CN115264358B - Cleaning device for lubricating oil system of gas turbine - Google Patents
Cleaning device for lubricating oil system of gas turbine Download PDFInfo
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- CN115264358B CN115264358B CN202210928981.0A CN202210928981A CN115264358B CN 115264358 B CN115264358 B CN 115264358B CN 202210928981 A CN202210928981 A CN 202210928981A CN 115264358 B CN115264358 B CN 115264358B
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 118
- 238000004140 cleaning Methods 0.000 title claims abstract description 86
- 239000003921 oil Substances 0.000 claims abstract description 172
- 238000012544 monitoring process Methods 0.000 claims abstract description 81
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 239000002245 particle Substances 0.000 claims abstract description 27
- 239000007787 solid Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 61
- 238000004891 communication Methods 0.000 claims description 19
- 239000003344 environmental pollutant Substances 0.000 claims description 17
- 231100000719 pollutant Toxicity 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 claims description 8
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000010779 crude oil Substances 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000000750 progressive effect Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/02—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems for influencing the supply of lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N33/00—Mechanical arrangements for cleaning lubricating equipment; Special racks or the like for use in draining lubricant from machine parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N33/00—Mechanical arrangements for cleaning lubricating equipment; Special racks or the like for use in draining lubricant from machine parts
- F16N2033/005—Flushing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to the technical field of lubricating oil cleaning devices, and discloses a cleaning device for a lubricating oil system of a gas turbine, which comprises: the monitoring assembly is connected to an oil supply pipeline of the lubricating oil system and used for monitoring the oil supply state; the first filtering component is connected with an oil supply pipeline of the lubricating oil system and is used for filtering lubricating oil in the lubricating oil system in a progressive manner; a controller for receiving the data information of the monitoring assembly and controlling the filter assembly to start/stop the cleaning operation of the lubricating oil in the lubricating oil system according to the data information; when the pollution degree of solid particles in the lubricating oil is monitored to be higher, the filtering mode is automatically started, the lubricating oil is filtered and cleaned, the solid particles in the lubricating oil are filtered, the normal operation of a lubricating oil system is ensured, the damage of the solid particles in the lubricating oil to the transmission parts of the gas turbine is avoided, and the service life of the transmission parts is ensured.
Description
Technical Field
The invention belongs to the field of lubricating oil cleaning devices, and particularly relates to a cleaning device for a lubricating oil system of a gas turbine.
Background
The gas turbine is a rotary power machine which uses continuously flowing gas as working medium to convert heat energy into mechanical work. In the main flow of air and gas, only the gas turbine cycle consisting of three parts, namely a compressor, a combustion chamber and a gas turbine, is called as simple cycle. Most gas turbines employ a simple cycle scheme. Because of its simplest structure, it is the most advantageous to have a small volume, light weight, quick start, little or no cooling water, etc. that are typical of gas turbines.
The working process of the gas turbine is that the air compressor (i.e. the compressor) continuously sucks air from the atmosphere, and the air is compressed step by the axial-flow compressor to boost the pressure, and meanwhile, the air temperature is correspondingly increased; the compressed air is sent to a combustion chamber to be mixed with injected fuel to generate high-temperature and high-pressure gas, and then the gas flows into a gas turbine to expand and do work, so that turbine impellers are pushed to rotate together with the compressor impellers, exhaust gas discharged from the turbine is discharged to the atmosphere to release heat naturally, the chemical energy of the gas or liquid fuel is partially converted into mechanical work, and electric work is output; the working capacity of the heated high-temperature gas is obviously improved, so that the gas turbine drives the gas compressor and simultaneously has residual work as output mechanical work of the gas turbine.
The gas turbine will generate higher temperature during operation, if the gas turbine operating component runs at the high temperature for a long time, the service life of the gas turbine operating component will be greatly reduced, so that a lubricating oil system needs to be added into the gas turbine unit to lubricate the gas turbine unit to a certain extent so as to improve the transmission efficiency of the gear, ensure the lubrication and cooling of the gas turbine operating component, and realize the functions of corrosion prevention and vibration reduction of some components.
However, in the operation process of the gas turbine, the service time is prolonged, tiny particles in air and particles falling during machine operation are mixed in the lubricating oil, so that the supply efficiency of the lubricating oil is affected, the grinding effect is generated in the gear meshing transmission process, the transmission efficiency is affected, the transmission parts of the gas turbine are damaged, and the normal operation of the gas turbine is affected.
Disclosure of Invention
The invention aims to provide a cleaning device for a lubricating oil system of a gas turbine, which aims to solve the technical problem that excessive impurities in lubricating oil in the lubricating oil system of the gas turbine affect the normal operation of the gas turbine.
In order to solve the technical problems, the specific technical scheme of the invention is as follows:
In some embodiments of the present application, a gas turbine lubrication oil system cleaning apparatus is provided, comprising: the monitoring assembly is connected to an oil supply pipeline of the lubricating oil system and used for monitoring the oil supply state;
The first filtering component is connected with an oil supply pipeline of the lubricating oil system and is used for filtering lubricating oil in the lubricating oil system;
And the controller is used for receiving the data information of the monitoring assembly and controlling the filtering assembly to start/stop the cleaning operation of the lubricating oil in the lubricating oil system according to the data information.
Preferably, in some embodiments of the above-described cleaning apparatus for a lubricating oil system of a gas turbine, the first filter assembly comprises:
the electromagnetic valve I is arranged on an oil supply pipeline of the lubricating oil system and used for stopping the oil supply pipeline;
The inlet end of the filter is communicated with an oil supply pipeline of the lubricating oil system, the communication node is positioned at the upstream position of the first electromagnetic valve, the outlet end of the filter is communicated with the oil supply pipeline, and the communication node is positioned at the downstream position of the first electromagnetic valve;
The electromagnetic valve II is arranged at the inlet end position of the filter;
The first electromagnetic valve and the second electromagnetic valve are respectively and electrically connected with the controller, the controller analyzes and judges according to the data information provided by the monitoring component, when judging that the state of the lubricating oil is qualified, the controller controls the first electromagnetic valve to be opened, and simultaneously controls the second electromagnetic valve to be closed, so that the lubricating oil enters the position to be lubricated of the gas turbine along the oil supply pipeline; when the state of the lubricating oil is judged to be unqualified, the controller controls the first electromagnetic valve to be closed, and simultaneously controls the second electromagnetic valve to be opened, so that the lubricating oil enters the device to be lubricated after being filtered by the filter.
Preferably, in some embodiments of the above-described cleaning apparatus for a lubricating oil system of a gas turbine, the first filter assembly further comprises a first oil path switching member electrically connected to the controller; the first oil way conversion component is provided with an inlet end and at least two outlet ends, the inlet end of the first oil way conversion component is communicated with the outlet end of the second electromagnetic valve, each outlet end is sequentially connected with a filter, the outlet ends of a plurality of filters are converged and then communicated with the oil supply pipeline, and a communication node is positioned at the downstream position of the first electromagnetic valve;
When the filter is required to be cleaned and maintained, the oil way conversion component controls the outlet end to be closed, opens the other outlet end, and utilizes the corresponding filter to continue the filtering operation, and simultaneously cleans and maintains the filter to be maintained.
Preferably, in some embodiments of the cleaning device for a lubricating oil system of a gas turbine, the cleaning device further comprises a plurality of filter assembly cleaning mechanisms, wherein the filter assembly cleaning mechanisms are respectively and correspondingly installed with the filters and each comprise an oil path conversion component II, a cleaning box, an oil pump, a filter screen and an oil path conversion component III, and the oil path conversion component II, the oil pump and the oil path conversion component III are respectively and electrically connected with the controller;
The second oil way conversion component comprises a three-way component and a third electromagnetic valve, one port of the three-way component is communicated with an upstream pipeline of the filter, the other two ports are respectively communicated with the corresponding inlet end of the filter and the corresponding inlet end of the cleaning box, and the third electromagnetic valve is provided with three ports which are respectively and correspondingly arranged at the three port positions of the three-way component; the third oil circuit conversion component has the same structure as the second oil circuit conversion component, one port of the third oil circuit conversion component is communicated with the outlet end of the cleaning box, the other two ports of the third oil circuit conversion component are respectively communicated with the outlet end of the corresponding filter and a downstream pipeline of the filter, and the plurality of the electromagnetic valves are respectively electrically connected with the controller; the filter screen is arranged in the cleaning box to divide the cleaning box into a clean cavity and a filter cavity, and the oil pump is arranged in the clean cavity;
When the filter is cleaned, the controller controls the electromagnetic valve III at the corresponding position in the oil circuit conversion component II and the oil circuit conversion component III to be closed, and cuts off the passage between the filter and the oil supply pipeline so as to form a closed loop with the filter and the cleaning box; when the cleaning device is used for cleaning, the oil pump conveys clean oil in the clean cavity to the filter, the filter is backwashed, the clean oil is used for forming turbid oil after being flushed with impurities in the filter, the turbid oil is wrapped with the impurities and enters the filter cavity, the turbid oil is filtered by the filter screen and becomes clean oil and enters the clean cavity, the filter is cleaned by cyclic flushing, after the cleaning is finished, the controller controls the solenoid valve III in the corresponding position in the oil way conversion part II and the oil way conversion part III to be opened, the passage between the filter and the oil supply pipeline is recovered, and the oil supply pipeline between the filter and the cleaning box is cut off.
Preferably, in some embodiments of the above cleaning device for a lubricating oil system of a gas turbine, the opposite ends of the cleaning tank are respectively provided with an inlet and an outlet, the inlet is arranged near the top of the inner wall of the cleaning tank, an auxiliary filter tube is formed inwards, and an openable sealing door is arranged at the top and corresponds to the auxiliary filter tube;
The filter screen is of a net bag structure, the opening position of the filter screen is sleeved outside the auxiliary filter tube and is detachably connected with the auxiliary filter tube, the space in the filter net bag in the cleaning box is a filter cavity, and the rest spaces are clean cavities.
Preferably, in some embodiments of the above cleaning device for a lubricating oil system of a gas turbine, the cleaning device further comprises a second filter assembly, wherein the second filter assembly has the same structure as the first filter assembly;
The first filter component is arranged on the oil supply pipeline, the setting node is positioned at the upstream position of the gas turbine, the second filter component is arranged on the oil supply pipeline, and the setting node is positioned at the downstream position of the gas turbine.
Preferably, in some embodiments of the above-described cleaning apparatus for a gas turbine lubrication oil system, the monitoring assembly comprises: the first monitoring component and the second monitoring component are used for monitoring the pollution degree of solid particles in lubricating oil in the lubricating oil system;
the first monitoring component is arranged on the oil supply pipeline, and a setting node is positioned at an upstream position of the first electromagnetic valve;
The second monitoring component is arranged on the oil supply pipeline, and the setting node is positioned at the upstream position of the second filtering component.
Preferably, in some embodiments of the above-described cleaning device for a lubricating oil system of a gas turbine, the cleaning device further comprises a third monitoring component and a fourth monitoring component; the third monitoring component and the fourth monitoring component are respectively provided with a plurality of monitoring components and are respectively and electrically connected with the controller and used for monitoring the flow rates of the lubricating oil and the cleaning oil;
the monitoring components III are respectively arranged at the outlet end of the filter;
and the monitoring parts are respectively arranged at the pipe orifice positions of the auxiliary filter pipes.
Preferably, in some embodiments of the above cleaning device for a lubricating oil system of a gas turbine, the controller is provided with an analysis module and a communication module, wherein the analysis module is preset with a threshold value of concentration of particulate pollutants, a threshold value of flow velocity of lubricating oil and a threshold value of flow velocity of cleaning oil; the communication module is used for sending the real-time operation condition to the control terminal, so that the monitoring by staff is facilitated;
When the particle pollutant concentration data collected by the first monitoring component and the second monitoring component exceeds the particle pollutant concentration threshold value, the controller controls the first electromagnetic valve, the second electromagnetic valve and the first oil circuit conversion component to be linked, a filtering passage is opened for filtering the lubricating oil, and when the collected particle pollutant concentration data is lower than the particle pollutant concentration threshold value, the controller controls the first electromagnetic valve, the second electromagnetic valve and the first oil circuit conversion component to be linked, the filtering passage is closed, and the lubricating oil is supplied along a crude oil path;
When the lubricating oil flow rate data acquired by the monitoring component III is lower than the lubricating oil flow rate threshold value in the opening process of the filtering passage, the controller controls the oil circuit conversion component to convert a filtering oil circuit and controls the electromagnetic valve III and the oil pump to act so as to back flush the filter at the position;
in the back flushing process, when the flow speed data of the clean oil collected by the monitoring component IV is lower than the threshold value of the flow speed of the clean oil, the communication module sends early warning information to the control terminal.
Preferably, in some embodiments of the cleaning device for a lubricating oil system of a gas turbine, the cleaning device further comprises an alarm, wherein the alarm is electrically connected with the controller, and the alarm performs audible and visual alarm if the early warning problem is not solved within a certain time after the early warning information is sent.
Compared with the prior art, the invention has the beneficial effects that:
When the pollution degree of solid particles in the lubricating oil is monitored to be higher, a filtering mode can be started, the lubricating oil in the oil supply pipeline is filtered and cleaned, the solid particles in the lubricating oil are filtered, the normal operation of a lubricating oil system is ensured, the damage of the solid particles in the lubricating oil to transmission parts of the gas turbine is avoided, and the service life of the transmission parts of the gas turbine is ensured;
the lubricating oil filter device has the advantages that lubricating oil can be cleaned and filtered under the condition that the gas turbine operates, shutdown maintenance is not needed, the working efficiency of the gas turbine is guaranteed, the filter device is provided with a plurality of filter channels, the filter channels can be used alternately, each filter can be self-cleaned, the degree of automation is higher, and intelligent control is more convenient to conduct.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram provided by an embodiment of the present invention.
In the figure:
1. A gas turbine; 2. a lubrication oil system; 3. a first electromagnetic valve; 4. a filter 4; 5. a second electromagnetic valve; 6. an oil path conversion part I; 7. a third electromagnetic valve; 8. a cleaning box; 9. monitoring part one 9; 10. monitoring part two 1; 11. monitoring a third component; 12. and monitoring a fourth component.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The present invention will be described in further detail with reference to the accompanying drawings for a better understanding of the objects, structures and functions of the present invention.
Referring to FIG. 1, a gas turbine lubrication oil system 2 cleaning apparatus is disclosed, comprising: the monitoring component is connected to the oil supply pipeline of the lubricating oil system 2 and is used for monitoring the oil supply state;
the first filtering component is connected to an oil supply pipeline of the lubricating oil system 2 and is used for filtering lubricating oil in the lubricating oil system 2;
and a controller for receiving the data information of the monitoring assembly and controlling the filter assembly to start/stop the cleaning operation of the lubricating oil in the lubricating oil system 2 based on the data information.
In this scheme, can pass through the content of the interior lubricating oil velocity of flow of monitoring module real-time supervision lubricating oil system and solid particle pollutant, when the lubricating oil velocity of flow is slower, the content of solid particle pollutant exceeds the standard, clear up lubricating oil, do not participate in work when lubricating oil is normal to do not influence going on of normal work, the practicality is strong.
In some embodiments of the application, the filter assembly one includes:
the first electromagnetic valve 3 is arranged on an oil supply pipeline of the lubricating oil system 2 and used for stopping the oil supply pipeline;
the inlet end of the filter 4 is communicated with the oil supply pipeline of the lubricating oil system 2, the communication node is positioned at the upstream position of the first electromagnetic valve 3, the outlet end of the filter 4 is communicated with the oil supply pipeline, and the communication node is positioned at the downstream position of the first electromagnetic valve 3;
the second electromagnetic valve 5 is arranged at the inlet end position of the filter 4;
The first electromagnetic valve 3 and the second electromagnetic valve 5 are respectively and electrically connected with the controller, the controller analyzes and judges according to the data information provided by the monitoring component, when judging that the state of the lubricating oil is qualified, the controller controls the first electromagnetic valve 3 to be opened, simultaneously controls the second electromagnetic valve 5 to be closed, and the lubricating oil enters the position to be lubricated of the gas turbine 1 along the oil supply pipeline; when judging that the state of the lubricating oil is unqualified, the controller controls the first electromagnetic valve 3 to be closed, simultaneously controls the second electromagnetic valve 5 to be opened, and the lubricating oil enters the device to be lubricated after being filtered by the filter 4.
In some embodiments of the present application, the first filter assembly further includes a first oil path conversion part 6 electrically connected to the controller; the first oil way conversion component 6 is provided with an inlet end and at least two outlet ends, the inlet end of the first oil way conversion component is communicated with the outlet end of the second electromagnetic valve 5, each outlet end is sequentially connected with a filter 4, the outlet ends of the plurality of filters 4 are converged and then are communicated with an oil supply pipeline, and a communication node is positioned at the downstream position of the first electromagnetic valve 3;
When the filter 4 needs to be cleaned and maintained, the first oil path conversion part 6 controls the outlet end to be closed, opens the other outlet end, and continues the filtering operation by using the corresponding filter 4, and simultaneously cleans and maintains the filter 4 needing to be maintained.
In some embodiments of the present application, the filter assembly cleaning mechanism further comprises a plurality of filter assembly cleaning mechanisms, wherein the filter assembly cleaning mechanisms are respectively installed corresponding to the filters 4, and each filter assembly cleaning mechanism comprises an oil path conversion component II, a cleaning box 8, an oil pump, a filter screen and an oil path conversion component III, and the oil path conversion component II, the oil pump and the oil path conversion component III are respectively electrically connected with the controller;
the second oil path conversion component comprises a three-way component and a third electromagnetic valve 7, wherein one port of the three-way component is communicated with an upstream pipeline of the filter 4, the other two ports are respectively communicated with the inlet end of the corresponding filter 4 and the inlet end of the cleaning box 8, the third electromagnetic valve 7 is provided with three ports, and the three ports are respectively and correspondingly arranged at the positions of the three ports of the three-way component; the third oil path conversion component has the same structure as the second oil path conversion component, one port of the third oil path conversion component is communicated with the outlet end of the cleaning box 8, the other two ports of the third oil path conversion component are respectively communicated with the outlet end of the corresponding filter 4 and a downstream pipeline of the filter 4, and the plurality of electromagnetic valves of the third electromagnetic valve 7 are respectively electrically connected with the controller; the filter screen is arranged in the cleaning box 8 to divide the cleaning box into a clean cavity and a filter cavity, and the oil pump is arranged in the clean cavity;
When the filter 4 is cleaned, the controller controls the electromagnetic valve III 7 at the corresponding position in the oil way conversion part II and the oil way conversion part III to be closed, and cuts off the passage between the filter 4 and the oil supply pipeline, so that the filter 4 and the cleaning box 8 form a closed loop; when the self-cleaning operation is carried out, the oil pump conveys clean oil in the clean cavity to the filter 4, back flushing is carried out on the filter 4, the clean oil forms turbid oil after flushing impurities in the filter 4, the turbid oil is wrapped with the impurities and enters the filter cavity, the turbid oil is filtered by the filter screen and becomes clean oil and enters the clean cavity, the filter 4 is cleaned by cyclic flushing, after the cleaning is finished, the controller controls the electromagnetic valve III 7 at the corresponding position in the oil way conversion part II and the oil way conversion part III to be opened, the passage between the filter 4 and the oil supply pipeline is restored, and the oil supply pipeline between the filter 4 and the cleaning tank 8 is cut off.
In order to further optimize the above technical solution, the filter 4 is a filter that uses a filter screen for physical filtration, which can be cleaned by backwashing.
In some embodiments of the present application, the opposite ends of the cleaning tank 8 are respectively provided with an inlet and an outlet, the inlet of which is arranged near the top of the inner wall of the cleaning tank 8 and is internally provided with an auxiliary filter tube, and the top is provided with an openable sealing door corresponding to the auxiliary filter tube;
The filter screen is the string bag structure, and its open position cover is established in the outside of auxiliary filter pipe to can dismantle with it and be connected, be in the inside space of filter string bag in wasing case 8 and be the filter chamber, other spaces are clean chamber, adopts this scheme can wash the filter, further concentrate the impurity of filtering out in the filter screen, regularly clear up the filter screen can, convenient and fast, the maintenance of being convenient for.
According to some embodiments of the present application, the filter further comprises a second filter component, and the second filter component has the same structure as the first filter component;
The first filter component is arranged on the oil supply pipeline, the setting node is positioned at the upstream position of the gas turbine 1, the second filter component is arranged on the oil supply pipeline, and the setting node is positioned at the downstream position of the gas turbine 1.
In some embodiments of the application, the monitoring assembly comprises: the first monitoring component 9 and the second monitoring component 10 are used for monitoring the pollution degree of solid particles in the lubricating oil system 2;
The first monitoring component 9 is arranged on the oil supply pipeline, and the arrangement node is positioned at the upstream position of the first electromagnetic valve 3;
The monitoring part II 10 is arranged on the oil supply pipeline, the arrangement node is positioned at the upstream position of the filtering component II, in the scheme, lubricating oil before entering the steam turbine and after being used by the steam turbine is respectively detected, unqualified lubricating oil is prevented from flowing back to the lubricating oil system again, and the normal operation of the lubricating oil system is ensured.
To further optimize the solution described above, both the first monitoring means 9 and the second monitoring means 10 are automatic particle counters.
In some embodiments of the application, the system further comprises a third monitoring component 11 and a fourth monitoring component 12; the third monitoring component 11 and the fourth monitoring component 12 are respectively provided with a plurality of monitoring components and are respectively and electrically connected with the controller and used for monitoring the flow rates of lubricating oil and clean oil;
The monitoring components III 11 are respectively arranged at the outlet end of the filter 4;
The four monitoring components 12 are respectively arranged at the pipe orifice of the auxiliary filter pipe, the scheme can judge the use state of the filter through the flow velocity of lubricating oil, when the accumulated impurities of the filter are more, the flow velocity of the lubricating oil is slower, the controller can control the oil way conversion component to convert the filtering oil way, the filter accumulated with excessive impurities is cleaned, the normal operation of the steam turbine and the lubricating oil system is ensured, and the working process is ensured.
In order to further optimize the technical scheme, the monitoring component III 11 and the monitoring component IV 12 are flow rate sensors.
In some embodiments of the present application, the controller is provided with an analysis module and a communication module, wherein the analysis module is preset with a threshold value of the concentration of particulate pollutants, a threshold value of the flow rate of lubricating oil and a threshold value of the flow rate of clean oil; the communication module is used for sending the real-time operation condition to the control terminal, so that the monitoring by the staff is facilitated;
When the particle pollutant concentration data collected by the first monitoring component 9 and the second monitoring component 10 exceeds a particle pollutant concentration threshold value, the controller controls the first electromagnetic valve 3, the second electromagnetic valve 5 and the first oil way conversion component 6 to be linked, the filtering passage is opened to filter lubricating oil in the oil supply pipeline, and when the collected particle pollutant concentration data is lower than the particle pollutant concentration threshold value, the controller controls the first electromagnetic valve 3, the second electromagnetic valve 5 and the first oil way conversion component 6 to be linked, the filtering passage is closed, and the lubricating oil is supplied along the crude oil pipeline;
in the opening process of the filtering passage, when the flow rate data of the lubricating oil collected by the monitoring component III 11 is lower than a flow rate threshold value of the lubricating oil, the controller controls the oil passage conversion component I6 to convert the filtering oil passage and controls the electromagnetic valve III 7 and the oil pump to act so as to back wash the filter 4 at the position;
in the back flushing process, when the clean oil flow rate data collected by the monitoring component IV 12 is lower than the clean oil flow rate threshold value, the communication module sends early warning information to the control terminal.
In the embodiment of the application, the standard for judging whether the lubricating oil meets the standard is to collect the content of solid particulate matter impurities of the lubricating oil, then compare with a preset threshold value, if the content is higher than the preset threshold value, the lubricating oil is required to be unqualified and is required to be filtered, otherwise, the lubricating oil is qualified and the intervention of a filtering system is not required; the basis for judging whether the filter and the cleaning box need to be cleaned is the flow velocity of the lubricating oil and the cleaning oil flowing through, if the flow velocity is higher than a preset threshold value, the cleaning is not needed, otherwise, the cleaning is needed.
According to some embodiments of the application, the system further comprises an alarm, wherein the alarm is electrically connected with the controller, and the alarm performs audible and visual alarm when the early warning problem is not solved within a certain time after the early warning information is sent.
In the embodiment of the application, the alarm gives an alarm to the staff to remind the staff to pay attention to the system information, and the staff is timely salvaged when encountering an emergency problem.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A gas turbine lubrication oil system cleaning apparatus, comprising:
The monitoring assembly is connected to an oil supply pipeline of the lubricating oil system and used for monitoring the oil supply state;
The first filtering component is connected with an oil supply pipeline of the lubricating oil system and is used for filtering lubricating oil in the lubricating oil system;
A controller for receiving data information of the monitoring assembly and controlling the filtering assembly to start/stop a cleaning operation of the lubricating oil in the lubricating oil system according to the data information; the first filter assembly comprises:
the electromagnetic valve I is arranged on an oil supply pipeline of the lubricating oil system and used for stopping the oil supply pipeline;
The inlet end of the filter is communicated with an oil supply pipeline of the lubricating oil system, the communication node is positioned at the upstream position of the first electromagnetic valve, the outlet end of the filter is communicated with the oil supply pipeline, and the communication node is positioned at the downstream position of the first electromagnetic valve;
The electromagnetic valve II is arranged at the inlet end position of the filter;
The first electromagnetic valve and the second electromagnetic valve are respectively and electrically connected with the controller, the controller analyzes and judges according to the data information provided by the monitoring component, when judging that the state of the lubricating oil is qualified, the controller controls the first electromagnetic valve to be opened, and simultaneously controls the second electromagnetic valve to be closed, so that the lubricating oil enters the position to be lubricated of the gas turbine along the oil supply pipeline; when the state of the lubricating oil is judged to be unqualified, the controller controls the first electromagnetic valve to be closed, and simultaneously controls the second electromagnetic valve to be opened, so that the lubricating oil enters the device to be lubricated after being filtered by the filter;
The first filter assembly further comprises a first oil circuit conversion component which is electrically connected with the controller; the first oil way conversion component is provided with an inlet end and at least two outlet ends, the inlet end of the first oil way conversion component is communicated with the outlet end of the second electromagnetic valve, each outlet end is sequentially connected with a filter, the outlet ends of a plurality of filters are converged and then communicated with the oil supply pipeline, and a communication node is positioned at the downstream position of the first electromagnetic valve;
When the filter is required to be cleaned and maintained, the oil way conversion component controls the outlet end to be closed, opens the other outlet end, and uses the corresponding filter to continue the filtering operation, and simultaneously cleans and maintains the filter to be maintained;
The filter assembly cleaning mechanism is provided with a plurality of filter assemblies, is respectively and correspondingly arranged with the filter and comprises an oil way conversion part II, a cleaning box, an oil pump, a filter screen and an oil way conversion part III, wherein the oil way conversion part II, the oil pump and the oil way conversion part III are respectively and electrically connected with the controller; the second oil way conversion component comprises a three-way component and a third electromagnetic valve, one port of the three-way component is communicated with an upstream pipeline of the filter, the other two ports are respectively communicated with the corresponding inlet end of the filter and the corresponding inlet end of the cleaning box, and the third electromagnetic valve is provided with three ports which are respectively and correspondingly arranged at the three port positions of the three-way component; the third oil circuit conversion component has the same structure as the second oil circuit conversion component, one port of the third oil circuit conversion component is communicated with the outlet end of the cleaning box, the other two ports of the third oil circuit conversion component are respectively communicated with the outlet end of the corresponding filter and a downstream pipeline of the filter, and the plurality of the electromagnetic valves are respectively electrically connected with the controller; the filter screen is arranged in the cleaning box to divide the cleaning box into a clean cavity and a filter cavity, and the oil pump is arranged in the clean cavity; when the filter is cleaned, the controller controls the electromagnetic valve III at the corresponding position in the oil circuit conversion component II and the oil circuit conversion component III to be closed, and cuts off the passage between the filter and the oil supply pipeline so as to form a closed loop with the filter and the cleaning box; when the cleaning device is used for cleaning, the oil pump conveys clean oil in the clean cavity to the filter, the filter is backwashed, the clean oil is used for forming turbid oil after being flushed with impurities in the filter, the turbid oil is wrapped with the impurities and enters the filter cavity, the turbid oil is filtered by the filter screen and becomes clean oil and enters the clean cavity, the filter is cleaned by cyclic flushing, after the cleaning is finished, the controller controls the solenoid valve III in the corresponding position in the oil way conversion part II and the oil way conversion part III to be opened, the passage between the filter and the oil supply pipeline is recovered, and the oil supply pipeline between the filter and the cleaning box is cut off.
2. The cleaning device for lubricating oil system of gas turbine according to claim 1, wherein the opposite ends of the cleaning tank are respectively provided with an inlet and an outlet, the inlet is provided at a position close to the top of the inner wall of the cleaning tank, an auxiliary filter tube is formed inwards, and an openable sealing door is provided at the top, corresponding to the auxiliary filter tube;
The filter screen is of a net bag structure, the opening position of the filter screen is sleeved outside the auxiliary filter tube and is detachably connected with the auxiliary filter tube, the space in the filter net bag in the cleaning box is a filter cavity, and the rest spaces are clean cavities.
3. The cleaning device for a lubricating oil system of a gas turbine according to claim 2, further comprising a second filter assembly, wherein the second filter assembly has the same structure as the first filter assembly;
The first filter component is arranged on the oil supply pipeline, the setting node is positioned at the upstream position of the gas turbine, the second filter component is arranged on the oil supply pipeline, and the setting node is positioned at the downstream position of the gas turbine.
4. A gas turbine lubrication oil system cleaning apparatus according to claim 3 wherein said monitoring assembly comprises: the first monitoring component and the second monitoring component are used for monitoring the pollution degree of solid particles in lubricating oil in the lubricating oil system;
the first monitoring component is arranged on the oil supply pipeline, and a setting node is positioned at an upstream position of the first electromagnetic valve;
The second monitoring component is arranged on the oil supply pipeline, and the setting node is positioned at the upstream position of the second filtering component.
5. The gas turbine lubrication oil system cleaning apparatus of claim 4, further comprising a third monitoring component and a fourth monitoring component; the third monitoring component and the fourth monitoring component are respectively provided with a plurality of monitoring components and are respectively and electrically connected with the controller and used for monitoring the flow rates of the lubricating oil and the cleaning oil;
the monitoring components III are respectively arranged at the outlet end of the filter;
and the monitoring parts are respectively arranged at the pipe orifice positions of the auxiliary filter pipes.
6. The cleaning device for the lubricating oil system of the gas turbine according to claim 5, wherein the controller is provided with an analysis module and a communication module, and the analysis module is internally preset with a particle pollutant concentration threshold value, a lubricating oil flow rate threshold value and a cleaning oil flow rate threshold value; the communication module is used for sending the real-time operation condition to the control terminal, so that the monitoring by staff is facilitated;
When the particle pollutant concentration data collected by the first monitoring component and the second monitoring component exceeds the particle pollutant concentration threshold value, the controller controls the first electromagnetic valve, the second electromagnetic valve and the first oil circuit conversion component to be linked, a filtering passage is opened for filtering the lubricating oil, and when the collected particle pollutant concentration data is lower than the particle pollutant concentration threshold value, the controller controls the first electromagnetic valve, the second electromagnetic valve and the first oil circuit conversion component to be linked, the filtering passage is closed, and the lubricating oil is supplied along a crude oil path;
When the lubricating oil flow rate data acquired by the monitoring component III is lower than the lubricating oil flow rate threshold value in the opening process of the filtering passage, the controller controls the oil circuit conversion component to convert a filtering oil circuit and controls the electromagnetic valve III and the oil pump to act so as to back flush the filter at the position;
in the back flushing process, when the flow speed data of the clean oil collected by the monitoring component IV is lower than the threshold value of the flow speed of the clean oil, the communication module sends early warning information to the control terminal.
7. The cleaning device for a lubricating oil system of a gas turbine according to claim 6, further comprising an alarm electrically connected to the controller, wherein the alarm performs an audible and visual alarm if the warning problem is not resolved within a certain time after the warning information is sent.
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| CN202210928981.0A CN115264358B (en) | 2022-08-03 | 2022-08-03 | Cleaning device for lubricating oil system of gas turbine |
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| CN202210928981.0A CN115264358B (en) | 2022-08-03 | 2022-08-03 | Cleaning device for lubricating oil system of gas turbine |
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