CN112807842A - High-level oil tank oil filtering system based on constant-power oil filtering machine and working method - Google Patents
High-level oil tank oil filtering system based on constant-power oil filtering machine and working method Download PDFInfo
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- CN112807842A CN112807842A CN202110186928.3A CN202110186928A CN112807842A CN 112807842 A CN112807842 A CN 112807842A CN 202110186928 A CN202110186928 A CN 202110186928A CN 112807842 A CN112807842 A CN 112807842A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D36/02—Combinations of filters of different kinds
Abstract
The invention discloses a high-level oil tank oil filtering system based on a constant-power oil filter and a working method thereof, wherein the system comprises a high-level oil tank, a boosting oil pump, a constant-power oil filter, an oil overflow pipeline, an oil supplementing pipeline, an oil inlet pipeline, a fine filtering filter, a coarse filtering filter, a filtering oil pump, a lubricating oil barrel, a sampling pipeline, a plurality of shutoff valves and a plurality of auxiliary pipelines The dust washes and the external filtration of filtration system, can reduce the oil strain process cycle number, improves oil strain efficiency.
Description
Technical Field
The invention relates to the technical field of oil filtering of impeller machinery lubricating oil systems, in particular to a high-level oil tank oil filtering system based on a conventional constant-power oil filter and a working method.
Background
Among the auxiliary systems of the turbomachinery, the lubricating oil system is one of the most important auxiliary systems, and the quality of the lubricating oil is directly related to the operational safety and the service life of the turbomachinery equipment. The prior art can realize that the oil filtering is carried out on the lubricating oil system except the high-level oil tank pipeline in the impeller mechanical system, so that the oil quality of the lubricating oil system except the high-level oil tank and the pipeline of the impeller mechanical system meets the use requirement, but the oil filtering can not be carried out on the high-level oil tank and the pipeline of the impeller mechanical system, thereby increasing the risk that the unqualified oil quality and impurities in the high-level oil tank flow into the bearing of the impeller mechanical system to cause the damage of the bearing or the damage of the whole machine when the power failure accident of the impeller mechanical system occurs.
Disclosure of Invention
The invention aims to solve the problems and provide a high-level oil tank oil filtering system based on a conventional constant-power oil filter and a working method.
The invention realizes the purpose through the following technical scheme:
a high-level oil tank oil filtering system based on a constant-power oil filter comprises a high-level oil tank 1, a boosting oil pump 2, a constant-power oil filter 3, an oil overflow pipeline 4, an oil supplementing pipeline 5, an oil inlet pipeline 6, a fine filtering filter 7, a rough filtering filter 8, a filtering oil pump 9, a lubricating oil tank 10, a sampling pipeline 11, a plurality of shut-off valves 12 and a plurality of auxiliary pipelines, wherein an oil inlet interface, an oil supplementing port interface and an oil overflow port interface which are arranged on the high-level oil tank 1 are respectively connected with one end of the oil inlet pipeline 6, one end of the oil supplementing pipeline 5 and one end of the oil overflow pipeline 4, the other end of the oil inlet pipeline 6 is connected with an oil inlet interface which is arranged on the rough filtering filter 8 of the constant-power oil filter 3, the other end of the oil supplementing pipeline 5 is respectively connected with one end of the sampling pipeline 11 and the oil supplementing port interface which is arranged on the rough filtering filter 8, the other end of the oil, the inlet of the boosting oil pump 2 is respectively connected with the outlet of the fine filter 7 and the bottom connecting port of the lubricating oil barrel 10 through an auxiliary pipeline, the inlet of the fine filter 7 is connected with the outlet of the filter oil pump 9 through an auxiliary pipeline, the inlet of the filter oil pump 9 is connected with the outlet of the coarse filter 8 through an auxiliary pipeline, the horizontal pipelines of the oil supplementing pipeline 5, the oil inlet pipeline 6 and the oil overflow pipeline 4 are respectively provided with a shut-off valve 12, the auxiliary pipelines of the constant power oil filter 3, the oil supplementing pipeline 5 and the oil inlet pipeline 6 are respectively provided with a shut-off valve 12, the auxiliary pipelines between the fine filter 7 and the filter oil pump 9 and the auxiliary pipelines between the coarse filter 8 and the filter oil pump 9 are respectively provided with a shut-off valve 12, the auxiliary pipelines of the outlet branch of the fine filter 7 connected with the inlet of the boosting oil pump 2 and the auxiliary pipelines of the lubricating oil barrel 10 are respectively provided with a shut-off valve 12, a shut-off valve 12 is arranged in the middle of the sampling pipeline 11, and the auxiliary pipeline is detachable.
The oil overflow pipeline 4, the oil supplement pipeline 5 and the oil inlet pipeline 6 of the high-level oil tank oil filtering system based on the constant-power oil filtering machine are all provided with a vertical pipeline and a horizontal pipeline.
The motor power of the filtering oil pump 9 of the high-level oil tank oil filtering system based on the constant-power oil filtering machine is constant, and when the pump oil flow of the filtering oil pump 9 is the same as that of the boosting oil pump 2, the oil supply lift of the boosting oil pump 2 is greater than the sum of the lengths of each section of the vertical trend pipelines of the oil overflow pipeline 4.
The distance between a shut-off valve 12 arranged on an oil overflow pipeline 4 of the high-level oil tank oil filtering system based on the constant-power oil filtering machine and a boosting oil pump 2 is less than 1 meter, and the distance between a shut-off valve 12 arranged on an oil supplementing pipeline 5 and an oil inlet pipeline 6 and a rough filtering filter 8 is less than 1 meter.
The working method of the high-level oil tank oil filtering system based on the constant-power oil filter comprises three stages, namely an oil filling stage, an oil filtering stage and a sampling stage, wherein the oil filling stage is to open a shut-off valve 12 on a branch auxiliary pipeline of a lubricating oil barrel 10 and a shut-off valve 12 on an oil spill pipeline 4, close the rest shut-off valves, open a booster oil pump 2, pump lubricating oil in the lubricating oil barrel 10 into the high-level oil tank 1 through the branch auxiliary pipeline of the lubricating oil barrel 10 and the oil spill pipeline 4, and when the liquid level height in the high-level oil tank 1 reaches 80% of the rated oil storage height, the oil filling stage is completed and all the shut-off valves 12 are closed; after the oil filtering stage is completed, opening all shut-off valves 12 except the branch auxiliary pipeline of the lubricating oil barrel 10, opening the booster oil pump 2 and the filtering oil pump 9, so that the lubricating oil enters the rough filtering filter 8 from the high-level oil tank 1 along the oil supplementing pipeline 5 and the oil inlet pipeline 6 respectively, and then returns to the high-level oil tank 1 through the filtering oil pump 9, the fine filtering filter 7, the booster oil pump 2 and the oil overflow pipeline 4 in sequence, thereby realizing the oil filtering circulation of the lubricating oil in the high-level oil tank and the pipeline system thereof; after the oil filtering stage is finished, closing all shut-off valves 12, entering a sampling stage, opening the shut-off valves 12 on the oil supplementing pipeline 5, slowly opening the shut-off valves 12 in the middle of the sampling pipeline 11, discharging 5-10 liters of lubricating oil from the outlet of the sampling pipeline 11 to rinse the sampling pipeline 11, then taking a small amount of lubricating oil from the flowing lubricating oil to rinse a cleaned sampling bottle, pouring the lubricating oil in the sampling bottle, then taking 1.5 times of the volume of the lubricating oil required by inspection from the flowing lubricating oil by using the rinsed sampling bottle, covering the bottle cover of the sampling bottle, and closing the shut-off valves 12 on the oil supplementing pipeline 5 to finish sampling.
The invention has the beneficial effects that:
at present, an oil filtering scheme for a high-level oil tank and a pipeline thereof in an impeller mechanical system is not available. The invention provides a high-level oil tank oil filtering system based on an oil filter and a working method with low manufacturing cost and high operability, on the basis of using a conventional constant-power oil filter and not changing a high-level oil tank and a pipeline system thereof, the pressure boosting oil pump and the common oil filter are connected with the oil inlet pipeline, the oil supplementing pipeline and the oil overflow pipeline of the high-level oil tank through the detachable auxiliary pipelines, so that the lubricating oil reversely flows in the oil inlet pipeline and the oil overflow pipeline at high speed, the oil flows at high speed in the positive direction of the oil supplementing pipeline, particularly the flow direction of the oil supplementing process of the high-level oil tank under the accident working condition is consistent, the high-speed flowing of the lubricating oil washes the welding slag and dust of an oil inlet pipeline, an oil supplementing pipeline and an oil overflow pipeline and filters an external filtering system, the circulation frequency of the oil filtering process can be reduced, the oil filtering efficiency is improved, and welding slag and dust in a high-level oil tank pipeline are prevented from entering a bearing system of the impeller machine. Meanwhile, a sampling port is reserved for an oil supply port pipeline of the high-level oil tank, and an experimental result obtained by sampling at the position for chemical examination and analysis is representative; the shutoff valves arranged on the horizontal pipelines of the oil supplementing pipeline, the oil inlet pipeline and the oil overflow pipeline and the distances between the shutoff valves on the oil supplementing pipeline and the oil inlet pipeline and the rough filtering filter are less than 1 meter, so that the waste of lubricating oil when the auxiliary pipeline is detached in the whole oil filtering link can be reduced.
Drawings
Fig. 1 is a schematic diagram of a high level oil tank oil filtration system of the present invention based on a conventional constant power oil filter.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1, the high-level oil tank oil filtering system based on the constant power oil filter comprises a high-level oil tank 1, a boosting oil pump 2, a constant power oil filter 3, an oil overflow pipeline 4, an oil supplement pipeline 5, an oil inlet pipeline 6, a fine filter 7, a rough filter 8, a filtering oil pump 9, a lubricating oil tank 10, a sampling pipeline 11, a plurality of shut-off valves 12 and a plurality of auxiliary pipelines, wherein an oil inlet interface, an oil supplement port interface and an oil overflow port interface arranged on the high-level oil tank 1 are respectively connected with one end of the oil inlet pipeline 6, one end of the oil supplement pipeline 5 and one end of the oil overflow pipeline 4, the other end of the oil inlet pipeline 6 is connected with an oil inlet interface arranged on the rough filter 8 of the constant power oil filter 3, the other end of the oil supplement pipeline 5 is respectively connected with one end of the sampling pipeline 11 and the oil supplement port interface arranged on the rough filter 8, the other end of the oil overflow pipeline 4 is connected with an outlet of the boosting, the inlet of the boosting oil pump 2 is respectively connected with the outlet of the fine filter 7 and the bottom connecting port of the lubricating oil barrel 10 through an auxiliary pipeline, the inlet of the fine filter 7 is connected with the outlet of the filter oil pump 9 through an auxiliary pipeline, the inlet of the filter oil pump 9 is connected with the outlet of the coarse filter 8 through an auxiliary pipeline, the horizontal pipelines of the oil supplementing pipeline 5, the oil inlet pipeline 6 and the oil overflow pipeline 4 are respectively provided with a shut-off valve 12, the auxiliary pipelines of the constant power oil filter 3, the oil supplementing pipeline 5 and the oil inlet pipeline 6 are respectively provided with a shut-off valve 12, the auxiliary pipelines between the fine filter 7 and the filter oil pump 9 and the auxiliary pipelines between the coarse filter 8 and the filter oil pump 9 are respectively provided with a shut-off valve 12, the auxiliary pipelines of the outlet branch of the fine filter 7 connected with the inlet of the boosting oil pump 2 and the auxiliary pipelines of the lubricating oil barrel 10 are respectively provided with a shut-off valve 12, a shut-off valve 12 is arranged in the middle of the sampling pipeline 11, and the auxiliary pipeline is detachable.
As a preferred embodiment of the present invention, the oil overflow pipeline 4, the oil supplement pipeline 5, and the oil inlet pipeline 6 of the high-level oil tank oil filtering system based on the constant power oil filter all have a vertical pipeline and a horizontal pipeline.
As a preferred embodiment of the present invention, the motor power of the filtering oil pump 9 of the high-level oil tank oil filtering system based on the constant-power oil filtering machine is constant, and when the pump oil flow rates of the filtering oil pump 9 and the boosting oil pump 2 are the same, the oil supply lift of the boosting oil pump 2 is greater than the sum of the lengths of each section of the vertically-running pipelines of the oil overflow pipeline 4.
In a preferred embodiment of the present invention, the distance between the shut-off valve 12 disposed on the oil spill pipeline 4 of the high-level oil tank oil filtering system based on the constant-power oil filter and the booster oil pump 2 is less than 1 meter, and the distance between the shut-off valve 12 disposed on the oil supply pipeline 5 and the oil inlet pipeline 6 and the coarse filter 8 is less than 1 meter.
The working method of the high-level oil tank oil filtering system based on the constant-power oil filter comprises three stages, namely an oil filling stage, an oil filtering stage and a sampling stage, wherein the oil filling stage comprises the steps of opening a shut-off valve 12 on a branch auxiliary pipeline of a lubricating oil barrel 10 and a shut-off valve 12 on an oil spill pipeline 4, closing the rest shut-off valves, opening a booster oil pump 2, pumping lubricating oil in the lubricating oil barrel 10 into the high-level oil tank 1 through the branch auxiliary pipeline of the lubricating oil barrel 10 and the oil spill pipeline 4, and completing the oil filling stage and closing all the shut-off valves 12 when the liquid level in the high-level oil tank 1 reaches 80% of the rated oil storage height; after the oil filtering stage is completed, opening all shut-off valves 12 except the branch auxiliary pipeline of the lubricating oil barrel 10, opening the booster oil pump 2 and the filtering oil pump 9, so that the lubricating oil enters the rough filtering filter 8 from the high-level oil tank 1 along the oil supplementing pipeline 5 and the oil inlet pipeline 6 respectively, and then returns to the high-level oil tank 1 through the filtering oil pump 9, the fine filtering filter 7, the booster oil pump 2 and the oil overflow pipeline 4 in sequence, thereby realizing the oil filtering circulation of the lubricating oil in the high-level oil tank and the pipeline system thereof; after the oil filtering stage is finished, closing all shut-off valves 12, entering a sampling stage, opening the shut-off valves 12 on the oil supplementing pipeline 5, slowly opening the shut-off valves 12 in the middle of the sampling pipeline 11, discharging 5-10 liters of lubricating oil from the outlet of the sampling pipeline 11 to rinse the sampling pipeline 11, then taking a small amount of lubricating oil from the flowing lubricating oil to rinse a cleaned sampling bottle, pouring the lubricating oil in the sampling bottle, then taking 1.5 times of the volume of the lubricating oil required by inspection from the flowing lubricating oil by using the rinsed sampling bottle, covering the bottle cover of the sampling bottle, and closing the shut-off valves 12 on the oil supplementing pipeline 5 to finish sampling.
Claims (5)
1. High-order oil tank oil filtration system based on constant power oil filter, its characterized in that: comprises a high-level oil tank (1), a booster oil pump (2), a constant-power oil filter (3), an oil overflow pipeline (4), an oil supplementing pipeline (5), an oil inlet pipeline (6), a fine filter (7), a rough filter (8), a filter oil pump (9), a lubricating oil barrel (10), a sampling pipeline (11), a plurality of shut-off valves (12) and a plurality of auxiliary pipelines, wherein an oil inlet interface, an oil supplementing port interface and an oil overflow port interface which are arranged on the high-level oil tank (1) are respectively connected with one end of the oil inlet pipeline (6), one end of the oil supplementing pipeline (5) and one end of the oil overflow pipeline (4), the other end of the oil inlet pipeline (6) is connected with an oil inlet interface which is arranged on the rough filter (8) of the constant-power oil filter (3), the other end of the oil supplementing pipeline (5) is respectively connected with one end of the sampling pipeline (11) and the oil supplementing port interface which is arranged on the rough filter (8), the other end of the oil overflow pipeline (4) is connected with the outlet of the boosting oil pump (2) through an auxiliary pipeline, the inlet of the boosting oil pump (2) is respectively connected with the outlet of the fine filter (7) and the bottom connecting port of the lubricating oil barrel (10) through the auxiliary pipeline, the inlet of the fine filter (7) is connected with the outlet of the filter oil pump (9) through the auxiliary pipeline, the inlet of the filter oil pump (9) is connected with the outlet of the coarse filter (8) through the auxiliary pipeline, the horizontal pipelines of the oil supplementing pipeline (5), the oil inlet pipeline (6) and the oil overflow pipeline (4) are respectively provided with a shut-off valve (12), the auxiliary pipelines of the constant-power oil filter (3) connected with the oil supplementing pipeline (5) and the oil inlet pipeline (6) are respectively provided with a shut-off valve (12), and the auxiliary pipelines between the fine filter (7) and the filter oil pump (9), Set up a shutoff valve (12) respectively on the auxiliary line between coarse filter (8) and cross oil filter pump (9), set up a shutoff valve (12) respectively on the fine filtration filter (7) export branch road auxiliary line that links to each other with booster pump (2) import and on lubricating oil barrel (10) branch road auxiliary line, set up a shutoff valve (12) in the middle of sampling pipeline (11), the auxiliary line can be dismantled.
2. The high-level oil tank oil filtering system based on the constant-power oil filtering machine is characterized in that: the oil overflow pipeline (4), the oil supplement pipeline (5) and the oil inlet pipeline (6) are all provided with a vertical pipeline and a horizontal pipeline.
3. The high-level oil tank oil filtering system based on the constant-power oil filtering machine is characterized in that: the motor power of the filtering oil pump (9) is constant, and when the filtering oil pump (9) and the boosting oil pump (2) have the same pump oil flow, the oil supply lift of the boosting oil pump (2) is greater than the sum of the lengths of each section of the vertical trend pipelines of the oil overflow pipeline (4).
4. The high-level oil tank oil filtering system based on the constant-power oil filtering machine is characterized in that: the distance between a shut-off valve (12) arranged on the oil overflow pipeline (4) and the booster oil pump (2) is less than 1 meter, and the distance between a shut-off valve (12) arranged on the oil supplement pipeline (5) and the oil inlet pipeline (6) and the rough filtering filter (8) is less than 1 meter.
5. The working method of the high-level oil tank oil filtering system based on the constant-power oil filtering machine is characterized in that: the method comprises the following steps that the method comprises an oil filling stage, an oil filtering stage and a sampling stage, wherein the oil filling stage comprises the steps of opening a shut-off valve (12) on a branch auxiliary pipeline of a lubricating oil barrel (10) and a shut-off valve (12) on an oil overflow pipeline (4), closing the rest shut-off valves, opening a boosting oil pump (2), pumping lubricating oil in the lubricating oil barrel (10) into a high-level oil tank (1) through the branch auxiliary pipeline of the lubricating oil barrel (10) and the oil overflow pipeline (4) successively, and closing all the shut-off valves (12) when the liquid level in the high-level oil tank (1) reaches 80% of the rated oil storage height; in the oil filtering stage, after the oil injection stage is completed, all shut-off valves (12) except a branch auxiliary pipeline of a lubricating oil barrel (10) are opened, a booster oil pump (2) and a filtering oil pump (9) are opened, so that lubricating oil enters a rough filtering filter (8) from a high-level oil tank (1) along an oil supplementing pipeline (5) and an oil inlet pipeline (6) respectively, and then returns to the high-level oil tank (1) through an oil filtering pump (9), a fine filtering filter (7), the booster oil pump (2) and an oil overflow pipeline (4) in sequence, and oil filtering circulation of the lubricating oil in the high-level oil tank and a pipeline system thereof is realized; after the oil filtering stage is finished, closing all shut-off valves (12), entering the sampling stage, opening the shut-off valves (12) on the oil supplementing pipeline (5), slowly opening the shut-off valves (12) in the middle of the sampling pipeline (11), discharging 5-10 liters of lubricating oil from the outlet of the sampling pipeline (11) to rinse the sampling pipeline (11), then taking a small amount of lubricating oil from the flowing lubricating oil to rinse the cleaned sampling bottle, pouring the lubricating oil in the sampling bottle, then taking 1.5 times of the volume of the lubricating oil required by inspection from the flowing lubricating oil by the rinsed sampling bottle, covering the bottle cover of the sampling bottle, closing the shut-off valves (12) on the oil supplementing pipeline (5), and finishing sampling.
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Cited By (2)
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| CN117167345A (en) * | 2023-10-30 | 2023-12-05 | 德阳市东方恒运电机有限公司 | Hydraulic station with stable structure |
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