CN212269438U - Oil loading and unloading sealing device for oil filling riser - Google Patents
Oil loading and unloading sealing device for oil filling riser Download PDFInfo
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- CN212269438U CN212269438U CN202020759301.3U CN202020759301U CN212269438U CN 212269438 U CN212269438 U CN 212269438U CN 202020759301 U CN202020759301 U CN 202020759301U CN 212269438 U CN212269438 U CN 212269438U
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- recovery pipe
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- sealing
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Abstract
The utility model belongs to the technical field of petrochemical fluid handling equipment, specifically disclose a loading and unloading closing device for oil filling riser, including oil gas recovery pipe and along the sealed cap of oil gas recovery pipe axial sliding connection on oil gas recovery pipe, sealed cap is radius platform form, and sealed cap cavity sets up and lower extreme opening, and sealed cap upper end middle part is equipped with the mounting hole that supplies oil gas recovery pipe to pass through, installs between mounting hole inner wall and the oil gas recovery pipe and is used for sealed first sealing member. Adopt the utility model discloses a scheme can solve the loading and unloading hydraulic fluid port of oil filling riser and train or car and connect inseparably, produces the problem that oil gas leaked easily.
Description
Technical Field
The utility model belongs to the technical field of petrochemical fluid handling equipment, concretely relates to oil loading and unloading closing device for oil filling riser.
Background
The oil filling riser is a special pipeline in the process of loading and unloading fluid in the petrochemical industry at present, and is required to be inserted into an oil loading and unloading port of a train (or an automobile) in the process of loading and unloading oil. Along with the increasing requirements of the country on the environmental protection of oil depots, particularly during oil receiving and dispatching operations in depot areas, oil gas is required not to be directly discharged outwards, namely the oil gas must be recovered to avoid the pollution to the environment, and oil filling pipes are not tightly connected with loading and unloading oil ports of trains or automobiles, so that the oil gas is easy to leak, and the oil gas is difficult to be separately recovered.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to exist among the prior art, the utility model provides a loading and unloading oil obturator is used to oil filling riser to the loading and unloading hydraulic fluid port of solving oil filling riser and train or car is connected inseparably, produces the problem that oil gas leaked easily.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
oil filling and unloading closing device for oil filling and filling riser is including being used for the cover to establish the oil gas recovery pipe outside the oil filling and filling riser and along the sealed cap of oil gas recovery pipe axial sliding connection on oil gas recovery pipe, sealed cap is radius platform form, and sealed cap cavity sets up and lower extreme opening, and sealed cap upper end middle part is equipped with the mounting hole that supplies oil gas recovery pipe to pass through, installs between mounting hole inner wall and the oil gas recovery pipe and is used for sealed first sealing member.
Compared with the prior art, the utility model discloses following beneficial effect has:
according to the degree of depth difference of loading and unloading hydraulic fluid port, the sealing cap can carry out certain slip from top to bottom on oil gas recovery pipe, and the sealing cap receives self action of gravity and can produce the gliding trend, and receives the hindrance of loading and unloading hydraulic fluid port to make the sealing cap can't glide, and the sealing cap can block up at the loading and unloading hydraulic fluid port promptly. The sealing cap is the radius platform form, can adapt to the loading and unloading hydraulic fluid port in different apertures, simultaneously because the dead weight of sealing cap can make the part of the great external diameter of sealing cap insert in the loading and unloading hydraulic fluid port as far as, and then realize the sealed of loading and unloading hydraulic fluid port department.
In addition, sealing cap cavity and lower extreme opening, sealing cap only passes through first sealing member and oil gas recovery pipe connection promptly, when avoiding sealing cap height higher, sealing cap and the great sealing cap that leads to of oil gas recovery pipe connection area do not slide well.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of the embodiment of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1. a loading arm; 2. an oil gas recovery pipe; 3. a gas phase recovery channel; 4. a sealing cap; 5. a sealing plate; 6. a gas phase recovery pipe; 7. a liquid level probe; 8. a stopper plate; 9. a first ring block; 10. a second ring block; 11. connecting blocks; 12. a seal ring; 13. a gasket seal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, and specific embodiments will be given.
As shown in fig. 1, oil filling riser is with loading and unloading closing device, including being used for the cover to establish oil vapor recovery tube 2 outside oil filling riser 1 and along the sealed cap 4 of 2 axial sliding connection on oil vapor recovery tube 2 of oil vapor recovery tube, 2 upper ends of oil vapor recovery tube are equipped with the second sealing member that is used for being connected with oil filling riser 1, the second sealing member is including fixing at 2 upper ends of oil vapor recovery tube and being annular closing plate 5 and fixing the sealing ring at 5 inner walls of closing plate, the rubber material of flexibility is selected for use to the sealing ring, sealing ring inner wall and 1 outer wall fixed connection of oil filling riser. The upper part of the oil gas recovery pipe 2 is communicated with a gas phase recovery pipe 6. During the assembly, establish oil vapor recovery pipe 2 cover outside oil filling riser 1 to make closing plate 5, sealing ring seal the clearance between 2 upper ends of oil vapor recovery pipe and the oil filling riser 1 outer wall, make and form the gaseous phase recovery passageway 3 that supplies the gaseous phase to pass through between 2 inner walls of oil vapor recovery pipe and the oil filling riser 1 outer wall, and gaseous phase recovery pipe 6 and gaseous phase recovery passageway 3 intercommunication, the gaseous phase recovery of can being convenient for.
The sealing cap 4 is in a shape of an inverted circular truncated cone, the taper range of the sealing cap 4 is 0.1-0.5, when in actual design, the outer diameter of the upper end of the sealing cap 4 can be larger than the maximum aperture of the loading and unloading oil port of the train (or automobile) to which the oil filling riser 1 needs to be adapted, and the outer diameter of the lower end of the sealing cap 4 can be smaller than the minimum aperture of the loading and unloading oil port of the train (or automobile) to which the oil filling riser 1 needs to be adapted, namely the sealing cap 4 can be suitable for sealing the loading and unloading oil port within a certain aperture range, under the condition that the outer diameters of the upper end and the lower end of the sealing cap 4 are determined, the higher the height of the sealing cap 4 is, the smaller the taper of.
The sealing cap 4 is hollow and has an opening at the lower end, a mounting hole for the oil gas recovery pipe 2 to pass through is arranged in the middle of the upper end of the sealing cap 4, a first sealing element for sealing is arranged between the inner wall of the mounting hole and the oil gas recovery pipe 2, as shown in fig. 2, the first sealing element comprises a connecting block 11 which is arranged in the mounting hole and is annular, the inner wall of the connecting block 11 is slidably connected with the outer wall of the oil gas recovery pipe 2, the connecting block 11 is detachably connected with the sealing cap 4, concretely, the connecting block 11 comprises a second annular block 10 of which the first annular block 9 is arranged at the lower end of the first annular block 9, the inner diameters of the first annular block 9 and the second annular block 10 are the same, the first annular block 9 is arranged in the mounting hole and is abutted against the inner wall of the mounting hole, the outer diameter of the second annular block 10 is larger than that of the first, The second ring block 10 is fixed by bolts.
The inner walls of the first annular block 9 and/or the second annular block 10 are provided with annular grooves, in this embodiment, the inner wall of the second annular block 10 is provided with a groove, a sealing ring 12 is fixed in the groove, in this embodiment, the sealing ring 12 is a Y-shaped sealing ring, and the inner wall of the sealing ring 12 abuts against the outer wall of the oil gas recovery pipe 2.
Be fixed with liquid level probe 7 on the sealed cap 4, in the in-service use process, also can choose for use level sensor, liquid level probe 7 is fixed in the upper end of sealed cap 4, and the lower extreme of liquid level probe 7 passes the inner chamber of sealed cap 4 and stretches out the lower extreme of sealed cap 4, and the loading and unloading in-process promptly, liquid level probe 7 can stretch into the loading and unloading hydraulic fluid port and detect the liquid level, and at the oil loading in-process, liquid level probe 7 can stop the oil loading after detecting certain liquid level.
In the initial state, the sealing cap 4 is positioned at the lower end of the oil gas recovery pipe 2 under the action of self weight, namely, the stop plate 8 at the lower end of the oil gas recovery pipe 2 limits the sealing cap 4. When loading and unloading oil operation, oil filling riser 1 need insert the loading and unloading mouth of train or car in, then this device (sealing cap 4 and oil gas recovery pipe 2) of installing on oil filling riser 1 all inserts in the loading and unloading mouth along with oil filling riser 1, after sealing cap 4 and loading and unloading mouth contact, continue to insert oil filling riser 1 downwards, oil gas recovery pipe 2 also gets into the loading and unloading mouth, sealing cap 4 receives the effect of loading and unloading mouth and can't get into completely in the loading and unloading mouth, then sealing cap 4 and oil gas recovery pipe 2 relative slip, the degree of depth according to loading and unloading mouth is different, oil gas recovery pipe 2 can get into the degree of depth difference of loading and unloading mouth.
The sealing cap 4 receives self action of gravity can produce the gliding trend, and receives the hindrance of loading and unloading hydraulic fluid port and makes the unable gliding of sealing cap 4, and sealing cap 4 blocks up promptly at the loading and unloading hydraulic fluid port, because sealing cap 4's dead weight, can make the part of the great external diameter of sealing cap 4 insert in the loading and unloading hydraulic fluid port as far as, and then realize the sealed of loading and unloading hydraulic fluid port department.
In the loading and unloading oil process, the oil phase flows through the oil filling riser 1, the gas phase enters the gas phase recovery channel 3 through the oil gas recovery pipe 2, the second sealing element is used for sealing the upper end of the oil gas recovery pipe 2, the gas phase is prevented from escaping, the gas phase is finally discharged through the gas phase recovery pipe 6, and then the oil gas is respectively recovered.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. Oil loading and unloading closing device for oil filling riser, its characterized in that: including being used for the cover to establish the oil gas recovery pipe outside the crane pipe and along the sealed cap of oil gas recovery pipe axial sliding connection on oil gas recovery pipe, sealed cap is radius platform form, and sealed cap cavity sets up and the lower extreme opening, and sealed cap upper end middle part is equipped with the mounting hole that supplies oil gas recovery pipe to pass through, installs between mounting hole inner wall and the oil gas recovery pipe and is used for sealed first sealing member.
2. The oil loading and unloading closing device for the crane pipe according to claim 1, wherein: the first sealing element comprises a sealing ring arranged in the mounting hole, and the inner wall of the sealing ring is abutted to the outer wall of the oil gas recovery pipe.
3. The oil loading and unloading closing device for the crane pipe according to claim 2, wherein: first sealing member is still including being annular connecting block, connecting block and oil gas recovery pipe sliding connection, and the connection can be dismantled with sealed cap to the connecting block, and the connecting block inner wall is equipped with annular recess, and the sealing washer is fixed in the recess.
4. The oil loading and unloading closing device for the crane pipe according to claim 3, wherein: the connecting block comprises a second annular block, wherein the first annular block is located at the lower end of the first annular block, the inner diameter of the first annular block is consistent with that of the second annular block, the first annular block is located in the mounting hole and abuts against the inner wall of the mounting hole, the outer diameter of the second annular block is larger than that of the first annular block, the second annular block is detachably connected with the sealing cap, and the groove is formed in the inner wall of the first annular block or the second annular block.
5. The oil loading and unloading closing device for the crane pipe according to claim 4, wherein: and a sealing gasket is fixed between the upper end of the second annular block and the sealing cap.
6. The oil loading and unloading closing device for the crane pipe according to claim 1, wherein: the upper end of the oil gas recovery pipe is provided with a second sealing element used for being connected with a crane pipe, and the upper part of the oil gas recovery pipe is communicated with a gas phase recovery pipe.
7. The oil loading and unloading closing device for the crane pipe according to claim 1, wherein: and a liquid level probe is fixed on the sealing cap.
8. The oil loading and unloading closing device for the crane pipe according to claim 7, wherein: the liquid level probe is fixed at the upper end of the sealing cap, and the lower end of the liquid level probe penetrates through the inner cavity of the sealing cap and extends out of the lower end of the sealing cap.
9. The oil loading and unloading sealing device for crane pipe according to any one of claims 1-8, characterized in that: the taper range of the sealing cap is 0.1-0.5.
10. The oil loading and unloading sealing device for crane pipe according to any one of claims 1-8, characterized in that: annular stop plates are fixed at the upper end and the lower end of the oil gas recovery pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020759301.3U CN212269438U (en) | 2020-05-09 | 2020-05-09 | Oil loading and unloading sealing device for oil filling riser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020759301.3U CN212269438U (en) | 2020-05-09 | 2020-05-09 | Oil loading and unloading sealing device for oil filling riser |
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| Publication Number | Publication Date |
|---|---|
| CN212269438U true CN212269438U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020759301.3U Active CN212269438U (en) | 2020-05-09 | 2020-05-09 | Oil loading and unloading sealing device for oil filling riser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115504427A (en) * | 2022-11-24 | 2022-12-23 | 隆讯汽车智能科技(山东)有限公司 | Sealed loading and unloading device for crude oil tank truck |
-
2020
- 2020-05-09 CN CN202020759301.3U patent/CN212269438U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115504427A (en) * | 2022-11-24 | 2022-12-23 | 隆讯汽车智能科技(山东)有限公司 | Sealed loading and unloading device for crude oil tank truck |
| CN115504427B (en) * | 2022-11-24 | 2023-02-07 | 隆讯汽车智能科技(山东)有限公司 | Sealed loading and unloading device for crude oil tank truck |
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