CN113958852A - Pipeline sealing device - Google Patents
Pipeline sealing device Download PDFInfo
- Publication number
- CN113958852A CN113958852A CN202111221278.8A CN202111221278A CN113958852A CN 113958852 A CN113958852 A CN 113958852A CN 202111221278 A CN202111221278 A CN 202111221278A CN 113958852 A CN113958852 A CN 113958852A
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- Prior art keywords
- oil
- section
- main
- dirty
- pool
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N19/00—Lubricant containers for use in lubricators or lubrication systems
- F16N19/003—Indicating oil level
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a pipeline sealing device, which comprises a main oil tank and a dirty oil pool, wherein an oil overflow pipeline is arranged between the main oil tank and the dirty oil pool, the main oil tank is connected with the dirty oil pool through the oil overflow pipeline, a smoke exhaust fan is also arranged on the main oil tank, and a dirty oil pool breathing port is also arranged on the dirty oil pool; the oil overflow pipeline comprises a main oil tank connecting section, a U-shaped pipeline section and a dirty oil pool connecting section, the main oil tank connecting section is connected to a main oil tank, the dirty oil pool connecting section is connected to a dirty oil pool, the U-shaped pipeline section is located between the main oil tank connecting section and the dirty oil pool connecting section, lubricating oil is filled in the U-shaped pipeline section, and an observation window is arranged behind the U-shaped pipeline section of the oil overflow pipeline. The invention can solve the problem that the lubricating oil system of the industrial equipment of the domestic thermal power plant can not maintain the negative pressure of the main oil tank, so that the internal positive pressure is generated when the barring device of the industrial equipment such as a steam turbine operates, and oil smoke can leak to the atmosphere through the barring device.
Description
Technical Field
The invention belongs to the field of industrial lubricating oil pipeline installation, and particularly relates to a pipeline sealing device.
Background
As shown in fig. 1, in a lubricating oil system of domestic industrial equipment of a thermal power plant, a main oil tank 1 is generally designed for storing lubricating oil, the main oil tank 1 is matched with a smoke exhaust fan 5, during the operation of the oil system, a large amount of oil smoke is generated along with the rise of oil temperature, the oil smoke is exhausted to the atmosphere through the pre-designed smoke exhaust fan 5, and the interior of the main oil tank 1 is maintained in a negative pressure state. The main oil tank 1 is designed as a storage container for lubricating oil, and is provided with an oil overflow pipe 4, and when the oil level of the oil tank exceeds the limit, the lubricating oil is discharged through the oil overflow pipe 4. When the oil overflow pipelines 4 are designed and installed, some oil overflow pipelines 4 are connected with a dirty oil tank, and the whole system is in a closed state. Some designs are that the oil is directly discharged to an outdoor dirty oil tank 2, the dirty oil tank 2 is connected with the atmosphere, so that a main oil tank 1 and a lubricating oil system are communicated with the atmosphere, even if a smoke exhaust fan 5 works, negative pressure of the main oil tank 1 cannot be maintained, internal positive pressure is caused when a turning gear of industrial equipment such as a steam turbine operates, oil smoke can leak to the atmosphere through the turning gear, the workshop environment is polluted, the leaked oil smoke can be attached to peripheral thermotechnical electrical equipment, aging failure of precise instruments and components such as accelerated thermal control and electrical equipment is caused, and even abnormal shutdown of operating equipment is caused.
Disclosure of Invention
Therefore, the embodiment of the invention provides a pipeline sealing device to solve the problem that oil smoke can leak to the atmosphere through a barring device due to the fact that the internal positive pressure of industrial equipment such as a barring device of a steam turbine is caused when the lubricating oil system of industrial equipment of a domestic thermal power plant cannot maintain the negative pressure of a main oil tank at present.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a pipeline sealing device comprises a main oil tank and a dirty oil pool, wherein an oil overflow pipeline is arranged between the main oil tank and the dirty oil pool, the main oil tank is connected with the dirty oil pool through the oil overflow pipeline, a smoke exhaust fan is further arranged on the main oil tank, and a dirty oil pool breathing opening is further arranged on the dirty oil pool;
the oil overflow pipeline comprises a main oil tank connecting section, a U-shaped pipeline section and a dirty oil pool connecting section, the main oil tank connecting section is connected to a main oil tank, the dirty oil pool connecting section is connected to a dirty oil pool, the U-shaped pipeline section is located between the main oil tank connecting section and the dirty oil pool connecting section, lubricating oil is filled in the U-shaped pipeline section, and an observation window is arranged behind the U-shaped pipeline section of the oil overflow pipeline.
Preferably, the "U" shaped pipe section consists of four 90 ° bends.
Preferably, the smoke exhaust fan is arranged at the top of the main oil tank.
Preferably, the main tank connection section is connected above the main tank.
Preferably, dirty oil bath linkage segment includes first vertical section, horizontal segment and second vertical section, first vertical section connects on "U" type pipeline section, the observation window is installed in first vertical section, the horizontal segment is in between first vertical section and the second vertical section, the second vertical section connects in the dirty oil bath.
Further preferably, the second vertical section is connected to the top of the dirty oil tank.
The invention has at least the following advantages:
1. the self-sealing of the oil overflow pipeline of the industrial lubricating oil system can be realized through the U-shaped pipe section, the negative pressure state of the main oil tank can be maintained through the smoke exhaust fan when the oil system runs, and the oil smoke in the lubricated device is prevented from being leaked into the atmosphere.
2. When the oil level of the oil tank is regularly checked, whether the oil level of the oil tank exceeds the limit or not can be accurately judged on the spot by utilizing the observation window.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic structural diagram of a lubricating oil system of an existing domestic thermal power plant industrial device;
FIG. 2 is a schematic structural view of a pipe sealing device according to the present invention;
wherein: 1-a main oil tank; 2-a sump oil tank; 3-a breath port of the dirty oil pool; 4-an oil overflow pipeline; 5-smoke exhaust fan; 6-observation window; 7-main tank connection section; 8- "U" type pipe section; 9-sump oil pool connecting section.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2, the present invention provides a technical solution: a pipeline sealing device comprises a main oil tank 1 and a dirty oil pool 2, wherein an oil overflow pipeline 4 is arranged between the main oil tank 1 and the dirty oil pool 2, the main oil tank 1 and the dirty oil pool 2 are connected through the oil overflow pipeline 4, a smoke exhaust fan 5 is further arranged on the main oil tank 1, a dirty oil pool breathing port 3 is further arranged on the dirty oil pool 2, under the condition that the positions of the original main oil tank and the dirty oil pool are not changed, a section of U-shaped pipeline section is manufactured for the oil overflow pipeline 4 by changing the structural form of the oil overflow pipeline 4 and utilizing four 90-degree elbows, the self-sealing of the oil overflow pipeline 4 can be realized, and an observation window 6 is additionally arranged behind the U-shaped pipeline section, the internal state of the oil overflow pipeline 4 can be observed at any time, and whether oil flow overflow occurs or not is determined.
The oil overflow pipeline 4 comprises a main oil tank connecting section 7, a U-shaped pipeline section 8 and a dirty oil pool connecting section 9, the main oil tank connecting section 7 is connected to the main oil tank 1, the dirty oil pool connecting section 9 is connected to the dirty oil pool 2, the U-shaped pipeline section 8 is located between the main oil tank connecting section 7 and the dirty oil pool connecting section 9, lubricating oil is filled in the U-shaped pipeline section 8, and an observation window 6 is arranged behind the U-shaped pipeline section 8 of the oil overflow pipeline 4.
The smoke exhaust fan 5 is arranged at the top of the main oil tank 1.
The main tank connection section 7 is connected above the main tank 1.
Dirty oil pool linkage segment 9 includes first vertical section, horizontal segment and second vertical section, and first vertical section connects on "U" type pipeline section 8, and observation window 6 is installed in first vertical section, and the horizontal segment is in between first vertical section and the second vertical section, and the second vertical section connects in dirty oil pool 2.
The second vertical section is connected to the top of the dirty oil tank 2.
The specific application method comprises the following steps: firstly, through the inside oil spilling hole of main oil tank 1, utilize the oilcan to fill lubricating oil with the U pipeline section, realize this section self sealss effect, at the in-process of oiling, through observation window 6, judge whether fill lubricating oil in the U pipeline section. When the observation window 6 is found to have lubricating oil to flow out, the U pipe section can be confirmed to be filled with the lubricating oil, and the self-sealing effect is realized through the lubricating oil. In the operation process of the smoke exhaust fan, the main oil tank 1 and the interior of the barring device can be kept in a negative pressure state, and oil smoke in the barring device can be exhausted to the atmosphere through the smoke exhaust fan 5, so that the oil smoke is prevented from being leaked from the barring device. When the oil level of the main oil tank 1 reaches the position of the oil overflow hole, the oil can still be discharged through the oil overflow pipeline 4 by means of the self weight of the lubricating oil and the principle of a communicating vessel, and the flowing state and the quality of the lubricating oil can be judged through the observation window 6.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. A pipeline sealing device is characterized by comprising a main oil tank (1) and a dirty oil pool (2), wherein an oil overflow pipeline (4) is arranged between the main oil tank (1) and the dirty oil pool (2), the main oil tank (1) and the dirty oil pool (2) are connected through the oil overflow pipeline (4), the main oil tank (1) is further provided with a smoke exhaust fan (5), and the dirty oil pool (2) is further provided with a dirty oil pool breathing port (3);
the oil overflow pipeline (4) comprises a main oil tank connecting section (7), a U-shaped pipe section (8) and a dirty oil pool connecting section (9), the main oil tank connecting section (7) is connected to the main oil tank (1), the dirty oil pool connecting section (9) is connected to the dirty oil pool (2), the U-shaped pipe section (8) is located between the main oil tank connecting section (7) and the dirty oil pool connecting section (9), lubricating oil is filled in the U-shaped pipe section (8), and an observation window (6) is arranged behind the U-shaped pipe section (8) of the oil overflow pipeline (4).
2. A pipe sealing according to claim 1, characterised in that the "U" -shaped pipe section (8) consists of four 90 ° bends.
3. A pipe sealing arrangement according to claim 1, characterised in that the smoke exhaust fan (5) is arranged on top of the main tank (1).
4. A pipe sealing according to claim 1, characterised in that the main tank connection section (7) is connected above the main tank (1).
5. The pipeline sealing device according to claim 1, wherein the sump connecting section (9) comprises a first vertical section, a horizontal section and a second vertical section, the first vertical section is connected to the U-shaped pipe section (8), the observation window (6) is installed on the first vertical section, the horizontal section is located between the first vertical section and the second vertical section, and the second vertical section is connected to the sump (2).
6. A pipe sealing according to claim 5, characterised in that the second vertical section is attached to the top of the sump (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221278.8A CN113958852A (en) | 2021-10-20 | 2021-10-20 | Pipeline sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221278.8A CN113958852A (en) | 2021-10-20 | 2021-10-20 | Pipeline sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113958852A true CN113958852A (en) | 2022-01-21 |
Family
ID=79465658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111221278.8A Pending CN113958852A (en) | 2021-10-20 | 2021-10-20 | Pipeline sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113958852A (en) |
-
2021
- 2021-10-20 CN CN202111221278.8A patent/CN113958852A/en active Pending
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