CN110410309A - Large-scale compressor set auxiliary machinery method for monitoring operation states - Google Patents
Large-scale compressor set auxiliary machinery method for monitoring operation states Download PDFInfo
- Publication number
- CN110410309A CN110410309A CN201910714740.4A CN201910714740A CN110410309A CN 110410309 A CN110410309 A CN 110410309A CN 201910714740 A CN201910714740 A CN 201910714740A CN 110410309 A CN110410309 A CN 110410309A
- Authority
- CN
- China
- Prior art keywords
- signal
- subsidiary engine
- contactor
- state
- automatic switch
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Abstract
The invention discloses a kind of large-scale compressor set auxiliary machinery method for monitoring operation states, the monitoring method passes through the automatic switch inside subsidiary engine MCC cabinet, contactor, electrothermal relay control signal accesses to DCS system and carries out Logical Configuration, by reading each signal realization to the accurate judgement of the operating status of each subsidiary engine, effectively avoid the generation of accident, specifically, when large-scale compressor is in operating status, lubricating oil caused by shutting down discovery not in time because of subsidiary engine can be effectively prevent to enter compressor body and dragging motor, to play a protective role to compressor and dragging motor；When large-scale compressor is in the operating status before shutting down, it also can effectively prevent oil pump etc. and break down and cause oil-break, play a protective role to compressor and dragging motor.
Description
Technical field
The present invention relates to a kind of equipment monitoring methods, and in particular to a kind of large-scale compressor set auxiliary machinery monitoring running state
Method.
Background technique
Steel plant's Production for oxygen is protected in key equipment, air compressor machine, supercharger, oxygen compressor, nitrogen compressor etc. belong to large size
Compressor.When unit operation or the when of shutdown, subsidiary engine occur that fuel tank subsidiary engine is low to be caused to press due to failure stoppage in transit cannot be found in time
Contracting machine ontology and dragging motor oil inlet seriously affect the operational safety and equipment safety of unit.If lubricating oil enters dragging motor,
Motor insulation can be made to reduce, the safety in operation that electrical breakdown or electric leakage etc. seriously affect motor occurs.During compressor operation,
If lubricating oil enters compressor body, the product quality of compressor compresses medium, serious influence compressor set gently then will affect
Operational safety.Because oxygen compressor prohibits oil comprehensively, if lubricating oil enters oxygen compressor, oxygen compressor unit can be made to catch fire
Explosion.
Summary of the invention
Goal of the invention: in order to overcome the drawbacks of the prior art, the present invention provides a kind of large-scale compressor set auxiliary machinery operation
State monitoring method can be judged the operating status of each subsidiary engine in time by the monitoring method, avoid the generation of accident.
Technical solution: a kind of large-scale compressor set auxiliary machinery method for monitoring operation states of the present invention, feature exist
In installing auxiliary contact additional in the automatic switch of each subsidiary engine, take out the automatic switch signal of each subsidiary engine, opened automatically with described
Main current supply circuit signal of the OFF signal as each subsidiary engine；Monitoring is installed on the subsidiary loop of the main contactor of each subsidiary engine
Point takes out the contactor signal of each subsidiary engine, using the contactor signal as the run signal of each subsidiary engine；In each subsidiary engine
Electrothermal relay subsidiary loop on monitoring point is installed, take out the electrothermal relay signal of each subsidiary engine, with the electrothermal relay letter
Electric signal number as each subsidiary engine；The electric terminal of the main current supply circuit signal, run signal and electric signal is connect
Enter into DCS system middle carry out Logical Configuration, the operating status of each subsidiary engine is judged by reading each signal, and according to operation
State sounds an alarm.
Specifically, the logic of the Logical Configuration include: the automatic switch signal when subsidiary engine, contactor model and heat after
When electrical signal is on-state, which is in normal operating condition.
When the automatic switch signal and electrothermal relay signal of subsidiary engine are on-state, and contactor signal is off-state,
The subsidiary engine is in run-stopping status.
When the automatic switch signal and contactor signal of subsidiary engine are on-state, and electrothermal relay signal is off-state,
The subsidiary engine is in electrical fault condition.
When the electrothermal relay signal and contactor signal of subsidiary engine are on-state, and automatic switch signal is off-state,
The subsidiary engine is in electrical off-position.
The utility model has the advantages that the monitoring method passes through the automatic switch inside subsidiary engine MCC cabinet, contactor, electrothermal relay control letter
It number accesses to DCS system and carries out Logical Configuration, realize accurately sentencing to the operating status of each subsidiary engine by reading each signal
It is disconnected, the generation of accident is effectively avoided, specifically, can effectively prevent when large-scale compressor is in operating status because of subsidiary engine
Shutting down discovery not in time causes lubricating oil to enter compressor body and dragging motor, to play guarantor to compressor and dragging motor
Shield effect；When large-scale compressor is in the operating status before shutting down, it also can effectively prevent oil pump etc. and break down and cause
Oil-break plays a protective role to compressor and dragging motor.
Detailed description of the invention
Monitoring system structure diagram in Fig. 1 embodiment of the present invention.
Specific embodiment
In the following, being described in further details by taking certain steel mill 1# oxygen air compressor as an example to the present invention.
As shown in Figure 1, using large-scale compressor set auxiliary machinery method for monitoring operation states of the invention, to 1# oxygen air
The working condition of each subsidiary engine of compressor is monitored.
Auxiliary contact are installed additional in the internal automatic switch of the MCC cabinet (case) of each subsidiary engine, take out the automatic of each subsidiary engine
Switching signal, to be automatically switched signal as the main current supply circuit signal of each subsidiary engine.Purpose is auxiliary in order to find at the first time
The electric power thus supplied of machine, carries out emergency trouble shooting measures, to guarantee that equipment safety produces.
Monitoring point is installed on the subsidiary loop of the main contactor of each subsidiary engine, takes out the contactor signal of each subsidiary engine,
Using contactor signal as the run signal of each subsidiary engine, to monitor the operating condition of each subsidiary engine.
Monitoring point is installed on the subsidiary loop of the electrothermal relay of each subsidiary engine, takes out the electrothermal relay letter of each subsidiary engine
Number, using electrothermal relay signal as the electric signal of each subsidiary engine, to monitor whether each subsidiary engine electric fault occurs.
The electric terminal of main current supply circuit signal, run signal and electric signal is accessed in DCS system and is patrolled
Configuration is collected, specifically, the logic of Logical Configuration includes: the automatic switch signal when subsidiary engine, contactor model and electrothermal relay
When signal is on-state, which is in normal operating condition；When the automatic switch signal and electrothermal relay signal of subsidiary engine
For on-state, when contactor signal is off-state, which is in run-stopping status；When the automatic switch signal of subsidiary engine
It is on-state with contactor signal, when electrothermal relay signal is off-state, which is in electrical fault condition；Work as subsidiary engine
Electrothermal relay signal and contactor signal be on-state, when automatic switch signal is off-state, which is in electrical
Off-position.
It is wherein broken as 0, connecting is 1, is programmed in DCS system according to the logic, is sentenced by reading each signal
Break the operating status of each subsidiary engine, and excites screen flash of light to sound an alarm according to operating status.Complete wanting for overall monitor subsidiary engine
It asks, the later period can be as needed, and D0 point is accessed to the flashing light alarm for carrying out equipment.
Claims (5)
1. a kind of large-scale compressor set auxiliary machinery method for monitoring operation states, which is characterized in that in the automatic switch of each subsidiary engine
Upper installation auxiliary contact take out the automatic switch signal of each subsidiary engine, using the automatic switch signal as the master of each subsidiary engine
Current supply circuit signal；
Monitoring point is installed on the subsidiary loop of the main contactor of each subsidiary engine, the contactor signal of each subsidiary engine is taken out, with institute
State run signal of the contactor signal as each subsidiary engine；
Monitoring point is installed on the subsidiary loop of the electrothermal relay of each subsidiary engine, takes out the electrothermal relay signal of each subsidiary engine, with
Electric signal of the electrothermal relay signal as each subsidiary engine；
The electric terminal of the main current supply circuit signal, run signal and electric signal is accessed in DCS system and is patrolled
Configuration is collected, judges the operating status of each subsidiary engine by reading each signal, and sound an alarm according to operating status.
2. large-scale compressor set auxiliary machinery method for monitoring operation states according to claim 1, which is characterized in that described to patrol
It is on-state that the logic for collecting configuration, which includes: the automatic switch signal when subsidiary engine, contactor model and electrothermal relay signal,
When, which is in normal operating condition.
3. large-scale compressor set auxiliary machinery method for monitoring operation states according to claim 2, which is characterized in that work as subsidiary engine
Automatic switch signal and electrothermal relay signal be on-state, contactor signal be off-state when, the subsidiary engine be in stop
Operating status.
4. large-scale compressor set auxiliary machinery method for monitoring operation states according to claim 2, which is characterized in that work as subsidiary engine
Automatic switch signal and contactor signal be on-state, when electrothermal relay signal is off-state, which is in electrical
Malfunction.
5. large-scale compressor set auxiliary machinery method for monitoring operation states according to claim 2, which is characterized in that work as subsidiary engine
Electrothermal relay signal and contactor signal be on-state, when automatic switch signal is off-state, which is in electrical
Off-position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714740.4A CN110410309B (en) | 2019-08-02 | 2019-08-02 | Method for monitoring running state of auxiliary machine of large compressor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714740.4A CN110410309B (en) | 2019-08-02 | 2019-08-02 | Method for monitoring running state of auxiliary machine of large compressor unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110410309A true CN110410309A (en) | 2019-11-05 |
| CN110410309B CN110410309B (en) | 2021-05-11 |
Family
ID=68365546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910714740.4A Active CN110410309B (en) | 2019-08-02 | 2019-08-02 | Method for monitoring running state of auxiliary machine of large compressor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110410309B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271303A (en) * | 2020-01-22 | 2020-06-12 | 西安陕鼓通风设备有限公司 | Oil station electric control system, ventilator unit control system and control method |
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|---|---|---|---|---|
| US5434488A (en) * | 1991-12-20 | 1995-07-18 | Matsushita Electric Industrial Co., Ltd. | Device for preventing the burning of a coil for a brushless motor and capable of controlling the speed of the motor |
| CN2469600Y (en) * | 2001-02-22 | 2002-01-02 | 张顺希 | Automatic protecting device of air compressing machine |
| CN1495433A (en) * | 2002-09-19 | 2004-05-12 | System and method for detecting open-phase of compressor system | |
| EP2154778A1 (en) * | 2007-06-07 | 2010-02-17 | Mitsubishi Electric Corporation | Electric motor controller |
| CN101738974A (en) * | 2009-12-17 | 2010-06-16 | 四川中鼎自动控制有限公司 | System for monitoring auxiliary engine state |
| CN203014354U (en) * | 2013-01-05 | 2013-06-19 | 河北钢铁股份有限公司邯郸分公司 | Circuit for controlling auxiliary device of large units |
| US8493012B2 (en) * | 2009-11-17 | 2013-07-23 | Eaton Corporation | Protection relay, electrical switching apparatus, and system for determining and outputting fault current available at a load and incident energy or personal protective equipment level operatively associated therewith |
| CN104793610A (en) * | 2015-05-08 | 2015-07-22 | 华北电力科学研究院有限责任公司 | Method and device for determining parameters of feed forward controller of coordination system |
| CN106685311A (en) * | 2016-12-27 | 2017-05-17 | 中科合成油工程股份有限公司 | Low-tension motor general control circuit and method based on programmable protector |
-
2019
- 2019-08-02 CN CN201910714740.4A patent/CN110410309B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5434488A (en) * | 1991-12-20 | 1995-07-18 | Matsushita Electric Industrial Co., Ltd. | Device for preventing the burning of a coil for a brushless motor and capable of controlling the speed of the motor |
| CN2469600Y (en) * | 2001-02-22 | 2002-01-02 | 张顺希 | Automatic protecting device of air compressing machine |
| CN1495433A (en) * | 2002-09-19 | 2004-05-12 | System and method for detecting open-phase of compressor system | |
| EP2154778A1 (en) * | 2007-06-07 | 2010-02-17 | Mitsubishi Electric Corporation | Electric motor controller |
| US8493012B2 (en) * | 2009-11-17 | 2013-07-23 | Eaton Corporation | Protection relay, electrical switching apparatus, and system for determining and outputting fault current available at a load and incident energy or personal protective equipment level operatively associated therewith |
| CN101738974A (en) * | 2009-12-17 | 2010-06-16 | 四川中鼎自动控制有限公司 | System for monitoring auxiliary engine state |
| CN203014354U (en) * | 2013-01-05 | 2013-06-19 | 河北钢铁股份有限公司邯郸分公司 | Circuit for controlling auxiliary device of large units |
| CN104793610A (en) * | 2015-05-08 | 2015-07-22 | 华北电力科学研究院有限责任公司 | Method and device for determining parameters of feed forward controller of coordination system |
| CN106685311A (en) * | 2016-12-27 | 2017-05-17 | 中科合成油工程股份有限公司 | Low-tension motor general control circuit and method based on programmable protector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271303A (en) * | 2020-01-22 | 2020-06-12 | 西安陕鼓通风设备有限公司 | Oil station electric control system, ventilator unit control system and control method |
| CN111271303B (en) * | 2020-01-22 | 2021-01-01 | 西安陕鼓通风设备有限公司 | Oil station electric control system, ventilator unit control system and control method |
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| Publication number | Publication date |
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| CN110410309B (en) | 2021-05-11 |
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