CN114923104B - Control method of lubrication circulation system of gear acceleration type centrifugal air compressor - Google Patents
Control method of lubrication circulation system of gear acceleration type centrifugal air compressor Download PDFInfo
- Publication number
- CN114923104B CN114923104B CN202210674504.6A CN202210674504A CN114923104B CN 114923104 B CN114923104 B CN 114923104B CN 202210674504 A CN202210674504 A CN 202210674504A CN 114923104 B CN114923104 B CN 114923104B
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- Prior art keywords
- oil
- cooling
- water
- pipeline
- pressure drop
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- 238000005461 lubrication Methods 0.000 title claims abstract description 34
- 230000001133 acceleration Effects 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 138
- 238000001816 cooling Methods 0.000 claims abstract description 106
- 239000010687 lubricating oil Substances 0.000 claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 230000001105 regulatory effect Effects 0.000 claims description 30
- 239000000498 cooling water Substances 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- F16N7/385—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
- F16N23/00—Special adaptations of check valves
-
- 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
- F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
-
- 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
- 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
- F16N2039/007—Using strainers
Abstract
The control method of the gear acceleration type centrifugal air compressor lubrication circulation system comprises an oil pump and a low-level oil collecting tank, wherein the oil pump pumps lubricating oil from the low-level oil collecting tank, the lubricating oil is sent to an oil cooling system for cooling, filtered by a filtering system and then sent to each lubrication point for lubrication, and return oil is collected to the low-level oil collecting tank; the oil cooling system comprises a first cooling pipeline and a second cooling pipeline which are connected in parallel; the filter system includes a first filter line and a second filter line connected in parallel. The two oil ways are adopted, one oil way is disconnected when abnormal occurs, the other oil way can continue to work, severe working conditions such as oil pressure sudden drop, oil temperature sudden rise and the like caused by abnormal blockage of a single oil way system are effectively avoided, and stable and reliable oil supply of meshing points of high-speed rotating moving parts and bearing lubrication points is ensured; when two oil are abnormal, the use and replacement cycle of the vulnerable parts of the oil way can be prolonged to the greatest extent through combined operation.
Description
Technical Field
The invention relates to a control method of a lubrication circulation system of a gear speed-increasing centrifugal air compressor.
Background
As a speed type compressor, the gear speed-increasing centrifugal air compressor unit has the advantages of stable operation, wide operation range, high efficiency and the like, and is widely applied to various industries such as pressurization and gas transmission. The running speed of the core working part reaches tens of thousands of revolutions, and reliable and stable lubrication is required to ensure safe and stable running.
At present, for the lubricating oil pressurized by the oil pump, a single oil way system through a water-cooling oil cooler and a filter is commonly adopted in the industry, and then the lubricating mode of entering each lubricating point of a unit is adopted. When the cooler or the filter needs to be maintained and replaced, the whole unit needs to be shut down, and the productivity loss caused by shutdown is brought.
Disclosure of Invention
In order to overcome the defects of the lubrication circulating system of the gear-accelerating centrifugal air compressor in the prior art, the invention provides a control method of the lubrication circulating system of the gear-accelerating centrifugal air compressor, which can realize maintenance and replacement of a cooler and a filter under a non-stop state of a unit.
The technical scheme for solving the technical problems is as follows: the control method of the gear acceleration type centrifugal air compressor lubrication circulation system comprises an oil pump and a low-level oil collecting tank, wherein the oil pump pumps lubricating oil from the low-level oil collecting tank, the lubricating oil is sent to an oil cooling system for cooling, filtered by a filtering system and then sent to each lubrication point for lubrication, and return oil is collected to the low-level oil collecting tank;
the oil cooling system comprises a first cooling pipeline and a second cooling pipeline which are connected in parallel, wherein a first regulating valve, a first water-cooling oil cooler and a first one-way valve are arranged on the first cooling pipeline from front to back in sequence; the second cooling pipeline is provided with a second regulating valve, a second water-cooling oil cooler and a second one-way valve from front to back in sequence;
the filtering system comprises a first filtering pipeline and a second filtering pipeline which are connected in parallel, wherein a third regulating valve, a first filter and a third one-way valve are arranged on the first filtering pipeline from front to back freely and sequentially; a fourth regulating valve, a second filter and a fourth one-way valve are arranged on the second filter pipeline from front to back in sequence;
when the gear acceleration type centrifugal air compressor lubrication circulation system works, the gear acceleration type centrifugal air compressor lubrication circulation system comprises the following components:
monitoring the cooling water pressure drop of the first water-cooling oil cooler and the second water-cooling oil cooler, and closing the first regulating valve when the cooling water pressure drop of the first water-cooling oil cooler exceeds a set value, and cooling lubricating oil by the second cooling pipeline; when the pressure drop of cooling water of the second water-cooling oil cooler exceeds a set value, the second regulating valve is closed, and the first cooling pipeline cools the lubricating oil; when the pressure drop of the cooling water of the first water-cooling oil cooler exceeds a set value and the pressure drop of the cooling water of the second water-cooling oil cooler exceeds the set value, the first cooling pipeline and the second cooling pipeline simultaneously work to cool lubricating oil;
monitoring the oil pressure drop of the first water-cooling oil cooler and the second water-cooling oil cooler, and closing the first regulating valve when the oil pressure drop of the first water-cooling oil cooler exceeds a set value, and cooling lubricating oil by the second cooling pipeline; when the oil pressure drop of the second water-cooling oil cooler exceeds a set value, the second regulating valve is closed, and the first cooling pipeline cools the lubricating oil; when the oil pressure drop of the first water-cooling oil cooler exceeds a set value and the oil pressure drop of the second water-cooling oil cooler exceeds a set value, the first cooling pipeline and the second cooling pipeline simultaneously work to cool lubricating oil;
monitoring the oil pressure drop of the first filter and the second filter, closing the third regulating valve when the oil pressure drop of the first filter exceeds a set value, and filtering lubricating oil by the second filtering pipeline; when the oil pressure drop of the second filter exceeds a set value, the fourth regulating valve is closed, and the first filtering pipeline filters the lubricating oil; when the oil pressure drop of the first filter exceeds a set value and the oil pressure drop of the second filter exceeds the set value, the first filter pipeline and the second filter pipeline simultaneously work to filter lubricating oil.
Further, a temperature control valve is arranged between the oil cooling system and the filtering system of the lubricating circulation system, and the temperature of the oil cooled by the oil cooling system is monitored through the temperature control valve.
Further, a flow meter is provided behind the filtration system of the lubrication circulation system, and the flow rate of the lubricating oil is monitored by the flow meter.
The invention has the beneficial effects that: the two oil ways are adopted, one oil way is disconnected when abnormal occurs, the other oil way can continue to work, the problems of abrasion of high-speed running parts, loss of machine halt productivity and the like caused by severe working conditions such as oil pressure sudden drop, oil temperature sudden rise and the like caused by abnormal blockage of a single oil way system are effectively avoided, and stable and reliable oil supply of meshing points of high-speed rotating moving parts and lubrication points of bearing is ensured; when two oil are abnormal, the combination operation increases the flow area, reduces the resistance pressure drop along the way, and can furthest prolong the use and replacement period of vulnerable parts of the oil way.
Drawings
Fig. 1 is a schematic diagram of the lubrication circulation system of the gear-increasing centrifugal air compressor of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1, the control method of a lubrication circulation system of a gear acceleration type centrifugal air compressor comprises an oil pump 1 and a low-level oil collecting tank 2, wherein the oil pump 1 pumps lubricating oil from the low-level oil collecting tank 2, the lubricating oil is sent to an oil cooling system for cooling, filtered by a filtering system and then sent to each lubrication point for lubrication, and return oil is collected in the low-level oil collecting tank.
The oil cooling system comprises a first cooling pipeline and a second cooling pipeline which are connected in parallel, wherein a first regulating valve 3, a first water-cooling oil cooler 4 and a first one-way valve 5 are arranged on the first cooling pipeline from front to back in sequence; the second cooling pipeline is provided with a second regulating valve 6, a second water-cooling oil cooler 7 and a second one-way valve 8 from front to back. The water-cooled oil cooler is a common device for cooling oil by using cold water in the prior art, and the structure thereof is not described herein.
The filtering system comprises a first filtering pipeline and a second filtering pipeline which are connected in parallel, wherein a third regulating valve 9, a first filter 10 and a third one-way valve 11 are arranged on the first filtering pipeline from front to back freely and sequentially; the second filter pipeline is provided with a fourth regulating valve 12, a second filter 13 and a fourth one-way valve 14 from front to back. Filters are common devices for filtering oil in the prior art, and their structure is not described here.
When the gear acceleration type centrifugal air compressor lubrication circulation system works, the gear acceleration type centrifugal air compressor lubrication circulation system comprises the following components:
monitoring the cooling water pressure drops of the first water-cooling oil cooler 4 and the second water-cooling oil cooler 7, closing the first regulating valve 3 when the cooling water pressure drop dP2.1 of the first water-cooling oil cooler 4 exceeds a set value, and cooling lubricating oil by a second cooling pipeline; when the cooling water pressure drop dP2.2 of the second water-cooling oil cooler 7 exceeds a set value, the second regulating valve 6 is closed, and the first cooling pipeline cools the lubricating oil; when the cooling water pressure drop dP2.1 of the first water-cooling oil cooler 4 exceeds a set value and the cooling water pressure drop dP2.2 of the second water-cooling oil cooler 7 exceeds the set value, the first cooling pipeline and the second cooling pipeline simultaneously work to cool lubricating oil;
monitoring the oil pressure drop of the first water-cooling oil cooler 4 and the second water-cooling oil cooler 7, closing the first regulating valve 3 when the oil pressure drop dP1.1 of the first water-cooling oil cooler 4 exceeds a set value, and cooling lubricating oil by a second cooling pipeline; when the oil pressure drop dP1.2 of the second water-cooling oil cooler 7 exceeds a set value, the second regulating valve 6 is closed, and the first cooling pipeline cools the lubricating oil; when the oil pressure drop dP1.1 of the first water-cooling oil cooler 4 exceeds a set value and the oil pressure drop dP1.2 of the second water-cooling oil cooler 7 exceeds a set value, the first cooling pipeline and the second cooling pipeline simultaneously work to cool lubricating oil;
monitoring the oil pressure drop of the first filter 10 and the second filter 13, closing the third regulating valve 9 when the oil pressure drop dP3.1 of the first filter 10 exceeds a set value, and filtering lubricating oil by the second filtering pipeline; when the oil pressure drop dP3.2 of the second filter 13 exceeds a set value, the fourth regulating valve 12 is closed, and the lubricating oil is filtered by the first filtering pipeline; when the oil pressure drop dp3.1 of the first filter 10 exceeds the set value and the oil pressure drop dp3.2 of the second filter 13 exceeds the set value, the first filter line and the second filter line simultaneously operate to filter the lubricating oil.
Of course, a thermo valve 15 may be provided between the oil cooling system and the filtering system of the lubrication circulation system, and the temperature of the oil cooled by the oil cooling system may be monitored by the thermo valve 15. A flow meter 16 may also be provided after the filtration system of the lubrication circulation system, with the flow rate of the lubrication oil being monitored by the flow meter 16.
Claims (3)
1. The control method of the gear acceleration type centrifugal air compressor lubrication circulation system comprises an oil pump and a low-level oil collecting tank, wherein the oil pump pumps lubricating oil from the low-level oil collecting tank, the lubricating oil is sent to an oil cooling system for cooling, filtered by a filtering system and then sent to each lubrication point for lubrication, and return oil is collected to the low-level oil collecting tank;
the method is characterized in that: the oil cooling system comprises a first cooling pipeline and a second cooling pipeline which are connected in parallel, wherein a first regulating valve, a first water-cooling oil cooler and a first one-way valve are arranged on the first cooling pipeline from front to back in sequence; the second cooling pipeline is provided with a second regulating valve, a second water-cooling oil cooler and a second one-way valve from front to back in sequence;
the filtering system comprises a first filtering pipeline and a second filtering pipeline which are connected in parallel, wherein a third regulating valve, a first filter and a third one-way valve are arranged on the first filtering pipeline from front to back freely and sequentially; a fourth regulating valve, a second filter and a fourth one-way valve are arranged on the second filter pipeline from front to back in sequence;
when the gear acceleration type centrifugal air compressor lubrication circulation system works, the gear acceleration type centrifugal air compressor lubrication circulation system comprises the following components:
monitoring the cooling water pressure drop of the first water-cooling oil cooler and the second water-cooling oil cooler, and closing the first regulating valve when the cooling water pressure drop of the first water-cooling oil cooler exceeds a set value, and cooling lubricating oil by the second cooling pipeline; when the pressure drop of cooling water of the second water-cooling oil cooler exceeds a set value, the second regulating valve is closed, and the first cooling pipeline cools the lubricating oil; when the pressure drop of the cooling water of the first water-cooling oil cooler exceeds a set value and the pressure drop of the cooling water of the second water-cooling oil cooler exceeds the set value, the first cooling pipeline and the second cooling pipeline simultaneously work to cool lubricating oil;
monitoring the oil pressure drop of the first water-cooling oil cooler and the second water-cooling oil cooler, and closing the first regulating valve when the oil pressure drop of the first water-cooling oil cooler exceeds a set value, and cooling lubricating oil by the second cooling pipeline; when the oil pressure drop of the second water-cooling oil cooler exceeds a set value, the second regulating valve is closed, and the first cooling pipeline cools the lubricating oil; when the oil pressure drop of the first water-cooling oil cooler exceeds a set value and the oil pressure drop of the second water-cooling oil cooler exceeds a set value, the first cooling pipeline and the second cooling pipeline simultaneously work to cool lubricating oil;
monitoring the oil pressure drop of the first filter and the second filter, closing the third regulating valve when the oil pressure drop of the first filter exceeds a set value, and filtering lubricating oil by the second filtering pipeline; when the oil pressure drop of the second filter exceeds a set value, the fourth regulating valve is closed, and the first filtering pipeline filters the lubricating oil; when the oil pressure drop of the first filter exceeds a set value and the oil pressure drop of the second filter exceeds the set value, the first filter pipeline and the second filter pipeline simultaneously work to filter lubricating oil.
2. The control method of the lubrication circulation system of the gear-increasing centrifugal air compressor according to claim 1, wherein: and a temperature control valve is arranged between the oil cooling system and the filtering system of the lubricating circulation system, and the temperature of the oil cooled by the oil cooling system is monitored through the temperature control valve.
3. The control method of the lubrication circulation system of the gear-increasing centrifugal air compressor according to claim 1 or 2, characterized by: a flowmeter is arranged behind the filtering system of the lubrication circulating system, and the flow of the lubricating oil is monitored through the flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210674504.6A CN114923104B (en) | 2022-06-15 | 2022-06-15 | Control method of lubrication circulation system of gear acceleration type centrifugal air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210674504.6A CN114923104B (en) | 2022-06-15 | 2022-06-15 | Control method of lubrication circulation system of gear acceleration type centrifugal air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114923104A CN114923104A (en) | 2022-08-19 |
| CN114923104B true CN114923104B (en) | 2024-04-09 |
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| CN202210674504.6A Active CN114923104B (en) | 2022-06-15 | 2022-06-15 | Control method of lubrication circulation system of gear acceleration type centrifugal air compressor |
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| CN114923104A (en) | 2022-08-19 |
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