CN108798803B - Device for realizing on-line switching of small machine oil adjusting filter screen - Google Patents
Device for realizing on-line switching of small machine oil adjusting filter screen Download PDFInfo
- Publication number
- CN108798803B CN108798803B CN201810717141.3A CN201810717141A CN108798803B CN 108798803 B CN108798803 B CN 108798803B CN 201810717141 A CN201810717141 A CN 201810717141A CN 108798803 B CN108798803 B CN 108798803B
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- China
- Prior art keywords
- oil
- pipe
- tank
- filtering tank
- filter screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010721 machine oil Substances 0.000 title claims abstract description 7
- 239000003921 oil Substances 0.000 claims abstract description 187
- 238000001914 filtration Methods 0.000 claims abstract description 50
- 239000010687 lubricating oil Substances 0.000 claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 7
- 239000002103 nanocoating Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
Abstract
The invention discloses a device for realizing online switching of a small machine oil adjusting filter screen, which comprises a lubricating oil main pipe, wherein a switching valve is arranged at the lower end of the lubricating oil main pipe, two ends of the switching valve are connected with branch pipes, the lower end of one branch pipe is connected with a first oil filtering tank, the lower end of the other branch pipe is connected with a second oil filtering tank, exhaust pipes are arranged at the positions, close to the branch pipes, of the upper surfaces of the first oil filtering tank and the second oil filtering tank, and an exhaust valve is arranged at the upper end of the exhaust pipe. According to the invention, the empty oil filtering tank is filled with oil through the oil filling switching valve and the exhaust valve, so that the switching valve can not cause interruption of lubricating oil supply when in switching use, the problem of tripping of a water feeding pump turbine caused by oil pressure drop after switching of the oil filtering tank is further avoided, and the lubricating oil is filtered out through the active carbon filter layer and the filter screen in the oil hopper, so that greasy dirt impurities in the lubricating oil can not cause blockage to the oil filling switching valve and the guide pipe.
Description
Technical Field
The invention relates to the technical field of oil filter regulation, in particular to a device for realizing on-line switching of a small-machine oil filter regulation screen.
Background
The lubricating oil of the water feeding pump turbine provides the lubricating oil during normal operation of the turbine and the regulating oil of the regulating system, and during normal operation of the turbine, the lubricating oil is sucked out of the oil tank by the oil pump, is directly sent to a lubrication point of equipment for lubrication through the oil cooler and the filter screen, and is sent to the regulating system through the filter screen. The oil filter for regulating oil has two groups of filter screens, one group of filter screens works, the other group of filter screens works for standby, when the working filter screen needs to be replaced, the continuous flow conversion device is used for switching to the standby filter screen to clean or replace the filter screen of the original operation filter screen, as the filter screen is not provided with a drain door and an oiling door, the filter screen can not be oiled after being cleaned or replaced in the operation of the water pump turbine, the oil regulating oil is instantaneously interrupted in the filter screen switching process, the oil pressure is reduced, and the water pump turbine trips.
Disclosure of Invention
The invention aims to provide a device for realizing on-line switching of a small-machine adjusting oil filter screen, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a little machine regulation oil filter screen realizes device of online switching, includes the lubricating oil main pipe, the diverter valve is installed to the lower extreme of lubricating oil main pipe, the both ends of diverter valve all are connected with the branch pipe, the lower extreme of one of them branch pipe is connected with first oil strain tank, and the lower extreme of another branch pipe is connected with the second oil strain tank, the position department that the upper surface of first oil strain tank and second oil strain tank is close to the branch pipe all is provided with the blast pipe, the discharge valve is installed to the upper end of blast pipe, the one end of first oil strain tank and second oil strain tank all is connected with the pipe, the mid-mounting of pipe has the oiling diverter valve, the upper end of oiling diverter valve is provided with the oil scoop, the lower extreme of first oil strain tank is connected with first oil pipeline, the lower extreme of second oil strain tank is connected with the second oil pipeline, the mid-mounting of first oil pipeline has first oil strain valve, the one end of second oil pipeline is close to the below position department of first oil strain tank and all is provided with the blast pipe, the inside of oil scoop is provided with first filter screen, the filter screen and the second filter screen is provided with the filter tip, the filter tip is all arranged on the filter screen.
As a further scheme of the invention: the vertical height of two blast pipes is higher than the vertical height of the branch pipe, and the two blast pipes are fixedly connected with the first oil filtering tank and the second oil filtering tank through welding respectively.
As still further aspects of the invention: the first oil filtering tank and the second oil filtering tank are identical in structure and size, and the second filter screen in the first oil filtering tank and the second oil filtering tank is fixedly connected to the middle positions of the first oil filtering tank and the second oil filtering tank respectively.
As still further aspects of the invention: one end of the first oil filtering tank and one end of the second oil filtering tank are fixedly connected with the guide pipe through welding, and the connecting parts of the guide pipe and the first oil filtering tank and the second oil filtering tank are all arranged below the second filter screen.
As still further aspects of the invention: the first filter screen is fixedly connected with the inside of the oil hopper through welding, the active carbon filter layer is uniformly distributed on the upper surface of the first filter screen, and the thickness range of the active carbon filter layer is 2.3cm-2.6cm.
As still further aspects of the invention: the inner walls of the lubricating oil main pipe, the branch pipe, the exhaust pipe, the first oil conveying pipe, the guide pipe and the second oil stop valve are coated with nano-coatings.
As still further aspects of the invention: the lubricating oil main pipe, the branch pipe, the exhaust pipe, the first oil conveying pipe, the guide pipe and the second oil stopping valve are all members made of stainless steel.
As still further aspects of the invention: the first oil filtering tank is fixedly connected with the branch pipe and the first oil conveying pipe through bolts, and the second oil filtering tank is fixedly connected with the branch pipe and the second oil stopping valve through bolts.
Compared with the prior art, the invention has the beneficial effects that: the empty oil filtering tank is filled with oil through the oil filling switching valve and the exhaust valve, so that the switching valve can not cause the interruption of lubricating oil supply when the oil filtering tank is used in a switching mode, further the problem that the water feeding pump turbine trips due to the fact that oil pressure is reduced after the oil filtering tank is switched is avoided, and secondly, the lubricating oil is filtered out through the active carbon filter layer and the filter screen in the oil hopper, so that greasy dirt impurities in the lubricating oil can not cause blockage to the oil filling switching valve and the guide pipe, and the use duration of the oil filling switching valve and the guide pipe is improved.
Drawings
Fig. 1 is a schematic structural diagram of a device for realizing on-line switching of a small-machine oil adjusting filter screen.
Fig. 2 is a schematic diagram of a cross-sectional structure of an oil hopper in a device for realizing on-line switching by a small machine for adjusting an oil filter screen.
Fig. 3 is a schematic diagram of the internal structure of the first oil filtering tank or the second oil filtering tank in the device for realizing on-line switching of the small machine adjusting oil filter screen.
In the figure: 1. a lubricating oil main pipe; 2. a switching valve; 3. an exhaust valve; 4. a first oil filtering tank; 5. a first oil delivery pipe; 6. a first oil stop valve; 7. a conduit; 8. a second oil stop valve; 9. an oiling switching valve; 10. an oil bucket; 11. the second oil delivery pipe; 12. a second oil filtering tank; 13. an exhaust pipe; 14. a branch pipe; 15. an activated carbon filter layer; 16. a drain nozzle; 17. a first filter screen; 18. and a second filter screen.
Detailed Description
Referring to fig. 1-3, in the embodiment of the invention, a device for realizing online switching of a small machine oil adjusting filter screen comprises a lubricating oil main pipe 1, wherein a switching valve 2 is installed at the lower end of the lubricating oil main pipe 1, two ends of the switching valve 2 are both connected with branch pipes 14, the lower end of one branch pipe 14 is connected with a first oil filtering tank 4, the lower end of the other branch pipe 14 is connected with a second oil filtering tank 12, exhaust pipes 13 are arranged at positions, close to the branch pipes 14, of the upper surfaces of the first oil filtering tank 4 and the second oil filtering tank 12, the vertical heights of the two exhaust pipes 13 are higher than the vertical heights of the branch pipes 14, and the two exhaust pipes 13 are fixedly connected with the first oil filtering tank 4 and the second oil filtering tank 12 through welding, so that gas in lubricating oil and air in the first oil filtering tank 4 (or the second oil filtering tank 12) can be conveniently discharged.
The discharge valve 3 is installed to the upper end of blast pipe 13, the one end of first oil tank 4 and second oil tank 12 is all connected with pipe 7, the mid-mounting of pipe 7 has oiling change over valve 9, the upper end of oiling change over valve 9 is provided with oil fill 10, the lower extreme of first oil tank 4 is connected with first oil pipe 5, the lower extreme of second oil tank 12 is connected with second oil pipe 11, lubricating oil main pipe 1, branch pipe 14, blast pipe 13, first oil pipe 5, pipe 7 and the inner wall of second oil stop valve 8 all are paintd the nano-coating, lubricating oil main pipe 1, branch pipe 14, blast pipe 13, first oil pipe 5, pipe 7 and second oil stop valve 8 are the component of a stainless steel material, first oil tank 4 and branch pipe 14 and first oil pipe 5 all pass through bolt fixed connection, second oil tank 12 and branch pipe 14 and second oil stop valve 8 all pass through bolt fixed connection, the dismantlement or the installation of being convenient for first oil tank 4 and second oil tank 12.
The mid-mounting of first oil delivery pipe 5 has first oil valve 6, second oil valve 8 is installed to the below position department that the one end of second oil delivery pipe 11 is close to first oil delivery pipe 5, the inside of oil fill 10 is provided with first filter screen 17, and the lower extreme of oil fill 10 is provided with glib talker 16, the upper surface tiling of first filter screen 17 has active carbon filter layer 15, the inside of first filter screen 17 and oil fill 10 passes through welded fastening connection, active carbon filter layer 15 evenly distributed has the upper surface of first filter screen 17, active carbon filter layer 15's thickness scope is 2.3cm-2.6cm, can prevent that greasy dirt impurity in the lubricating oil from causing the jam to oiling diverter valve 9 and pipe 7.
The inside that first oil tank 4 and second strained oil tank 12 all is provided with second filter screen 18, first oil tank 4 and second strained oil tank 12 structure size are the same, first oil tank 4 and second strained oil tank 12 in second filter screen 18 respectively fixed connection in first oil tank 4 and second oil tank 12 middle part position department strained in the second, first oil tank 4 and second oil tank 12's one end all passes through welded fastening connection with pipe 7, pipe 7 and the junction that first oil tank 4 and second strained oil tank 12 all are in the below of second filter screen 18, can avoid first oil tank 4 and second oil tank 12 in unfiltered lubricating oil and then pipe 7, and then cause the greasy dirt to stop up to pipe 7.
The working principle of the invention is as follows: firstly, an exhaust valve 3 and an exhaust pipe 13 are added on a first filter oil tank 4 and a second filter oil tank 12, an oiling switching valve 9 is added between the first filter oil tank 4 and the second filter oil tank 12, an oil hopper 10 is arranged on the oiling switching valve 9, when the first filter oil tank 4 is required to be switched into the second filter oil tank 12 (or the second filter oil tank 12 is switched into the first filter oil tank 4) for oil filtering, lubricating oil is poured into the oil hopper 10 firstly, then the second filter oil tank 12 without oil is filled through the oiling switching valve 9, during the oiling, the exhaust valve 3 on the second filter oil tank 12 can exhaust the air in the second filter oil tank 12 until the second filter oil tank 12 is filled with lubricating oil, then the switching valve 2 is adjusted for switching the filter oil tanks, the oil supply of the system is stable in the switching process, the oil pressure is unchanged, and the problem that the supply of lubricating oil is interrupted and the oil pressure is lowered in the switching process of the filter oil tank is solved, so that a water feeding pump turbine trips is solved.
Claims (2)
1. The utility model provides a device that little machine regulation oil filter screen realized on-line switching, includes lubricating oil main pipe (1), its characterized in that, switching valve (2) are installed to the lower extreme of lubricating oil main pipe (1), the both ends of switching valve (2) all are connected with branch pipe (14), the lower extreme of one of them branch pipe (14) is connected with first oil strain tank (4), and the lower extreme of another branch pipe (14) is connected with second oil strain tank (12), the upper surface of first oil strain tank (4) and second oil strain tank (12) is close to the position department of branch pipe (14) and all is provided with blast pipe (13), discharge valve (3) are installed to the upper end of blast pipe (13), the one end of first oil strain tank (4) and second oil strain tank (12) all is connected with pipe (7), mid-mounting of pipe (7) has oiling switching valve (9), the upper end of switching valve (9) is provided with oil hopper (10), the lower extreme of first oil strain tank (4) is connected with first oil strain tank (5), the position (5) are installed to the second oil strain tank (12) the upper end of second oil strain tank (12) is close to first oil pipe (5), the novel oil filter is characterized in that a first filter screen (17) is arranged in the oil hopper (10), an oil drain nozzle (16) is arranged at the lower end of the oil hopper (10), an active carbon filter layer (15) is paved on the upper surface of the first filter screen (17), and a second filter screen (18) is arranged in each of the first filter tank (4) and the second filter tank (12);
the vertical heights of the two exhaust pipes (13) are higher than the vertical heights of the branch pipes (14), and the two exhaust pipes (13) are fixedly connected with the first oil filtering tank (4) and the second oil filtering tank (12) through welding respectively;
the first oil filtering tank (4) and the second oil filtering tank (12) are identical in structure and size, and a second filter screen (18) in the first oil filtering tank (4) and the second oil filtering tank (12) is fixedly connected to the middle positions of the first oil filtering tank (4) and the second oil filtering tank (12) respectively;
one end of each of the first oil filtering tank (4) and the second oil filtering tank (12) is fixedly connected with the guide pipe (7) through welding, and the joint of each guide pipe (7) and each of the first oil filtering tank (4) and the second oil filtering tank (12) is arranged below the second filter screen (18);
the first filter screen (17) is fixedly connected with the inside of the oil hopper (10) through welding, the active carbon filter layer (15) is uniformly distributed on the upper surface of the first filter screen (17), and the thickness range of the active carbon filter layer (15) is 2.3cm-2.6cm;
the first oil filtering tank (4) is fixedly connected with the branch pipe (14) and the first oil conveying pipe (5) through bolts, and the second oil filtering tank (12) is fixedly connected with the branch pipe (14) and the second oil stopping valve (8) through bolts;
the inner walls of the lubricating oil main pipe (1), the branch pipe (14), the exhaust pipe (13), the first oil conveying pipe (5), the guide pipe (7) and the second oil stop valve (8) are coated with nano-coatings.
2. The device for realizing on-line switching of the small-machine oil adjusting filter screen according to claim 1, wherein the main lubricating oil pipe (1), the branch pipe (14), the exhaust pipe (13), the first oil conveying pipe (5), the guide pipe (7) and the second oil stopping valve (8) are all members made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810717141.3A CN108798803B (en) | 2018-06-29 | 2018-06-29 | Device for realizing on-line switching of small machine oil adjusting filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810717141.3A CN108798803B (en) | 2018-06-29 | 2018-06-29 | Device for realizing on-line switching of small machine oil adjusting filter screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108798803A CN108798803A (en) | 2018-11-13 |
| CN108798803B true CN108798803B (en) | 2023-11-21 |
Family
ID=64074275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810717141.3A Active CN108798803B (en) | 2018-06-29 | 2018-06-29 | Device for realizing on-line switching of small machine oil adjusting filter screen |
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| CN (1) | CN108798803B (en) |
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| CN108798803A (en) | 2018-11-13 |
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Address after: 545600 No. 168, Jianzhong West Road, Luzhai County, Liuzhou City, Guangxi Zhuang Autonomous Region Applicant after: Guoneng guangtou Liuzhou Power Generation Co.,Ltd. Address before: 545600 No. 168, Jianzhong West Road, Luzhai County, Liuzhou City, Guangxi Zhuang Autonomous Region Applicant before: SHENHUA GUOHUA GUANGTOU (LIUZHOU) POWER GENERATION CO.,LTD. |
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