CN220186548U - EH control oil tank pipeline equipment is decided and is repaiied device - Google Patents
EH control oil tank pipeline equipment is decided and is repaiied device Download PDFInfo
- Publication number
- CN220186548U CN220186548U CN202321625663.3U CN202321625663U CN220186548U CN 220186548 U CN220186548 U CN 220186548U CN 202321625663 U CN202321625663 U CN 202321625663U CN 220186548 U CN220186548 U CN 220186548U
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- Prior art keywords
- pipeline
- oil
- valve
- oil supply
- regeneration filter
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- 230000008929 regeneration Effects 0.000 claims abstract description 60
- 238000011069 regeneration method Methods 0.000 claims abstract description 60
- 238000002485 combustion reaction Methods 0.000 claims abstract description 13
- 230000009970 fire resistant effect Effects 0.000 claims description 11
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 230000001012 protector Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The utility model relates to an EH control oil tank pipeline equipment repairing device which comprises an EH anti-combustion control oil main oil tank, an oil supply pipeline, a circulating pipeline, an oil supply pipeline overflow pipe, a regeneration filter pipeline overflow pipe valve and a regeneration filter outlet valve, wherein an oil supply outlet of the EH anti-combustion control oil main oil tank is connected with the oil supply pipeline, an oil supply pipeline overflow pipe is arranged between the oil supply pipeline and the EH anti-combustion control oil main oil tank, a circulating outlet of the EH anti-combustion control oil main oil tank is connected with the circulating pipeline, the regeneration filter pipeline is arranged between an outlet end of the circulating pipeline and the EH anti-combustion control oil main oil tank, the overflow pipe valve is arranged on an overflow pipe of the oil supply pipeline, the regeneration filter outlet valve is arranged on a connecting pipeline of the regeneration filter pipeline and the EH anti-combustion control oil main oil tank, and an outlet end and an inlet end of the regeneration filter outlet valve are respectively connected with pipelines of DN 20-DN 25.
Description
Technical Field
The utility model relates to the technical field of mechanical engineering, in particular to an EH control oil tank pipeline equipment repairing device.
Background
When the DEH electrically-regulated EH control oil system is adopted by the steam turbine generator set, an outlet overpressure overflow pipe of the EH main oil pump and an outlet pipe of the regeneration filter are connected to the upper part of the EH control oil tank, air bubbles are easy to occur in a pipeline, the air release value is larger, and therefore the outlet overpressure overflow pipe of the EH main oil pump and the outlet pipe of the regeneration filter are connected to the lower part of the EH control oil tank, the phenomenon of oil leakage easily occurs in an outlet unidirectional overflow valve in the main oil pump after the lower part is connected, the overflow pipe is not cut off, key equipment such as the oil pump, the EH main oil pump and the regeneration filter cannot be isolated from the system, cannot be independently overhauled, related equipment can be disassembled for overhauling only after the EH control oil tank is completely discharged, the primary overhauling needs to be stopped for 5 days, the electricity generation capacity is directly lost 6720MW, the electricity profit per degree is calculated according to 0.04 yuan, the economic benefit is directly lost by about 27 yuan, and the working requirements of daily equipment fixed overhauling and defect treatment cannot be met.
Disclosure of Invention
The utility model provides an EH control oil tank pipeline equipment repairing device, which realizes independent overhaul of an EH main oil pump and a regeneration filter equipment by utilizing an overflow pipe valve and a regeneration filter outlet valve, avoids that the EH main oil pump cannot intercept an overflow pipe and cannot be replaced independently, does not need a shutdown state when overhauling the EH main oil pump and the regeneration filter equipment, and completely discharges oil from an EH control oil tank, thereby saving maintenance cost; the device can be modified on the basis of the original system, the modified pipe diameter and the ball valve are universal, the cost is low, the modification amount is small, and the device is easy to realize and popularize.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the device comprises an EH fire-resistant control oil main oil tank, an oil supply pipeline, a circulating pipeline, an oil supply pipeline overflow pipe and a regeneration filter pipeline, wherein an oil supply outlet of the EH fire-resistant control oil main oil tank is connected with the oil supply pipeline, the oil supply pipeline overflow pipe is arranged between the oil supply pipeline and the EH fire-resistant control oil main oil tank, a circulating outlet of the EH fire-resistant control oil main oil tank is connected with the circulating pipeline, and the regeneration filter pipeline is arranged between an outlet end of the circulating pipeline and the EH fire-resistant control oil main oil tank;
the system also comprises an overflow pipe valve and a regeneration filter outlet valve, wherein the overflow pipe valve is arranged on an overflow pipe of the oil supply pipeline, the regeneration filter outlet valve is arranged on a connecting pipeline between the regeneration filter pipeline and the EH flame-retardant control oil main oil tank, and the outlet end and the inlet end of the overflow pipe valve and the regeneration filter outlet valve are connected with pipelines with pipe diameters DN 20-DN 25.
Further, the oil supply pipeline comprises an oil supply outlet valve, an oil supply filter element, an EH main oil pump and a high-pressure protector, wherein the oil supply outlet valve is arranged at the oil supply outlet end of the EH anti-combustion control oil main oil tank, the oil supply outlet valve is connected with the oil supply filter element through a pipeline, the oil supply filter element is connected with the EH main oil pump through a pipeline, the outlet end of the main oil pump is connected with the high-pressure protector through a pipeline, a one-way overflow valve is arranged at the outlet end of an overflow pipe of the main oil pump, and the overflow pipe of the oil supply pipeline is arranged between the one-way overflow valve of the EH main oil pump and the EH anti-combustion control oil main oil tank.
Further, the circulation pipeline comprises a circulation outlet valve, a circulation pipeline filter element, a circulation pump and a circulation pump outlet valve, wherein the circulation outlet valve is arranged at the circulation outlet end of the EH flame-retardant control oil main oil tank, the circulation outlet valve is connected with the circulation pipeline filter element through a pipeline, the circulation pipeline filter element is connected with the circulation pump through a pipeline, and the circulation pump outlet valve is arranged on an outlet end pipeline of the circulation pump.
Further, the regeneration filter pipeline comprises a regeneration filter and a regeneration filter inlet valve, the regeneration filter inlet valve is arranged on a pipeline at the inlet end of the regeneration filter, the regeneration filter outlet valve is arranged on a connecting pipeline between the regeneration filter and the EH flame-retardant control oil main oil tank, and the regeneration filter pipeline is connected with the circulating pipeline in parallel.
Furthermore, the overflow pipe valve and the regeneration filter outlet valve are stainless steel ball valves, and the oil supply outlet valve and the circulation outlet valve are stainless steel one-way valves.
Compared with the prior art, the utility model has the beneficial effects that:
1) Independent overhaul of the EH main oil pump and the regeneration filter equipment is realized by utilizing the overflow pipe valve and the regeneration filter outlet valve, the situation that the overflow pipe cannot be cut off by the EH main oil pump so that the EH main oil pump cannot be replaced independently is avoided, a shutdown state is not needed when the EH main oil pump and the regeneration filter equipment are overhauled, and the EH controls the oil tank to drain oil completely, so that the maintenance cost is saved;
2) The device can be modified on the basis of the original system, the modified pipe diameter and the ball valve are universal, the cost is low, the modification amount is small, and the device is easy to realize and popularize.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: an EH flame resistant control oil main tank 2, an EH main oil pump 3, an oil supply outlet valve 4, an oil supply filter cartridge 5, an overflow pipe valve 6, an oil supply pipe overflow pipe 7, a check overflow valve 8, a high pressure protector 9, a circulation outlet valve 10, a circulation pipe filter cartridge 11, a circulation pump 12, a circulation pump outlet valve 13, a regeneration filter 14, a regeneration filter outlet valve 15, a regeneration filter inlet valve
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
fig. 1 is a schematic diagram of the structure of the present utility model. The utility model relates to an EH control oil tank pipeline equipment repairing device, which comprises an EH flame-retardant control oil main oil tank 1, an oil supply pipeline, a circulating pipeline, an oil supply pipeline overflow pipe 6, a regeneration filter pipeline, an overflow pipe valve 5 and a regeneration filter outlet valve 14, wherein an oil supply outlet of the EH flame-retardant control oil main oil tank 1 is connected with the oil supply pipeline, the oil supply pipeline overflow pipe 6 is arranged between the oil supply pipeline and the EH flame-retardant control oil main oil tank 1, the circulating outlet of the EH flame-retardant control oil main oil tank 1 is connected with the circulating pipeline, and the regeneration filter pipeline is arranged between an outlet end of the circulating pipeline and the EH flame-retardant control oil main oil tank 1.
Further, the oil supply pipeline comprises an oil supply outlet valve 3, an oil supply filter element 4, an EH main oil pump 2 and a high-pressure protector 8, the oil supply outlet valve 3 is a stainless steel one-way valve and is arranged at the oil supply outlet end of the EH anti-combustion control oil main oil tank 1, the oil supply outlet valve 3 is connected with the oil supply filter element 4 through a pipeline, the oil supply filter element 4 is connected with the EH main oil pump 2 through a pipeline, a one-way overflow valve 7 is arranged at the outlet end of an overflow pipe of the main oil pump, an overflow pipe 6 of the oil supply pipeline is arranged between the one-way overflow valve 7 of the EH main oil pump 2 and the EH anti-combustion control oil main oil tank 1, the overflow pipe valve 5 is a stainless steel ball valve, the overflow pipe valve 5 is arranged on the overflow pipe 6 of the oil supply pipeline, and the outlet end and the inlet end of the overflow pipe valve 5 are connected with a pipeline with a pipe diameter DN 25.
Further, the circulation pipeline comprises a circulation outlet valve 9, a circulation pipeline filter element 10, a circulation pump 11 and a circulation pump outlet valve 12, the circulation outlet valve 9 is a stainless steel one-way valve and is arranged at the circulation outlet end of the EH flame-retardant control oil main oil tank 1, the circulation outlet valve 9 is connected with the circulation pipeline filter element 10 through a pipeline, the circulation pipeline filter element 10 is connected with the circulation pump 11 through a pipeline, and the circulation pump outlet valve 12 is arranged on an outlet end pipeline of the circulation pump 11.
Further, the regeneration filter pipeline comprises a regeneration filter 13 and a regeneration filter inlet valve 15, the regeneration filter inlet valve 15 is arranged on a pipeline at the inlet end of the regeneration filter 13, the regeneration filter outlet valve 14 is a stainless steel ball valve and is arranged on a connecting pipeline between the regeneration filter 13 and the EH anti-combustion control oil main oil tank 1, the outlet end and the inlet end of the regeneration filter outlet valve 14 are both connected with a pipeline with the pipe diameter DN25, and the regeneration filter pipeline is connected with the circulating pipeline in parallel.
Working principle: there are three hydraulic fluid ports in the EH main oil pump 2, the inlet end of the EH main oil pump 2 is connected with the oil supply outlet valve 3 through the pipeline, the oil supply outlet valve 3 is a one-way valve, the outlet end of the EH main oil pump 2 is connected with the high-pressure protector 8 through the pipeline, the overflow port of the EH main oil pump 2 is provided with the one-way overflow valve 7 of the EH main oil pump 2, but the oil leakage of the one-way overflow valve 7 of the EH main oil pump 2 is serious after long-time use, so that an overflow pipe valve 5 is arranged on an overflow pipe between the anti-fuel control oil main oil tank and the one-way overflow valve 7 of the EH main oil pump 2, when the EH is overhauled, the oil supply outlet valve 3, the one-way overflow valve 7 and the overflow pipe valve 5 are closed, the one-way overflow valve 7 is replaced, and the EH main oil pump 2 is overhauled.
When the regenerated filter 13 is overhauled, the circulating outlet valve 15 and the regenerated filter outlet valve 14 are closed, and the regenerated filter is overhauled independently.
The above examples are implemented on the premise of the technical scheme of the present utility model, and detailed implementation manners and specific operation processes are given, but the protection scope of the present utility model is not limited to the above examples. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (5)
1. The device comprises an EH fire-resistant control oil main oil tank, an oil supply pipeline, a circulating pipeline, an oil supply pipeline overflow pipe and a regeneration filter pipeline, wherein an oil supply outlet of the EH fire-resistant control oil main oil tank is connected with the oil supply pipeline, the oil supply pipeline overflow pipe is arranged between the oil supply pipeline and the EH fire-resistant control oil main oil tank, a circulating outlet of the EH fire-resistant control oil main oil tank is connected with the circulating pipeline, and the regeneration filter pipeline is arranged between an outlet end of the circulating pipeline and the EH fire-resistant control oil main oil tank; the device is characterized by further comprising an overflow pipe valve and a regeneration filter outlet valve, wherein the overflow pipe valve is arranged on an overflow pipe of the oil supply pipeline, the regeneration filter outlet valve is arranged on a connecting pipeline of the regeneration filter pipeline and the EH flame-retardant control oil main oil tank, and the outlet end and the inlet end of the overflow pipe valve and the regeneration filter outlet valve are connected with pipelines with pipe diameters DN 20-DN 25.
2. The device for repairing pipeline equipment of an EH control oil tank according to claim 1, wherein the oil supply pipeline comprises an oil supply outlet valve, an oil supply filter element, an EH main oil pump and a high-pressure protector, the oil supply outlet valve is arranged at an oil supply outlet end of an EH anti-combustion control oil main oil tank, the oil supply outlet valve is connected with the oil supply filter element through a pipeline, the oil supply filter element is connected with the EH main oil pump through a pipeline, the outlet end of the main oil pump is connected with the high-pressure protector through a pipeline, a one-way overflow valve is arranged at an outlet end of an overflow pipe of the main oil pump, and the overflow pipe of the oil supply pipeline is arranged between the one-way overflow valve of the EH main oil pump and the EH anti-combustion control oil main oil tank.
3. The EH control oil tank line equipment repair device according to claim 1, wherein the circulation line includes a circulation outlet valve, a circulation line filter element, a circulation pump, and a circulation pump outlet valve, the circulation outlet valve is disposed at a circulation outlet end of the EH fire-resistant control oil main tank, the circulation outlet valve is connected to the circulation line filter element through a pipe, the circulation line filter element is connected to the circulation pump through a pipe, and the circulation pump outlet valve is disposed on an outlet end pipe of the circulation pump.
4. The EH control tank line fixture of claim 1, wherein the regeneration filter line includes a regeneration filter and a regeneration filter inlet valve, the regeneration filter inlet valve is disposed on a line at an inlet end of the regeneration filter, the regeneration filter outlet valve is disposed on a line connecting the regeneration filter to the EH anti-fire control oil main tank, and the regeneration filter line is connected in parallel with the circulation line.
5. The EH control tank line set forth in claim 1, wherein the overflow tube valve, the regeneration filter outlet valve are stainless steel ball valves, and the oil supply outlet valve and the circulation outlet valve are stainless steel check valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321625663.3U CN220186548U (en) | 2023-06-26 | 2023-06-26 | EH control oil tank pipeline equipment is decided and is repaiied device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321625663.3U CN220186548U (en) | 2023-06-26 | 2023-06-26 | EH control oil tank pipeline equipment is decided and is repaiied device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220186548U true CN220186548U (en) | 2023-12-15 |
Family
ID=89104461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321625663.3U Active CN220186548U (en) | 2023-06-26 | 2023-06-26 | EH control oil tank pipeline equipment is decided and is repaiied device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220186548U (en) |
-
2023
- 2023-06-26 CN CN202321625663.3U patent/CN220186548U/en active Active
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