CN216159981U - LNG pump pond liquid level measurement structure - Google Patents
LNG pump pond liquid level measurement structure Download PDFInfo
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- CN216159981U CN216159981U CN202122181398.1U CN202122181398U CN216159981U CN 216159981 U CN216159981 U CN 216159981U CN 202122181398 U CN202122181398 U CN 202122181398U CN 216159981 U CN216159981 U CN 216159981U
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- pump pool
- liquid level
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Abstract
The utility model provides a liquid level measuring structure of an LNG pump pool, which meets the use requirement, and has the advantages of simple structure, convenience in installation and low manufacturing cost. It includes pump pond, radar level gauge, and the pump pond upper cover is equipped with pump pond lid, its characterized in that, it still includes: a first adapter tube; a second adapter tube; bending the pipe; a vortex-preventing baffle; the first connecting pipe penetrates through the pump pool cover, the upper part of the first connecting pipe is exposed out of the pump pool cover, and the upper part of the first connecting pipe is connected with the radar liquid level meter; the second connecting pipe is fixedly connected to the inner wall of the pump pool, the lower end of the second connecting pipe extends to the bottom area of the pump pool, the lower end of the second connecting pipe is connected with an elbow, an anti-vortex baffle is fixedly arranged at the inlet of the elbow, the upper part of the second connecting pipe is higher than the liquid level of the pump pool, and a space is reserved between the upper part of the second connecting pipe and the lower surface of the pump pool cover; the lower end of the first connecting pipe faces to the upper opening of the upper portion of the second connecting pipe, and the first connecting pipe and the second connecting pipe are coaxially arranged.
Description
Technical Field
The utility model relates to the technical field of LNG pump pool structures, in particular to an LNG pump pool liquid level measurement structure.
Background
LNG (liquefied natural gas) is a widely used high-efficiency clean energy, and an LNG immersed pump and an LNG pump pool provided with the immersed pump are key equipment for LNG transportation. The key factor of the LNG immersed pump is to maintain the correct liquid level height, so that the LNG liquid level of the pump pool is a necessary monitoring parameter.
The radar liquid level meter is a measuring instrument based on a time travel principle, a probe sends out high-frequency pulses which are transmitted in space at the speed of light, the high-frequency pulses are reflected back to be received by a receiver in the instrument when encountering the surface of a material, and distance signals are converted into level signals. The states of starting and closing the immersed pump and the like can cause the severe fluctuation of the LNG liquid in the pump pool, so that the liquid level of the LNG in the pump pool is kept calm, the fluctuation of the liquid level is reduced as much as possible, and the continuous and correct monitoring data is influenced in a crucial way.
At present, the LNG pump pond in the trade uses radar level gauge measurement's structure to have two kinds, one is that install the level gauge in the level gauge takeover on the pump cover, and the other end of takeover directly passes the pump cover and communicates with each other with the pump pond, and its simple structure, nevertheless because can't reduce the liquid level and fluctuate, consequently can not obtain accurate monitoring data. The other measuring structure can well meet the use requirements, but the structure is too complex, and the manufacturing cost is high.
Therefore, an LNG pump pool liquid level measuring structure with a simple structure is urgently needed.
Disclosure of Invention
Aiming at the problems, the utility model provides an LNG pump pool liquid level measuring structure which meets the use requirements, is simple in structure, convenient to install and low in manufacturing cost.
The utility model provides a LNG pump pond level measurement structure, its technical scheme is such, and it includes pump pond, radar level gauge, pump pond upper cover is equipped with pump pond lid, its characterized in that, and it still includes:
a first adapter tube;
a second adapter tube;
bending the pipe;
a vortex-preventing baffle;
the first connecting pipe penetrates through the pump pool cover, the upper part of the first connecting pipe is exposed out of the pump pool cover, and the upper part of the first connecting pipe is connected with the radar liquid level meter;
the second connecting pipe is fixedly connected to the inner wall of the pump pool, the lower end of the second connecting pipe extends to the bottom area of the pump pool, the lower end of the second connecting pipe is connected with an elbow, the vortex-preventing baffle is fixedly arranged at the inlet of the elbow, the upper part of the second connecting pipe is higher than the liquid level of the pump pool, and a space is reserved between the upper part of the second connecting pipe and the lower surface of the pump pool cover;
the lower end of the first connecting pipe faces the upper opening of the upper portion of the second connecting pipe, and the first connecting pipe and the second connecting pipe are coaxially arranged.
It is further characterized in that:
the second connecting pipe is welded and connected with the inner wall of the pump pool, so that stable and reliable connection is ensured;
the upper part of the first connecting pipe is connected with the radar liquid level meter through a connecting flange;
the periphery of the upper part of the pump pool is provided with a supporting side convex ring, and the pump pool cover is covered on the supporting side convex ring, so that the pump pool cover is fast and convenient to install and reliable in sealing.
After the technical scheme is adopted, due to the principle of the communicating vessel, the liquid level height of the second connecting pipe is consistent with the liquid level height in the pump pool, LNG enters the LNG pump pool through the liquid inlet of the pump pool before the LNG immersed pump is started, the liquid inlet speed is high, the liquid level in the pump pool is caused to fluctuate continuously, and the liquid level in the second connecting pipe is relatively calm due to the small inner section of the second connecting pipe, so that the liquid level height in the pump pool can be accurately monitored, and the successful start of the immersed pump is ensured; after the LNG immersed pump is started, LNG in the pump pool is continuously output from the immersed pump through the pump pool liquid outlet, meanwhile, LNG is continuously input from the pump pool liquid inlet, liquid in the pump pool rapidly flows under the action of the immersed pump, severe fluctuation of the liquid level in the pump pool is caused, and a vortex effect is generated; it satisfies the operation requirement, and simple structure is convenient for install, low in manufacturing cost.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of a portion I of FIG. 1;
FIG. 3 is a schematic view of section A-A of FIG. 2;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises a pump pool 100, a radar liquid level meter 1, a connecting flange 2, a first connecting pipe 3, a second connecting pipe 4, an elbow 5, a vortex-proof baffle 6, a pump pool liquid outlet 7, a pump pool cover 8, a supporting side convex ring 9, a pump pool liquid inlet 10 and an LNG immersed pump 11.
Detailed Description
An LNG pump pool liquid level measurement structure is shown in figures 1-3 and comprises a pump pool 100 and a radar liquid level meter 1, wherein a pump pool cover 8 is covered on the pump pool 100, and the LNG pump pool liquid level measurement structure also comprises a first connecting pipe 3, a second connecting pipe 4, an elbow 5 and a vortex-proof baffle 6;
the first connecting pipe 3 penetrates through the pump pool cover 8, the upper part of the first connecting pipe 3 is exposed out of the pump pool cover 8, and the upper part of the first connecting pipe 3 is connected with the radar liquid level meter 1;
the pump pool 100 also comprises a pump pool liquid outlet 7, a pump pool liquid inlet 10 and an LNG immersed pump 11;
the second connecting pipe 4 is fixedly connected to the inner wall of the pump pool 100, the lower end of the second connecting pipe 4 extends to the bottom area of the pump pool 100, the lower end of the second connecting pipe 4 is connected with an elbow 5 in a welding mode, an inlet of the elbow 5 is fixedly provided with a vortex-proof baffle 6, the upper portion of the second connecting pipe 4 is higher than the liquid level of the pump pool 100, and a space is reserved between the upper portion of the second connecting pipe 4 and the lower surface of the pump pool cover 8;
the lower end of the first connecting pipe 3 is arranged towards the upper opening of the upper part of the second connecting pipe 4, and the first connecting pipe 3 and the second connecting pipe 4 are coaxially arranged.
In the specific implementation:
the second connecting pipe 4 is welded and connected with the inner wall of the pump pool 100, so that stable and reliable connection is ensured;
the first connecting pipe 3 is welded with the pump pool cover 8, and the lower end of the first connecting pipe 3 is communicated with the cavity of the pump pool 100;
the upper part of the first connecting pipe 3 is connected with a radar liquid level meter 1 through a connecting flange 2;
the periphery of the upper part of the pump pool 100 is provided with a supporting side convex ring 9, and the pump pool cover 8 is covered on the supporting side convex ring 9, so that the pump pool cover 8 is ensured to be installed quickly and conveniently, and the sealing is reliable.
The working principle is as follows, because of the principle of the communicating vessel, the liquid level height of the second connecting pipe is consistent with the liquid level height in the pump pool, before the LNG immersed pump is started, LNG enters the LNG pump pool through the liquid inlet of the pump pool, the liquid inlet speed is high, the liquid level in the pump pool is caused to fluctuate continuously, and because the inner section of the second connecting pipe is small, the liquid level in the second connecting pipe is relatively calm, the liquid level height in the pump pool can be accurately monitored, and the successful start of the immersed pump is ensured; after the LNG immersed pump is started, LNG in the pump pool is continuously output from the immersed pump through the pump pool liquid outlet, meanwhile, LNG is continuously input from the pump pool liquid inlet, liquid in the pump pool rapidly flows under the action of the immersed pump, severe fluctuation of the liquid level in the pump pool is caused, and a vortex effect is generated; it satisfies the operation requirement, and simple structure is convenient for install, low in manufacturing cost.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a LNG pump pond level measurement structure, its includes pump pond, radar level gauge, pump pond upper cover is equipped with pump pond lid, its characterized in that, it still includes:
a first adapter tube;
a second adapter tube;
bending the pipe;
a vortex-preventing baffle;
the first connecting pipe penetrates through the pump pool cover, the upper part of the first connecting pipe is exposed out of the pump pool cover, and the upper part of the first connecting pipe is connected with the radar liquid level meter;
the second connecting pipe is fixedly connected to the inner wall of the pump pool, the lower end of the second connecting pipe extends to the bottom area of the pump pool, the lower end of the second connecting pipe is connected with an elbow, the vortex-preventing baffle is fixedly arranged at the inlet of the elbow, the upper part of the second connecting pipe is higher than the liquid level of the pump pool, and a space is reserved between the upper part of the second connecting pipe and the lower surface of the pump pool cover;
the lower end of the first connecting pipe faces the upper opening of the upper portion of the second connecting pipe, and the first connecting pipe and the second connecting pipe are coaxially arranged.
2. The LNG pump pool level measurement structure of claim 1, wherein: the second connecting pipe is connected with the inner wall of the pump pool in a welding mode.
3. The LNG pump pool level measurement structure of claim 1, wherein: the upper part of the first connecting pipe is connected with the radar liquid level meter through a connecting flange.
4. The LNG pump pool level measurement structure of claim 1, wherein: and a supporting side convex ring is arranged on the periphery of the upper part of the pump pool, and the pump pool cover is covered on the supporting side convex ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122181398.1U CN216159981U (en) | 2021-09-08 | 2021-09-08 | LNG pump pond liquid level measurement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122181398.1U CN216159981U (en) | 2021-09-08 | 2021-09-08 | LNG pump pond liquid level measurement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216159981U true CN216159981U (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122181398.1U Active CN216159981U (en) | 2021-09-08 | 2021-09-08 | LNG pump pond liquid level measurement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216159981U (en) |
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2021
- 2021-09-08 CN CN202122181398.1U patent/CN216159981U/en active Active
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