JPH0910523A - Filtering system device for oil for lubricant system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent securely the dehydration of oil with time by setting in parallel a main oil tank for controlling oil used for a lubricant system and an oil filter and disposing a filtering system for removing foreign matters in the oil in a circulating flow path for returning the oil of the main oil tank through the filter. SOLUTION: A filter tank system of this filtering system device is provided with a main oil tank 1 for controlling oil used in a lubricant system, and an oil filter 2 for removing foreign matters in the oil is set in parallel with the tank 1. Also an oil pump 3 for picking out the oil in the tank 1 and returning the same to the tank 1 through the filter 2 is installed, and all the above components are connected with in the order of the tank 1 - the pump 3 - the filter 2 - the tank 1 to constitute a filtering piping system. At the time of the inspection of the main oil tank 1 in an oil transfer system, a main oil tank inlet valve 8 is closed and an oil storage tank inlet valve 22 is opened, and the oil in the main oil tank 1 is transferred to the oil storage tank 21 through the filter 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil filtering device for a lubricating oil system, which removes foreign matters from the oil used in the lubricating oil system.

[0002]

2. Description of the Related Art In general, the deterioration of oil over time is a problem due to the inclusion of water and foreign substances other than water in the oil. Therefore, in the conventional lubricating oil system, an oil purifier is installed, and the aged deterioration of the oil is prevented by separating and removing water in the oil by using a centrifugal separation method.

On the other hand, the foreign matter contained in the oil is removed by installing a filter in series with the lubricating oil system. With such a method of installing the filter, foreign matter of a certain size can be removed. Since the filter is provided in series with the oil system, the mesh size of the filter is greatly limited due to the amount of oil handled in the plant, the flow velocity, the differential pressure, the reliability of the plant, and the like.

Further, when the oil is received in the lubricating oil system, an oil pump, a filter and the like for receiving the oil are required separately. When the lubricating oil system is to be inspected, the oil must be drained from the main oil tank. The oil is transferred to the oil storage tank and refilled after the inspection and the like. At this time, an oil pump, a filter, etc. are also required separately.

[0005]

Therefore, it can be said that the above-mentioned measures for preventing the deterioration of oil with age are effective measures in the case of removing water by the centrifugal separation method using an oil purifier. In the case of removal of, there are various restrictions,
It cannot be said that it is a sufficient measure yet. In addition, temporary equipment such as an oil pump and a filter is prepared to remove foreign substances each time the plant is restarted after inspection including the lubricating oil system, and a special oil pump or filter is required when oil is received. , The work is complicated.

The invention described in claim 1 is to provide an oil filtering system device for a lubricating oil system, which surely prevents aged deterioration of the oil without being affected by the system capacity and various restrictions.

According to the second aspect of the present invention, in addition to the oil filtering process by the filtering system, the oil receiving system process can be executed while removing foreign matters in the oil by directly using the configuration of the filtering system. An object is to provide an oil filtering system device for a lubricating oil system.

According to the third aspect of the invention, in addition to the filtering process of oil by the filtering system, the structure of the filtering system is used as it is, and the process of the oil transfer system that enables the inspection of the main oil tank for managing oil is performed. It is an object of the present invention to provide an oil filtering system device for a lubricating oil system that makes it possible to execute the above.

[0009]

In order to solve the above-mentioned problems, the invention corresponding to claim 1 has a main oil tank for managing oil used in a lubricating oil system and an oil filter arranged in parallel, An oil pump is installed in a pipe portion connecting the main oil tank and the oil filter, and a circulation flow path for returning the oil in the main oil tank to the main oil tank through the oil filter is formed by the operation of the oil pump. An oil filtering system device for a lubricating oil system, which is provided with a filtering system that removes foreign substances in the oil and prevents the oil from aging.

In the invention corresponding to claim 2, a main oil tank for managing oil used in a lubricating oil system and an oil filter are arranged in parallel, and a main pipe is connected to the main oil tank and the oil filter. An oil tongue outlet valve and an oil pump are installed, the main oil tongue outlet valve is opened during the filtering process, and the oil in the main oil tank is transferred to the main oil tongue outlet valve and the oil filter by operating the oil pump. A filtering system that forms a circulation flow path for returning to the main oil tank via the above, removes foreign matters in the oil to prevent aged deterioration of the oil, and the main oil that is a constituent having a configuration similar to this filtering system A tank, the oil filter, and the oil pump are used, and an oil receiving means is provided in a pipe portion connecting the main oil tank and the oil pump to receive the oil from the outside. At this time, the main oil tongue outlet valve is closed, and external oil is received through the oil receiving means by the operation of the oil pump, foreign substances in the oil are removed through the oil filter, and the oil is sent to the main oil tank. An oil receiving system is provided, and in addition to the filtering process of oil by the filtering system, the processing of the oil receiving system that sends oil from the outside to the main oil tank can be performed by using the configuration of this filtering system as it is. It is an oil filtering system device for a lubricating oil system that reliably removes foreign substances in oil by an oil filter.

Next, in the invention corresponding to claim 3, a main oil tank for managing oil used in the lubricating oil system and an oil filter are arranged in parallel, and the main oil tank outlet side and the oil filter are arranged. An oil pump is provided in the connecting pipe portion, a main oil tank inlet valve is provided in the pipe portion connecting the main oil tank inlet side and the oil filter, respectively, during the filtering process,
This main oil tank inlet valve is opened, and a circulation flow path for returning the oil of the main oil tank to the main oil tank via the main oil tank inlet valve and the oil filter by the operation of the oil pump is formed, A filtering system that removes foreign matter in oil to prevent aging deterioration of the oil, and the main oil tank, the oil filter, and the oil pump that are components having the same configuration as the filtering system are used, and the oil filter is used. An oil storage tank is provided between the main oil tank inlet valve and the main oil tank inlet valve via the oil storage tank inlet valve, and when the main oil tank is inspected, the main oil tank inlet valve is closed and the oil storage tank inlet valve is opened. An oil transfer system for transferring the oil in the main oil tank to the oil storage tank through the oil filter and the oil storage tank inlet valve by operating an oil pump is provided, and a filter is provided. In addition to the oil filtering processing by the piping system, it is possible to process the oil transfer system that transfers the oil in the main oil tank to the oil storage tank by using the configuration of the filtering system as it is when inspecting the main oil tank. It is an oil filtering system device for a lubricating oil system that transfers to the oil storage tank while removing foreign matters in the oil by the oil filter even during the processing of.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of an oil filtering system device for a lubricating oil system according to the present invention will be described below with reference to FIG. This filtering system device is composed of a filtering system (see FIG. 2), an oil receiving system (see FIG. 3) and an oil transfer system (see FIG. 4).

The filtering system of this filtering system device has a main oil tank 1 for managing the oil used in the lubricating oil system, and a function installed in parallel with the main oil tank 1 to remove foreign matters in the oil. Oil filter 2
And an oil pump 3 for taking out oil from the main oil tank 1 and returning it to the main oil tank 1 through an oil filter 2.
These main oil tank 1-oil pump 3-oil filter 2-
A filtering piping system connected in the order of the main oil tank 1 and various valves are provided.

The various valves in this filtering system are installed as follows. Main oil tank 1 and oil pump 3
A main oil tank outlet valve 4 and an oil pump inlet valve 5 are provided in a pipe portion between the oil pump and the oil pump, and an oil pump outlet valve 6 is provided in a pipe portion between the oil pump 3 and the oil filter 2. An oil filter outlet valve 7 and a main oil tank inlet valve 8 are provided in a pipe portion between the oil filter 2 and the main oil tank 1.

Next, as the oil receiving system of this filtering system device, in addition to the constituents of the filtering system, a pipe system is newly filled with oil from the outside at the initial stage to create an operation start condition. First filling valve 11
And an oil receiving port 12 which is connected to an oil transfer vehicle or an oil drum to receive oil, and the oil receiving port 12 and the valves 4, 5
And an oil receiving valve 13 which is installed in a pipe portion between the pipe portion and the pipe portion connecting to each other. The oil is received in the main oil tank 1 through the oil receiving port 12-the oil receiving valve 13-the oil pump 3-the oil pump outlet valve 6-the oil filter 2-the oil filter outlet valve 7-the main oil tank inlet valve 8. It is configured by the route.

Further, this filtering system device is provided with an oil transfer system used for inspection and the like. As the oil transfer system, in addition to the components constituting the filtering system, an oil storage tank 21 and an oil storage tank inlet installed in a pipe portion between the oil storage tank 21 and a pipe portion connecting both valves 8 and 7 are newly provided. A valve 22 is added, and a main oil tank 1-main oil tank outlet valve 4-oil pump inlet valve 5-oil pump 3-oil pump outlet valve 6-oil filter 2-oil filter outlet valve 7-storing tank inlet valve 22 -It is constituted by the path of the oil storage tank 21. Reference numeral 23 is an oil storage tank outlet valve.

In addition to the mode setting section 31 for setting the operation modes of the filtering system, the oil receiving system and the oil transfer system, this filtering device also controls each valve based on a program related to the operation mode from the mode setting section 31. An operation control unit 32 is provided for executing the opening / closing control.

Next, the operation 100 of the filtering system will be described with reference to FIGS. 1 and 2. Operation control unit 3
2 always receives a filtering operation mode from the mode setting unit 31, and executes a filtering system process which is a foreign matter removal process of oil as shown in FIG. That is, the operation control unit 32 includes the oil storage tank outlet valve 23 and the oil receiving valve 1
3. Determine whether or not the oil storage tank inlet valve 22 and the initial filling valve 11 are in the closed state. If they are not in the closed state, set these valves 23, 13, 22, 11, etc. to the closed state. To do.

Thereafter, the main oil tank outlet valve 4, the oil pump inlet valve 5, the oil pump outlet valve 6, the oil filter outlet valve 7
And the main oil tank inlet valve 8 is opened. At this time,
Although each valve may be in a fully open state, it is set in an open state so as to have a desired opening degree, for example, based on opening degree data determined in advance from the performance of the oil filter 2 and the like.

After the valves 4, 5, 6, 7, 8 are set to the open state as described above, it is confirmed whether or not the oil in the main oil tank 1 is filled in the suction side of the oil pump 3. Here, when it is confirmed that the oil is filled, the oil pump 3 is driven to start the operation. With the start of the operation of the oil pump 3, the oil in the main oil tank 1 is guided to the oil pump 3 through the main oil tank outlet valve 4 and the oil pump inlet valve 5, and then the oil is boosted by the pump 3. It is sent to the oil filter 2 through the pump outlet valve 6, and foreign matters contained in the oil are removed there. Then, the oil after the foreign matter is removed is sent to the main oil tank 1 through the oil filter outlet valve 7 and the main oil tank inlet valve 8.

The series of foreign matter removing processes are carried out periodically or continuously through the oil circulation path as described above. Therefore, according to the filtering process of the filtering system 100 as described above, the oil in the main oil tank 1 is periodically or continuously removed by the oil filter 2, so that the main oil tank 1 is always cleaned. Can secure oil.

Next, the operation of the oil receiving system 200 will be described with reference to FIGS. 1 and 3. The operation control unit 32 is
When the main oil tank outlet valve 4, the oil storage tank outlet valve 23, the oil storage tank inlet valve 22 and the oil reception valve 13 are in the valve closed state in response to the oil receiving operation mode, and are not in the valve closed state The valves 4, 23, 22, 13 and the like are closed.

Thereafter, the oil pump inlet valve 5, the oil pump outlet valve 6, the oil filter outlet valve 7 and the main oil tank inlet valve 8 are each opened, and the initial filling valve 11 is opened to remove oil. inject. This oil injection processing consists in injecting oil from the initial filling valve 11 before operating the oil pump 3 to fill the piping system and create an operation start condition for the oil pump 3. When the operation start condition of the oil pump 3 is completed in this way, the initial filling valve 11 is set to the closed state.

At the time of closing the valve for initial filling 11, or after closing the valve for initial filling 11, the oil take-out port of the oil transfer vehicle or the oil drum side pipe is connected to the oil receiving port 12. After that, the oil receiving valve 13 is set to the open state. Then, after confirming that the oil received from the oil receiving port 12 is filled in the suction side of the oil pump 3, the oil pump 3 is driven to start the operation.

As a result, the oil prepared in the oil transfer vehicle or the drum can is sucked into the oil pump 3 from the oil receiving port 12 through the oil receiving valve 13-oil pump inlet valve 5. This sucked oil is pressurized by the oil pump 3 and is sent to the oil filter 2 via the oil pump outlet valve 6 to remove foreign matters contained in the oil, and then the oil filter outlet valve 7-
It is sent to the main oil tank 1 via the main oil tank inlet valve 8.

Therefore, in the processing of the oil receiving system 200, the same structure as that of the filtering system 100 is used to take in the oil from the oil transfer vehicle or the drum.
Moreover, the oil filter 2 can remove foreign matter in the oil and fill the main oil tank 1.

Further, an oil transfer system 300 used for inspection or the like
The operation will be described with reference to FIGS. 1 and 4. The operation control unit 32 receives the oil transfer system operation mode from the mode setting unit 31 and executes the processing of the oil transfer system as shown in FIG. Specifically, the operation control unit 32 determines whether or not the oil storage tank outlet valve 23, the main oil tank inlet valve 8, the oil receiving valve 13 and the initial filling valve 11 are in the valve closed state, and the valve closed state. If not, the valves 23, 8, 13, 11 are set to the closed state.

After that, the main oil tank outlet valve 4, the oil pump inlet valve 5, the oil pump outlet valve 6, and the oil storage tank inlet valve 22 are set to the open state so as to have a required opening degree. When the valves 4, 5, 6, and 22 are opened in this way, the oil in the main oil tank 1 flows out. Therefore, after confirming that the oil that has flowed out is filled in the suction side of the oil pump 3, the oil pump 3 is driven to start the operation.

As a result, the oil in the main oil tank 1 is sucked into the oil pump 3 through the main oil tank outlet valve 4-oil pump inlet valve 5. This sucked oil is pressurized by the oil pump 3 and is sent to the oil filter 2 via the oil pump outlet valve 6 to remove foreign matters contained in the oil, and then the oil filter outlet valve 7-oil storage tank. It is sent to the oil storage tank 21 via the inlet valve 22.

Therefore, in the processing of this oil transfer system,
The oil in the main oil tank 1 can be transferred to the oil storage tank 21 by using the same structure as in the filtering system,
Moreover, it is possible to remove foreign matters contained in the oil by the oil filter 2 during the oil transfer process and send the oil to the oil storage tank 21, and the main oil tank 1 can be quickly emptied for inspection. There is no need to prepare a special pump or filter like.

[0031]

EXAMPLES Incidentally, the oil pump 3 used in the above-mentioned embodiment
Since the foreign matter in the oil is continuously removed by the oil filter 2, a relatively small capacity such as 5 kW, 70 k
Pa of about 700-l / min is sufficient, and as the oil filter 2, for example, 3 units of about 6 microns (total area of about 7 m ² ) are used, and foreign matter in the oil is constantly removed. , Prevent the deterioration of oil over time.

[0032]

As described above, according to the present invention, the following various effects are exhibited. According to the first aspect of the present invention, it is possible to reliably prevent the aged deterioration of the oil without being restricted by the system capacity and various restrictions.

According to the second aspect of the present invention, in addition to the normal filtering process of oil by the filtering system, the oil receiving system process is performed while removing foreign matters contained in the oil by using the configuration of this filtering system. You can

According to the third aspect of the invention, in addition to the normal filtering process of oil by the filtering system, the main oil tank for managing the oil can be inspected by using the configuration of this filtering system. Processing can be performed.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram showing an embodiment of an oil filtering device for a lubricating oil system according to the present invention.

FIG. 2 is a diagram illustrating a filtering process of a filtering system.

FIG. 3 is a diagram for explaining processing of a filtering system and an oil receiving system.

FIG. 4 is a diagram for explaining processing of a filtering system and an oil transfer system.

[Explanation of symbols]

1 ... Main oil tank, 2 ... Oil filter, 3 ... Oil pump,
8 ... Main oil tank inlet valve, 12 ... Oil receiving port, 13 ... Oil receiving valve, 21 ... Oil storage pump, 22 ... Oil storage tank inlet valve.

Claims (3)

[Claims] 1. A main oil tank for managing oil used in a lubricating oil system and an oil filter are arranged in parallel, and
An oil pump is installed in a pipe portion connecting the main oil tank and the oil filter, and a circulation flow path for returning the oil in the main oil tank to the main oil tank through the oil filter is formed by the operation of the oil pump. An oil filtering system device for a lubricating oil system, which is provided with a filtering system that removes foreign substances in the oil to prevent the oil from aging. 2. A main oil tank for managing oil used in a lubricating oil system and an oil filter are arranged in parallel, and
A main oil tongue outlet valve and an oil pump are installed in a pipe portion connecting the main oil tank and an oil filter, the main oil tongue outlet valve is opened during the filtering process, and the main oil is operated by operating the oil pump. A filtering system that forms a circulation flow path for returning the oil in the tank to the main oil tank through the main oil tongue outlet valve and the oil filter to remove foreign substances in the oil and prevent the oil from aging. While using the main oil tank, the oil filter and the oil pump, which are components having the same configuration as the system, an oil receiving means is provided in a pipe portion connecting the main oil tank and the oil pump, At the time of oil reception, the main oil tongue outlet valve is closed, and external oil is received through the oil receiving means by the operation of the oil pump to allow the oil fill. An oil filtering system device for a lubricating oil system, comprising: an oil receiving system that removes foreign matter in the oil via a compressor and sends it to the main oil tank. 3. A main oil tank for managing oil used in a lubricating oil system and an oil filter are arranged in parallel, and
An oil pump is provided in the pipe portion connecting the main oil tank outlet side and the oil filter, and a main oil tank inlet valve is provided in the pipe portion connecting the main oil tank inlet side and the oil filter,
During the filtering process, this main oil tank inlet valve is opened, and the oil in the main oil tank is returned to the main oil tank through the main oil tank inlet valve and the oil filter by operating the oil pump. And a filtering system that removes foreign substances in the oil to prevent aging deterioration of the oil, and uses the main oil tank, the oil filter, and the oil pump that are components having the same configuration as the filtering system. An oil storage tank is provided between the oil filter and the main oil tank inlet valve via the oil storage tank inlet valve, and when the main oil tank is inspected, the main oil tank inlet valve is closed and the oil storage tank inlet valve is opened. Oil transfer to open and transfer the oil in the main oil tank to the oil storage tank through the oil filter and the oil storage tank inlet valve by operating the oil pump An oil filtering system device for a lubricating oil system, comprising: