if determine to need the extra test time, can press RESET(again and reset) button prolongs the time of test timer.Press reset button, test timer will return back to its default test time, and test timer will restart countdown, so just can test extra point.
All outage informations all must be removed, and must press reset button before test timer expires preceding or withdraws from test pattern, otherwise phenomenon will take place to shut down.
But equipment run duration use test mode capabilities.When pressing testing button, can shut down function to all A, B, P level and test and needn't kill engine.Some ESD level function will can not appear under the test pattern, for example Emergency Stop(emergency shutdown) function, this function never can be by locking.Hypervelocity or any ESD shut down all can cause hard stop.
Controller will continue to be in this pattern and stop up to pressing STOP() button or the condition that breaks down.
Orderly closedown operation (step S130)
When the stop button that shows on the controller display device is pressed, the orderly closedown operation will be begun to carry out.
At first, the P level is shut down and will be cancelled.
Then, the 4-20mA of recycle valve simulation output is controlled to be is 4mA, be in closed condition to keep valve.
Send start signal to starting bypass valve, start bypass valve to open.
After confirming that starting bypass valve opens, send shutdown signal to the import Aspirating valves, to close the import Aspirating valves.
After confirming that the import Aspirating valves cuts out, first cooling is picked up counting retard time.
Transmit shutdown signal to outlet valve, to close outlet valve.After confirming exhaust valve closure, the second cooling delay time is carried out timing.
Cool off retard time to after date at affirmation import Aspirating valves and exhaust valve closure and first and second, with the activation of the main motor of cancellation and the output of lube oil cooler motor, to stop motor.
Equipment running status output and equipment operation lamp will be cancelled activation to show not operation of equipment.
After orderly closedown operation as above, position and the state of each valve are as follows:
Import cleaning valve=close=cancel activation
Import Aspirating valves=close=cancel activation
Starting bypass valve=unlatching=cancellation activates
Outlet valve=close=cancel activation
Decompression valves=close=activate
Preferably, after through the operation of as above orderly closedown, can show the information about " READY TO START(prepares startup) " on the display device of controller.
During compressor operating, controller can pass through the operation shape body of each parts of dedicated monitoring device (for example, sensor etc.) monitoring compressor, breaks down determining whether.When breaking down, controller can be carried out following disorderly closedown operation.
The fault shut-down operation
When needing to shut down when breaking down, all motor outputs will be cancelled activation immediately to stop motor.Equipment running status output and equipment operation lamp will be cancelled activation.The output of equipment downtime state and equipment downtime lamp will be activated to show and fault occur.At this moment, the position of each valve is as follows:
Import cleaning valve=close=cancel activation
Import Aspirating valves=close=cancel activation
Starting bypass valve=unlatching=cancellation activates
Outlet valve=close=cancel activation
Decompression valves=close=activate
At this moment, controller becomes 4mA to keep valve closing with the 4-20mA simulation output of recycle valve.
Preferably, can show the shutdown reason at the display device of controller.Shutdown event stabs and can be kept in the list of thing together with date and time first.Show on the display device of controller that the information of " SHUTDOWN(shutdown) " is with indication equipment shape body.Only solve and correct shut down reason after, and after reset button was pressed, controller just can be removed halt condition.
After shutdown resets, controller will be back to READY TO START(and prepare to start) state.
During compressor operating, controller can be carried out following emergency shutdown operation so that compressor is carried out emergency shutdown when receiving for the signal of emergency shutdown or detecting the event that needs emergency shutdown.
＜emergency shutdown operation 〉
When controller received for the signal of emergency shutdown or detects the event that needs emergency shutdown, the activation of all motors outputs of immediate cancel was to stop motor.Equipment running status output and equipment operation lamp will be cancelled activation.The output of equipment downtime state and equipment downtime lamp will be activated to show fault will have taken place.
When needs were carried out the emergency shutdown operation, controller will begin to carry out pressure release.For this reason, the 4-20mA of recycle valve simulation output will become 4mA, to keep valve closing.Simultaneously, each valve is in as upper/lower positions:
Import cleaning valve=close=cancel activation
Import Aspirating valves=close=cancel activation
Starting bypass valve=unlatching=cancellation activates
Outlet valve=close=cancel activation
Decompression valves=unlatching=cancellation activates
At this moment, preferably, the emergency shutdown reason is presented on the operation interface on the display device of controller.First, the emergency shutdown event is stabbed together with date and time and is kept in the list of thing.Show the information about " SHUTDOWN(shutdown) " on the display device of controller, with indication equipment shape body.
After carrying out the emergency shutdown operation, only after solving and correct the shutdown reason, press reset button and could remove halt condition.
After shutdown resets, controller will be back to READY TO START(and prepare to start) state.
During compressor operating, controller can be carried out following alarm operation when detecting the generation alert event or receiving alarm signal, so that compressor is carried out alarm operation.
＜warning order 〉
When controller detects when alert event taking place or receiving alarm signal, warning reason is presented on the display device of man-machine interface of controller, report to the police output and warning light will be activated.
When no longer enlivening when reporting to the police, screen message will be removed automatically.Warning output and warning light will be cancelled activation.
Alert event stabs together with date and time and will be stored in the alarm history record.
According to the startup method that is used for Reciprocting piston compressor of aforesaid exemplary embodiment of the present invention, can make the parallel-adder settle-out time of compressor increase and improve its reliability.
Though represented and described some embodiments of the present invention, it should be appreciated by those skilled in the art that under the situation that does not break away from the principle of the present invention that limited its scope by claim and equivalent thereof and spirit, can make amendment to these embodiments.
Claims (2)
1. an operation method that is used for Reciprocting piston compressor is characterized in that comprising the steps:
The state that make import cleaning valve, import Aspirating valves, starts bypass valve, outlet valve and Decompression valves be in respectively close, close, unlatching, opening and closing state and first warming-up carried out timing retard time;
When first warming-up expires retard time, make the shutdown of all predetermine levels and the state of warning device be in state of activation, and second warming-up is carried out timing retard time;
When second warming-up expires retard time, and when being presented at load button on the display device of controller and being pressed, transmit start signal to open the import Aspirating valves to the import Aspirating valves;
After the import Aspirating valves is opened, send shutdown signal to close the startup bypass valve to starting bypass valve;
When starting bypass valve and close and be presented at unload button on the display device of controller and be pressed, send start signal to starting bypass valve, start bypass valve to open;
After confirming that starting bypass valve opens, send shutdown signal to close the import Aspirating valves to the import Aspirating valves;
When the stop button that the import Aspirating valves cuts out and the display device of controller shows is pressed, the 4-20mA simulation output of recycle valve is controlled to be 4mA, be in closed condition to keep recirculation (egr) valve;
Send start signal to starting bypass valve, start bypass valve to open;
After confirming that starting bypass valve opens, send shutdown signal to the import Aspirating valves, to close the import Aspirating valves;
After confirming that the import Aspirating valves cuts out, first cooling is picked up counting retard time;
Transmit shutdown signal to outlet valve, to close outlet valve;
After confirming exhaust valve closure, the second cooling delay time is carried out timing;
Cool off retard time to after date at affirmation import Aspirating valves and exhaust valve closure and first and second, with the activation of the main motor of cancellation and the output of lube oil cooler motor, to stop motor.
2. the operation method for Reciprocting piston compressor according to claim 1 is characterized in that, the import cleaning valve is connected in the valve on the compressor air inlet process pipe, is used for the control that the air inlet before compressor bank starts is cleaned;
The import Aspirating valves is connected in the valve on the compressor air inlet process pipe, when being used for compressor loads, unloading to the control of air inlet;
Start bypass valve and be connected in compressor bank air inlet and final stage exhaust air technique pipeline, be mainly used in the backflow control of process gas;
Outlet valve is connected on the final compressor exhaust pressure process pipe, is mainly used in the control to the final exhaust of compressor;
Decompression valves is connected on the final stage exhaust air technique pipeline, is used for the control of compressor bank unloading safety air defense in emergency circumstances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310222364.XA CN103306955B (en) | 2013-06-06 | 2013-06-06 | For the operation method of Reciprocting piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310222364.XA CN103306955B (en) | 2013-06-06 | 2013-06-06 | For the operation method of Reciprocting piston compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103306955A true CN103306955A (en) | 2013-09-18 |
| CN103306955B CN103306955B (en) | 2016-05-11 |
Family
ID=49132547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310222364.XA Active CN103306955B (en) | 2013-06-06 | 2013-06-06 | For the operation method of Reciprocting piston compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103306955B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345514A (en) * | 2016-05-06 | 2017-11-14 | 中国石油化工股份有限公司 | A kind of compressor boot system and method |
| CN110080971A (en) * | 2019-04-09 | 2019-08-02 | 中国石油集团济柴动力有限公司成都压缩机分公司 | A kind of gas Qi Fangfa suitable for supercritical carbon dioxide compressibility |
-
2013
- 2013-06-06 CN CN201310222364.XA patent/CN103306955B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345514A (en) * | 2016-05-06 | 2017-11-14 | 中国石油化工股份有限公司 | A kind of compressor boot system and method |
| 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 |
| CN110080971A (en) * | 2019-04-09 | 2019-08-02 | 中国石油集团济柴动力有限公司成都压缩机分公司 | A kind of gas Qi Fangfa suitable for supercritical carbon dioxide compressibility |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103306955B (en) | 2016-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10724462B2 (en) | System and method for a compressor | |
| CN105863815B (en) | Cooling system diagnostic method | |
| CN104981593B (en) | Stop the apparatus and method of the working-fluid flow in waste heat recovery plant | |
| CN104533767B (en) | Compressor start control method | |
| KR101836361B1 (en) | Exhaust-gas turbocharger | |
| CN104619961A (en) | System and method of augmenting low oil pressure in an internal combustion engine | |
| CN103808476A (en) | Hyper-pressure explosion detection system | |
| CN103306955A (en) | Method for running reciprocating piston compressor | |
| CN107975396A (en) | A kind of engine lubrication assistant control method and device | |
| CN208793062U (en) | A kind of lubricating system and engine | |
| CN103306939B (en) | For the starting method of Reciprocting piston compressor | |
| JP2012246865A (en) | Pump facility | |
| CN104500378A (en) | Compressor starting control device | |
| US20210180892A1 (en) | Method and apparatus for flushing contaminants from a container of fluids | |
| CN105135752B (en) | Compressor assembly, compressor assembly method for controlling oil return and device | |
| CN107905856A (en) | A kind of jiggering and jacking(oil) pump control system and its control method | |
| CN105927523A (en) | Starting method of high-speed high-power compressor | |
| CN109578317B (en) | Control method and device for lubricating oil system of centrifugal compressor | |
| KR102158647B1 (en) | Dry running preventing apparatus and method of lubrication pump for engine lubrication oil system | |
| JP2007100976A (en) | Device and method for diagnosing failure of gas engine driven-air conditioner | |
| CN112874385B (en) | Thermal management system diagnosis method and device, thermal management control system and vehicle | |
| CN113586199A (en) | Method for emergency lubricating oil replenishment, engine controller and storage medium | |
| CN105863846A (en) | Method for removing air plug of lubricating oil pump of engine | |
| US20210388835A1 (en) | Gas Compressor | |
| JP2015110941A (en) | System for preventing mechanical damage to internal combustion engine due to inefficient lubrication of engine itself |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
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 |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
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 |
|
| TR01 | Transfer of patent right |