CN220012141U - Residual liquid emptying mechanism for eliminating siphon action of oil filling riser - Google Patents
Residual liquid emptying mechanism for eliminating siphon action of oil filling riser Download PDFInfo
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- CN220012141U CN220012141U CN202321097597.7U CN202321097597U CN220012141U CN 220012141 U CN220012141 U CN 220012141U CN 202321097597 U CN202321097597 U CN 202321097597U CN 220012141 U CN220012141 U CN 220012141U
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- pipe
- oil filling
- filling riser
- oil
- blow
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- 239000007788 liquid Substances 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 230000009471 action Effects 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 22
- 238000011084 recovery Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims 4
- 239000003921 oil Substances 0.000 description 107
- 239000010410 layer Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010734 process oil Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model discloses a residual liquid emptying mechanism for eliminating the siphon action of an oil filling riser, which comprises an inner pipe (4) and is characterized in that: be equipped with oil feed pipe (7) on inner tube (4), the top of inner tube (4) is equipped with maze passageway blow-down pipe (5), maze passageway blow-down pipe (5) upper portion is equipped with through-hole A (9), and lower part and inner tube (4) inner chamber intercommunication, the pipe wall of inner tube (4) are equipped with communication hole (10) that correspond with through-hole A (9), communicate inside with inner tube (4) outside through-hole A (9) and communication hole (10).
Description
Technical Field
The utility model belongs to the field of oil filling facilities of oil tank trucks, and particularly relates to a residual liquid emptying mechanism for eliminating siphoning effect of oil filling riser.
Background
The oil tank truck is filled with oil by using the oil filling riser, the oil filling riser is provided with a sealing cover for sealing the tank mouth in order to meet the requirement of environmental protection, and the oil tank truck is also provided with a gas recovery pipe for recovering volatilized gas, and the oil tank truck is filled with oil under the liquid.
When tank truck oil filling is finished, the inner part of the pipe body of the oil filling riser immersed under the liquid level is filled with liquid due to the increase of the pressure in the tank truck oil filling riser, and the liquid in the pipe body is not easy to be discharged from the pipe body under the action of negative pressure, so that the condition that the liquid in the pipe body is slowly discharged in the process of lifting the oil filling riser can exist, and the waste of oil products and the environmental pollution are caused.
The oil filling riser body needs to be inserted into the tank wagon for filling oil, the whole process oil filling riser body is immersed under the liquid level, when the oil filling is finished, siphonage phenomenon is generated, namely, the oil filling riser body immersed under the liquid level is filled with liquid, vacuum is generated on the upper portion of the oil filling riser body, when the oil filling riser is lifted upwards, the oil filling riser body can suck up the oil filled in the tank wagon under the action of negative pressure, the oil reserved in the oil filling riser body can be slowly released under the action of gravity, when the oil filling riser leaves a tank opening, the oil possibly can be scattered outside the tank body, not only the oil is wasted, but also the environment is polluted, and the loss caused by siphonage residual liquid in the oil filling riser body is remarkable every year.
Therefore, the utility model provides a residual liquid emptying mechanism which has simple structure, does not need a sealing device, is maintenance-free and can eliminate the siphon effect of the oil filling riser.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a residual liquid emptying mechanism which has a simple structure, does not need a sealing device, is maintenance-free and can eliminate the siphon effect of an oil filling riser.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides an eliminate raffinate blowdown mechanism of oil loading arm siphon effect, contains inner tube 4, its characterized in that: the inner pipe 4 is provided with an oil inlet pipe 7, a labyrinth passage blow-down pipe 5 is arranged above the inner pipe 4, a through hole A9 is arranged on the upper portion of the labyrinth passage blow-down pipe 5, the lower portion is communicated with the inner cavity of the inner pipe 4, the pipe wall of the inner pipe 4 is provided with a communication hole 10 corresponding to the through hole A9, and the inner part of the inner pipe 4 is communicated with the outside through the through hole A9 and the communication hole 10.
The labyrinth passage blow-down pipe 5 is tubular.
A plurality of baffles 8 are arranged in the labyrinth passage blow-down pipe 5, and the baffles 8 are arranged in a staggered manner to form an S-shaped passage.
The baffle 8 does not completely enclose the channel.
The labyrinth passage blow-down pipe 5 is arranged above the inlet of the oil inlet pipe 7.
Still be equipped with outer tube (3), inner tube (4) cup joint and form intermediate layer space (6) with outer tube (3), and inner tube (4) are established in outer tube (3) promptly, and labyrinth passageway blow-down pipe (5) set up in the upper portion of inner tube (4), be equipped with gas recovery pipe (2) on outer tube (3).
The utility model provides an eliminate raffinate emptying mechanism of oil loading arm siphon effect which characterized in that: contain sealed lid 1, inner tube 4 and outer tube 3 cup joint and form intermediate layer space 6, and inner tube 4 establishes in outer tube 3 promptly, the one end of outer tube 3 is fixed on sealed lid 1, and intermediate layer space 6 communicates with the opposite side of sealed lid 1, inner tube 4 then runs through sealed lid 1, be equipped with gas recovery pipe 2 on the outer tube 3, be equipped with oil feed pipe 7 on the inner tube 4, the upper portion of inner tube 4 is equipped with maze passageway blow-down pipe 5, maze passageway blow-down pipe 5 communicates inner tube 4 space and intermediate layer space 6.
As a modification, the labyrinth passage blow-down pipe 5 is provided on the inner pipe 4.
As a modification, the inner tube 4 at the lower part of the sealing gland 1 is a tube body immersed part immersed in the liquid.
As an improvement, a plurality of baffles 8 are arranged in the labyrinth passage blow-down pipe 5, and the baffles 8 are arranged in a staggered way to form an S-shaped passage.
As a modification, a labyrinth passage blow-down pipe 5 is provided above the inlet of the oil inlet pipe 7.
The oil filling riser body needs to be inserted into the tank wagon for filling oil, the whole process oil filling riser body is immersed under the liquid level, siphonage phenomenon can be generated when the oil filling riser body is completed, vacuum is generated on the upper portion of the oil filling riser body, when the oil filling riser body is lifted upwards, the oil filling riser body can suck up the oil for filling the oil, the oil retained in the oil filling riser body can be slowly released under the action of gravity, when the oil filling riser body leaves a tank opening, the oil can be scattered outside the tank body, the oil waste is caused, the environment pollution is also caused, and the loss caused by siphonage residual liquid in the oil filling riser body is remarkable every year.
When in actual use, the method comprises the following steps: in order to eliminate the siphon phenomenon in the oil filling riser body, a vacuum breaking valve is generally adopted in China, the vacuum breaking valve is generally arranged on a liquid phase pipeline, a sealing device is needed to be used by using the vacuum breaking valve, the structure is complex, the maintenance is difficult, when oil filling is finished, a vacuum valve core is sucked by negative pressure in the oil filling riser in vacuum, the siphon in the oil filling riser is eliminated, the vacuum valve core is reset by a spring, a sealing element is arranged on the vacuum valve core, and when the sealing element is broken or a reset spring fails, oil in the oil filling riser can be leaked. A section of labyrinth channel blow-down pipe is designed at the upper end of the inner part of the oil filling pipe, the upper end of the blow-down pipe is communicated with an inner pipe or an interlayer and a gas phase pipeline of the sealed oil filling pipe, when oil filling is finished, external air can rapidly enter the inner pipe through the hole to destroy the siphon action in the oil filling pipe, and residual liquid is instantaneously blown down when the oil filling pipe is lifted. A plurality of labyrinth baffles are arranged in the blow-down pipe to ensure that oil in the pipe cannot leak outwards. The oil gas generated in the sealed oil filling tank of the oil filling riser is led to the oil gas recovery system from the gas recovery pipe through the interlayer of the oil filling riser, so that the environmental pollution is avoided. The blow-down pipe with the labyrinth channel has the advantages that a sealing piece is not needed, maintenance is not needed, the siphon effect generated in the oil filling riser can be quickly eliminated, and the waste and the environmental pollution are avoided.
Compared with the prior art, the utility model has the advantages of simple structure, no maintenance, convenient use and the like.
Drawings
FIG. 1 is a schematic cross-sectional view of a first embodiment of the present utility model.
Fig. 2 is a schematic cross-sectional view of a second embodiment of the present utility model.
The figure shows: the sealing cover is characterized in that the sealing cover is 1, the gas recovery pipe is 2, the outer pipe is 3, the inner pipe is 4, the labyrinth passage blow-down pipe is 5, the interlayer space is 6, the oil inlet pipe is 7, the baffle is 8, the through hole A is 9, and the communication hole is 10.
Detailed Description
The foregoing is further elaborated by the following examples, it being evident that the examples described are only some, but not all, of the examples of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1, in order to provide a schematic structural diagram of embodiment 1 of the present utility model, this embodiment discloses a residual liquid emptying mechanism for eliminating siphoning effect of oil filling riser, which is characterized in that: contain sealed lid 1, inner tube 4 and outer tube 3, inner tube 4 establishes in outer tube 3 promptly, inner tube 4 cup joints and forms intermediate layer space 6 with outer tube 3, the lower extreme of outer tube 3 is fixed on sealed lid 1 middle through-hole, inner tube 4 then runs through sealed lid 1, be equipped with gas recovery pipe 2 on the outer tube 3, be equipped with into oil pipe 7 on the inner tube 4, the upper portion of inner tube 4 inner wall is equipped with maze passageway blow-down pipe 5, maze passageway blow-down pipe 5 communicates inner tube 4 space and intermediate layer space 6.
As a modification, the labyrinth passage blow-down pipe 5 is provided on the inner wall of the inner pipe 4.
As a modification, the inner tube 4 at the lower end of the sealing cover 1 is a tube body immersed portion immersed in the liquid.
As an improvement, a plurality of baffles 8 are arranged in the labyrinth passage blow-down pipe 5, and the baffles 8 incompletely seal the passage and are arranged in a staggered way to form an S-shaped passage.
As an improvement, the labyrinth passage blow-down pipe 5 is arranged above the inlet of the oil inlet pipe 7 on the inner wall of the inner pipe 4.
The oil filling riser body needs to be inserted into the tank wagon for filling oil, the whole process oil filling riser body is immersed under the liquid level, vacuum is generated on the upper portion of the oil filling riser body when the oil filling riser body is completed, siphonage occurs, the oil filling riser body can suck up the oil for filling the oil under the action of siphonage, the oil reserved in the oil filling riser body can be slowly released under the action of gravity, and when the oil filling riser body leaves a tank opening, the oil possibly can be scattered outside the tank body, so that the oil is wasted, the environment is polluted, and the loss caused by siphonage residual liquid in the oil filling riser body is remarkable every year.
When in actual use, the method comprises the following steps: in order to eliminate the siphon phenomenon in the oil filling riser body, a vacuum breaking valve is generally adopted in China, the vacuum breaking valve is generally arranged on a liquid phase pipeline, a sealing device is needed to be used by using the vacuum breaking valve, the structure is complex, the maintenance is difficult, when oil filling is finished, a vacuum valve core is sucked by negative pressure in the oil filling riser in vacuum, the siphon in the oil filling riser is eliminated, the vacuum valve core is reset by a spring, a sealing element is arranged on the vacuum valve core, and when the sealing element is broken or a reset spring fails, oil in the oil filling riser can be leaked.
The utility model designs a section of labyrinth channel blow-down pipe in the upper end of the oil filling pipe, the upper end of the blow-down pipe is communicated with a jacket gas phase pipeline of the sealed oil filling pipe, a certain oil gas back pressure is generated in the tank truck when the sealed oil filling pipe is filled with oil, the interlayer space of the oil filling pipe can lead the collected oil gas to an oil gas recovery system through a gas recovery pipe to recover the oil gas, a labyrinth baffle is arranged in the blow-down pipe, when the oil filling is finished, the vacuum suction in the oil filling pipe is eliminated, the oil product can not leak outwards, and the blow-down pipe has the advantages that a sealing piece is not needed, maintenance is not needed, the siphon phenomenon generated in the oil filling pipe filled with oil can be well solved, and the waste and the pollution to the environment are avoided.
Claims (8)
1. The residual liquid emptying mechanism for eliminating the siphoning effect of the oil filling riser comprises an inner pipe (4), and is characterized in that: be equipped with oil feed pipe (7) on inner tube (4), the top of inner tube (4) is equipped with maze passageway blow-down pipe (5), maze passageway blow-down pipe (5) upper portion is equipped with through-hole A (9), and lower part and inner tube (4) inner chamber intercommunication, the pipe wall of inner tube (4) are equipped with communication hole (10) that correspond with through-hole A (9), communicate inside with inner tube (4) outside through-hole A (9) and communication hole (10).
2. The residual liquid discharging mechanism for eliminating siphon action of oil filling riser as defined in claim 1, wherein: the labyrinth passage blow-down pipe (5) is tubular.
3. The residual liquid discharging mechanism for eliminating siphon action of oil filling riser as defined in claim 1, wherein: a plurality of baffles (8) are arranged in the labyrinth passage blow-down pipe (5), and the baffles (8) are arranged in a staggered mode to form an S-shaped passage.
4. The residual liquid discharging mechanism for eliminating siphon action of oil filling riser as defined in claim 1, wherein: the labyrinth passage blow-down pipe (5) is arranged above the inlet of the oil inlet pipe (7).
5. The residual liquid discharging mechanism for eliminating siphon action of oil filling riser as defined in claim 1, wherein: still be equipped with outer tube (3), inner tube (4) cup joint and form intermediate layer space (6) with outer tube (3), and inner tube (4) are established in outer tube (3) promptly, and labyrinth passageway blow-down pipe (5) set up in the upper portion of inner tube (4), be equipped with gas recovery pipe (2) on outer tube (3).
6. The residual liquid draining mechanism for eliminating siphoning of oil filling riser according to claim 5, wherein: the sealing device is provided with a sealing cover (1), the inner pipe (4) penetrates through the sealing cover (1), the outer pipe (3) is fixed on the sealing cover (1), namely, two ends of the inner pipe (4) are respectively arranged on two sides of the sealing cover (1), and the inner pipe (4) on the other side of the sealing cover (1) is a pipe body immersed part immersed in liquid.
7. The residual liquid draining mechanism for eliminating siphoning of oil filling riser according to claim 5, wherein: a plurality of baffles (8) are arranged in the labyrinth passage blow-down pipe (5), and the baffles (8) are arranged in a staggered manner to form an S-shaped passage.
8. The residual liquid draining mechanism for eliminating siphoning of oil filling riser according to claim 5, wherein: the labyrinth passage blow-down pipe (5) is arranged above the inlet of the oil inlet pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321097597.7U CN220012141U (en) | 2023-05-08 | 2023-05-08 | Residual liquid emptying mechanism for eliminating siphon action of oil filling riser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321097597.7U CN220012141U (en) | 2023-05-08 | 2023-05-08 | Residual liquid emptying mechanism for eliminating siphon action of oil filling riser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220012141U true CN220012141U (en) | 2023-11-14 |
Family
ID=88679787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321097597.7U Active CN220012141U (en) | 2023-05-08 | 2023-05-08 | Residual liquid emptying mechanism for eliminating siphon action of oil filling riser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220012141U (en) |
-
2023
- 2023-05-08 CN CN202321097597.7U patent/CN220012141U/en active Active
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