CN114923104A - Control method for lubrication circulation system of gear speed-increasing type centrifugal air compressor - Google Patents
Control method for lubrication circulation system of gear speed-increasing type centrifugal air compressor Download PDFInfo
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- CN114923104A CN114923104A CN202210674504.6A CN202210674504A CN114923104A CN 114923104 A CN114923104 A CN 114923104A CN 202210674504 A CN202210674504 A CN 202210674504A CN 114923104 A CN114923104 A CN 114923104A
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- oil
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005461 lubrication Methods 0.000 title claims description 10
- 239000003921 oil Substances 0.000 claims abstract description 137
- 238000001816 cooling Methods 0.000 claims abstract description 98
- 238000001914 filtration Methods 0.000 claims abstract description 44
- 239000010687 lubricating oil Substances 0.000 claims abstract description 38
- 230000001050 lubricating effect Effects 0.000 claims abstract description 26
- 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
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
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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
- F16N23/00—Special adaptations of check valves
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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
- F16N39/02—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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
A control method of a lubricating and circulating system of a gear speed-increasing type centrifugal air compressor comprises the steps that the lubricating and circulating system comprises an oil pump and a low-level oil collecting tank, lubricating oil is extracted by the oil pump from the low-level oil collecting tank, sent to an oil cooling system for cooling, filtered by a filtering system, sent to each lubricating point for lubricating, and 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 filtering system comprises a first filtering pipeline and a second filtering pipeline which are connected in parallel. Two oil paths are adopted, one oil path is disconnected when abnormal occurs to carry out maintenance, and the other oil path can continue to work, so that the severe working conditions of sudden drop of oil pressure, sudden rise of oil temperature and the like caused by abnormal blockage of a single oil path system are effectively avoided, and stable and reliable oil supply of a meshing point of a high-speed rotating motion part and a lubricating point of a bearing is ensured; when the two kinds of oil are abnormal, the use and replacement period of the oil-way wearing part can be prolonged to the maximum extent through combined operation.
Description
Technical Field
The invention relates to a control method of a lubrication circulating system of a gear speed-increasing type centrifugal air compressor.
Background
As a speed type compressor, the gear speed-increasing type centrifugal air compressor unit has the advantages of stable work, wide operation range, high efficiency and the like, and is widely applied to various industries such as supercharging and gas transmission. Wherein the operating speed of the core working component is up to tens of thousands of revolutions, and reliable and stable lubrication is needed to ensure safe and stable operation.
At present, for lubricating oil pressurized by an oil pump, a lubricating mode of entering each lubricating point of a unit after passing through a single oil way system of a water-cooling oil cooler and a filter is commonly adopted in the industry. In the lubricating mode, when the cooler or the filter needs to be maintained and replaced, the whole unit needs to be stopped, so that the capacity loss caused by the stop is caused.
Disclosure of Invention
In order to overcome the defects of the lubricating and circulating system of the gear speed-increasing type centrifugal air compressor in the prior art, the invention provides a control method of the lubricating and circulating system of the gear speed-increasing type centrifugal air compressor, which can realize the maintenance and replacement of a cooler and a filter of a unit under the state of no shutdown.
The technical scheme for solving the technical problem is as follows: the lubricating and circulating system of the gear speed-increasing type centrifugal air compressor comprises an oil pump and a low-level oil collecting tank, wherein the oil pump extracts lubricating oil from the low-level oil collecting tank, the lubricating oil is sent to an oil cooling system for cooling, is filtered by a filtering system and then is sent to each lubricating point for lubricating, 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 freely and sequentially arranged on the first cooling pipeline from the front; a second regulating valve, a second water-cooling oil cooler and a second one-way valve are freely and sequentially arranged on the second cooling pipeline from the front;
the filtering system comprises a first filtering pipeline and a second filtering pipeline which are connected in parallel, and a third regulating valve, a first filter and a third one-way valve are freely and sequentially arranged on the first filtering pipeline from front to back; a fourth regulating valve, a second filter and a fourth one-way valve are freely arranged on the second filtering pipeline from the front;
when the lubricating and circulating system of the gear speed-increasing type centrifugal air compressor works:
monitoring the cooling water pressure drop of the first water-cooling oil cooler and the second water-cooling oil cooler, 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 cooling water pressure drop of the second water-cooling oil cooler exceeds a set value, the second regulating valve is closed, and the lubricating oil is cooled by the first cooling pipeline; when the cooling water pressure drop of the first water-cooling oil cooler exceeds a set value and the cooling water 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 water-cooled oil cooler and the second water-cooled oil cooler, closing the first regulating valve when the oil pressure drop of the first water-cooled 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 lubricating oil is filtered by the first filtering pipeline; when the oil pressure drop of the first filter exceeds a set value and the oil pressure drop of the second filter exceeds a set value, the first filtering pipeline and the second filtering pipeline simultaneously work to filter lubricating oil.
Furthermore, a temperature control valve is arranged between an oil cooling system and a 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.
Furthermore, a flow meter is arranged behind a filtering system of the lubricating circulation system, and the flow of the lubricating oil is monitored through the flow meter.
The invention has the beneficial effects that: two oil paths are adopted, one oil path is disconnected when abnormal occurs to carry out maintenance, and the other oil path can continue to work, so that the problems of abrasion of high-speed running parts, shutdown capacity loss and the like caused by severe working conditions such as sudden drop of oil pressure, sudden rise of oil temperature and the like caused by abnormal blockage of a single oil path system are effectively avoided, and stable and reliable oil supply of the meshing point of the high-speed rotating motion parts and the lubricating point of the bearing is ensured; when both the oil and the oil are abnormal, the combined operation is adopted, the flow area is increased by combination, the resistance pressure drop along the way is reduced, and the use and replacement period of the easily damaged part of the oil way can be prolonged to the maximum extent.
Drawings
FIG. 1 is a schematic structural diagram of a lubrication cycle system of a gear speed increasing type centrifugal air compressor of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a method for controlling a lubrication circulation system of a gear speed-increasing 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 lubricating point for lubrication, and the 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, and a first regulating valve 3, a first water-cooled oil cooler 4 and a first one-way valve 5 are freely and sequentially arranged on the first cooling pipeline from the front; and a second regulating valve 6, a second water-cooling oil cooler 7 and a second one-way valve 8 are freely arranged on the second cooling pipeline from the front in sequence. The water-cooled oil cooler is a common device for cooling oil by using cold water in the prior art, and the structure of the water-cooled oil cooler is not described herein again.
The filtering system comprises a first filtering pipeline and a second filtering pipeline which are connected in parallel, and a third regulating valve 9, a first filter 10 and a third one-way valve 11 are freely arranged on the first filtering pipeline from the front; and a fourth regulating valve 12, a second filter 13 and a fourth one-way valve 14 are freely arranged in the front of the second filtering pipeline in sequence. The filter is a common device for filtering oil in the prior art, and the structure of the filter is not described herein.
When the lubricating and circulating system of the gear speed-increasing type centrifugal air compressor works:
monitoring the cooling water pressure drop of the first water-cooling oil cooler 4 and the second water-cooling oil cooler 7, and when the cooling water pressure drop dP2.1 of the first water-cooling oil cooler 4 exceeds a set value, closing the first regulating valve 3 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 lubricating oil is cooled by the first cooling pipeline; 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 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 water-cooled oil cooler 4 and the second water-cooled oil cooler 7, and when the oil pressure drop dP1.1 of the first water-cooled oil cooler 4 exceeds a set value, closing the first regulating valve 3 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 lubricating oil is cooled by the first cooling pipeline; 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, and when the oil pressure drop dP3.1 of the first filter 10 exceeds a set value, closing the third regulating valve 9, and filtering lubricating oil by a 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 a set value and the oil pressure drop dp3.2 of the second filter 13 exceeds a set value, the first filtering line and the second filtering line simultaneously operate to filter the lubricating oil.
Of course, a thermostat valve 15 may be provided 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 may be monitored by the thermostat valve 15. A flow meter 16 may be provided behind the filtration system of the lubrication circulation system, and the flow rate of the lubricating oil may be monitored by the flow meter 16.
Claims (3)
1. The lubricating and circulating system of the gear speed-increasing type centrifugal air compressor comprises an oil pump and a low-level oil collecting tank, wherein the oil pump extracts lubricating oil from the low-level oil collecting tank, the lubricating oil is sent to an oil cooling system for cooling, is filtered by a filtering system and then is sent to each lubricating point for lubricating, 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 freely and sequentially arranged on the first cooling pipeline from the front; a second regulating valve, a second water-cooling oil cooler and a second one-way valve are freely and sequentially arranged on the second cooling pipeline from the front;
the filtering system comprises a first filtering pipeline and a second filtering pipeline which are connected in parallel, and a third regulating valve, a first filter and a third one-way valve are freely and sequentially arranged on the first filtering pipeline from front to back; a fourth regulating valve, a second filter and a fourth one-way valve are freely arranged on the second filtering pipeline from the front;
when the lubricating and circulating system of the gear speed-increasing type centrifugal air compressor works:
monitoring the cooling water pressure drop of the first water-cooling oil cooler and the second water-cooling oil cooler, closing the first regulating valve when the cooling water pressure drop of the first water-cooling oil cooler exceeds a set value, and cooling the lubricating oil by the second cooling pipeline; when the cooling water pressure drop of the second water-cooling oil cooler exceeds a set value, the second regulating valve is closed, and the lubricating oil is cooled by the first cooling pipeline; when the cooling water pressure drop of the first water-cooling oil cooler exceeds a set value and the cooling water 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 water-cooling oil cooler and the second water-cooling oil cooler, 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-cooled 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 lubricating oil is filtered by the first filtering pipeline; when the oil pressure drop of the first filter exceeds a set value and the oil pressure drop of the second filter exceeds a set value, the first filtering pipeline and the second filtering pipeline simultaneously work to filter lubricating oil.
2. The method of controlling a lubrication cycle system of a gear-enhanced centrifugal air compressor of claim 1, wherein: a temperature control valve is arranged between an oil cooling system and a filtering system of the lubricating circulation system, and the temperature of oil cooled by the oil cooling system is monitored through the temperature control valve.
3. The method of controlling a gear-enhanced centrifugal air compressor lubrication cycle system of claim 1 or 2, wherein: a flow meter is arranged behind a filtering system of the lubricating circulation system, and the flow of the lubricating oil is monitored through the flow meter.
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| CN202210674504.6A 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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| CN202210674504.6A 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 true CN114923104A (en) | 2022-08-19 |
| CN114923104B CN114923104B (en) | 2024-04-09 |
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| CN114923104B (en) | 2024-04-09 |
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