CN213478408U - Emergency cut-off device of online oil filtering equipment - Google Patents
Emergency cut-off device of online oil filtering equipment Download PDFInfo
- Publication number
- CN213478408U CN213478408U CN202021930430.0U CN202021930430U CN213478408U CN 213478408 U CN213478408 U CN 213478408U CN 202021930430 U CN202021930430 U CN 202021930430U CN 213478408 U CN213478408 U CN 213478408U
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- oil
- outlet
- oil tank
- oil filter
- filter
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- Expired - Fee Related
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- 238000001914 filtration Methods 0.000 title claims abstract description 14
- 239000003921 oil Substances 0.000 claims abstract description 131
- 239000010736 steam turbine oil Substances 0.000 claims abstract description 5
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 239000010723 turbine oil Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Control Of Turbines (AREA)
Abstract
The utility model provides an urgent cutting device of online oil strain equipment relates to steam turbine oil system protection field, is applicable to lubricating oil filtration process. The device is used for a turbine oil system and comprises an oil tank, a flowmeter, an oil filter and a control system; an oil tank outlet throttle and an oil tank return throttle are arranged on the oil tank, an oil filter outlet door and an oil filter inlet door are arranged on the oil filter, and the oil tank outlet throttle is connected with the oil filter inlet door through a pipeline; an oil return pipeline is arranged between the outlet door of the oil filter and the return accelerator of the oil tank, one end of the oil return pipeline is connected with the outlet door of the oil filter, and the other end of the oil return pipeline is connected with the return valve of the oil tank; a flowmeter is arranged on the oil return pipeline; the flowmeter is connected with the input end of the control system; the oil outlet of the oil tank is connected with the output end of the control system; the device can effectively reduce the risk caused by leakage of oil filter of the oil filter, thereby ensuring the safe and stable operation of the turbo generator set, and has simple integral structure, convenient operation and use, good stability and high reliability.
Description
Technical Field
The utility model relates to a steam turbine oil system protection field, concretely relates to urgent cutting device of online oil strain equipment.
Background
The existing on-line oil filtering equipment is provided with a filter element differential pressure alarm protection device and an inlet vacuum degree high protection device, but is lack of a leakage protection device on an inlet pipeline and an outlet pipeline. On-line oil filtering equipment generally has a plurality of connecting pipelines and slipknots, and due to the limitation of field conditions, bending stress exists in a part of pipelines, and the pipelines are flexible steel wires, so that leakage risks exist in the pipelines; the connecting pipeline interface is mostly fixed by iron wires or hose clamps, and the fixing mode is not firm; the leakage caused by the pipeline opening or the fixed loosening and the like can exist during the operation of the oil filter, so that the on-site oil filtration monitoring of personnel is needed during the operation of the on-line oil filtration equipment, the operation safety of the oil filter is ensured, and the manpower and material resources are greatly wasted.
At present, oil is filtered by manual on-site monitoring, when leakage occurs, an oil filter cannot be stopped and an entrance door cannot be closed in time, so that oil leakage accidents are caused, and a unit can be stopped in serious cases.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a risk that causes when can effectual reduction oil filter oil strain leaks to guarantee turbo generator set safety and stability's the urgent cutting device of oil strain. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an emergency cut-off device of online oil filtering equipment, which is used for a steam turbine oil system and comprises an oil tank, a flowmeter, an oil filter and a control system; wherein:
optionally or preferably, an oil tank throttle outlet and an oil tank throttle return are arranged on the oil tank, an oil filter outlet door and an oil filter inlet door are arranged on the oil filter, and the oil tank throttle outlet is connected with the oil filter inlet door through a pipeline; an oil return pipeline is arranged between the outlet door of the oil filter and the return accelerator of the oil tank, one end of the oil return pipeline is connected with the outlet door of the oil filter, and the other end of the oil return pipeline is connected with the return door of the oil tank; a flowmeter is arranged on the oil return pipeline; the flowmeter is connected with the input end of the control system; and the accelerator outlet of the oil tank is connected with the output end of the control system.
Optionally or preferably, the tank outlet throttle is a pneumatic valve.
Optionally or preferably, a signal shield is provided on the flow meter.
Based on the technical scheme, the following technical effects can be generated:
the embodiment of the utility model provides a pair of urgent cutting device of online oil strain equipment is applicable to lubricating oil filtration process. The on-line emergency cutting device for the oil filtering equipment has the advantages of simple overall structure, convenient operation and use, good stability and high reliability; the device detects the flow on the oil return pipeline through the flowmeter and transmits a flow signal to the control system for processing, when the flow is lower than a set value, the control system gives an alarm, stops the oil filter and closes an oil outlet door of the oil tank to complete emergency cut-off, so that the risk caused by oil filter leakage of the oil filter is effectively reduced, and the safe and stable operation of the turbo generator set is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an emergency cut-off device of an on-line oil filtering device;
in the figure: 1-an oil tank; 2-oil tank out throttle; 3-returning the accelerator to the oil tank; 4-an oil filter inlet door; 5-outlet door of oil filter; 6-an oil filter; 7-oil return line; 8-flow meter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1:
the utility model provides an emergency cut-off device of online oil filtering equipment, which is used for a steam turbine oil system and comprises an oil tank 1, a flowmeter 8, an oil filter 6 and a control system; wherein:
an oil tank accelerator outlet 2 and an oil tank accelerator return 3 are arranged on the oil tank 1, an oil filter outlet door 5 and an oil filter inlet door 4 are arranged on the oil filter 6, and the oil tank accelerator outlet 2 is connected with the oil filter inlet door 4 through a pipeline; an oil return pipeline 7 is arranged between the outlet door 5 of the oil filter and the return accelerator 3 of the oil tank, one end of the oil return pipeline 7 is connected with the outlet door 5 of the oil filter, and the other end of the oil return pipeline 7 is connected with the return accelerator 3 of the oil tank; a flowmeter is arranged on the oil return pipeline 7; the flowmeter 8 is connected with the input end of the control system; and the oil outlet 2 of the oil tank is connected with the output end of the control system.
Alternatively or preferably, the tank outlet valve 2 is a pneumatic valve.
Optionally or preferably, a signal shield is provided on the flow meter 8.
Alternatively or preferably, the control system is dominated by a PLC.
The embodiment of the utility model provides an in, an online oil strain equipment emergency cut-off device working method as follows: opening an oil tank outlet throttle 2, an oil tank return throttle 3, an oil filter outlet door 5 and an oil filter inlet door 4, starting an oil filter 6, starting a signal shielding device of a flow meter 8 at the moment when the oil filter 6 is just started, waiting for 2-3 minutes of operation because no flow exists in a pipeline at the moment when the oil filter is just started, closing the signal shielding device, and detecting the flow by the flow meter 8 and transmitting a flow signal to a control system; in the normal operation process, the flowmeter 8 can detect a flow signal and the flow is at a normal value, and the equipment operates normally; when leakage occurs, the flow of the oil return pipeline 7 is reduced, the flowmeter 8 detects low flow or no flow and transmits a signal to the control system, and the control system gives an alarm, stops the oil filter 6 and closes the oil outlet 2 of the oil tank to finish emergency cut-off.
Claims (3)
1. The utility model provides an on-line oil strain equipment emergency cut-off device for steam turbine oil system which characterized in that: comprises an oil tank (1), a flowmeter (8), an oil filter (6) and a control system; wherein:
an oil tank accelerator outlet (2) and an oil tank accelerator return (3) are arranged on the oil tank (1), an oil filter outlet door (5) and an oil filter inlet door (4) are arranged on the oil filter (6), and the oil tank accelerator outlet (2) is connected with the oil filter inlet door (4) through a pipeline; an oil return pipeline (7) is arranged between the outlet door (5) of the oil filter and the return accelerator (3) of the oil tank, one end of the oil return pipeline (7) is connected with the outlet door (5) of the oil filter, and the other end of the oil return pipeline (7) is connected with the return accelerator (3) of the oil tank; a flowmeter (8) is arranged on the oil return pipeline (7); the flowmeter (8) is connected with the input end of the control system; the oil outlet valve (2) of the oil tank is connected with the output end of the control system.
2. An on-line oil filtering equipment emergency cut-off device according to claim 1, characterized in that: the oil outlet valve (2) of the oil tank is a pneumatic valve.
3. An on-line oil filtering equipment emergency cut-off device according to claim 1, characterized in that: and a signal shielding device is arranged on the flowmeter (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021930430.0U CN213478408U (en) | 2020-09-07 | 2020-09-07 | Emergency cut-off device of online oil filtering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021930430.0U CN213478408U (en) | 2020-09-07 | 2020-09-07 | Emergency cut-off device of online oil filtering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213478408U true CN213478408U (en) | 2021-06-18 |
Family
ID=76417091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021930430.0U Expired - Fee Related CN213478408U (en) | 2020-09-07 | 2020-09-07 | Emergency cut-off device of online oil filtering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213478408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576542A (en) * | 2022-03-15 | 2022-06-03 | 西安热工研究院有限公司 | Threshold self-learning oil filter pipeline leakage detection and protection device and method |
-
2020
- 2020-09-07 CN CN202021930430.0U patent/CN213478408U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576542A (en) * | 2022-03-15 | 2022-06-03 | 西安热工研究院有限公司 | Threshold self-learning oil filter pipeline leakage detection and protection device and method |
| CN114576542B (en) * | 2022-03-15 | 2023-11-03 | 西安热工研究院有限公司 | Threshold self-learning oil filter pipeline leakage detection and protection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210618 Termination date: 20210907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |