CN216619364U - LNG storage tank with stop valve pump well - Google Patents
LNG storage tank with stop valve pump well Download PDFInfo
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- CN216619364U CN216619364U CN202122786660.5U CN202122786660U CN216619364U CN 216619364 U CN216619364 U CN 216619364U CN 202122786660 U CN202122786660 U CN 202122786660U CN 216619364 U CN216619364 U CN 216619364U
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- pump well
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Abstract
The utility model discloses an LNG storage tank with a stop valve pump well, which comprises a storage tank, wherein the inner side of the storage tank is provided with the pump well, and the bottom surface of the inner side of the pump well is fixedly provided with an immersed pump; according to the utility model, the probe of the natural gas detector penetrates through the through hole and extends to the inner side of the pump well, the mounting plate welded on the surface of the lower part of the natural gas detector is enabled to be attached to the top surface of the well cover through the rubber pad, then the bolt penetrates through the mounting plate and extends into the threaded groove correspondingly formed in the surface of the well cover, the sealed mounting of the natural gas detector and the well cover is realized, the real-time monitoring of the natural gas content in the pump well is facilitated, the stop valve is conveniently closed by a worker for maintenance, meanwhile, the well cover is rotated through the hand lever, the threaded ring of the well cover is enabled to be in threaded connection with the port of the pump well, a plurality of rubber rings embedded and mounted on the top surface of the pump well are enabled to be abutted against the bottom surface of the well cover, the sealing effect of the pump well is increased, and the potential safety hazard caused by natural gas leakage in the pump well is reduced.
Description
Technical Field
The utility model relates to the technical field of natural gas storage tanks, in particular to an LNG storage tank with a stop valve pump well.
Background
Large LNG storage tanks are typically built underground, with the connection between the tank and external piping being higher than the liquid level. For such tanks, an immersed pump must be used to transfer the LNG outwardly. Submerged pumps are usually installed at the bottom of the tank and in order to facilitate maintenance of the pumps, it is known to provide a standpipe, known as a "pump well", for each pump. The immersed pump is installed at the bottom of the pump well, and the storage tank is separated from the pump well through a valve at the bottom, which is called as a bottom valve. The base of pump is located the top of bottom valve, and after the pump was installed on the base, relies on the action of gravity of pump to open the valve, pump well and LNG storage tank intercommunication. If the pump is taken out for maintenance, the valve loses the action of the gravity of the pump, and is closed under the combined action of the acting force of the spring and the static pressure in the storage tank, so that the storage tank space and the pump well space are isolated.
At present, the LNG storage tank that has the stop valve pump well often is not convenient for carry out timely detection to the natural gas in the pump well in the use, and when the bottom valve in the pump well took place to leak, closed stop valve that can not be timely takes place a series of potential safety hazards that lead to because of the natural gas leakage very easily.
Therefore, the LNG storage tank with the stop valve pump well has the advantages of convenience in detection and high safety, and further solves the problems in the background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an LNG storage tank with a stop valve pump well.
In order to achieve the purpose, the utility model adopts the following technical scheme: an LNG storage tank with a stop valve pump well comprises a storage tank, a pump well is arranged on the inner side of the storage tank, and the bottom surface of the inner side of the pump well is tightly provided with an immersed pump, a communicating pipe is arranged in the interlayer at the lower part of the storage tank, and the two ends of the communicating pipe are respectively communicated with the storage tank and the pump well, and the surface of the communicating pipe is provided with a stop valve, the upper part of the stop valve extends out of the outer side of the storage tank, the top surface of the pump well is provided with a well cover, the bottom surface of the well lid is in threaded connection with the inner wall surface of the port of the pump well through a threaded ring, a natural gas detector is arranged at the center of the well lid, a mounting plate is welded on the surface of the lower part of the natural gas detector, and the probe at the bottom end of the natural gas detector penetrates through the well cover and extends into the pump well, the surface of the mounting plate is fixedly connected with the well cover through a bolt, the surface of the lower part of the immersed pump is communicated with an eduction tube, and one end of the eduction tube extends out of the outer side of the storage tank.
As a further description of the above technical solution: a plurality of rubber rings are installed in the top surface embedding of pump well, and the centre of a circle that pump well was kept away from to the diameter of a plurality of rubber rings increases in proper order to a plurality of rubber rings all with the bottom surface butt of well lid.
As a further description of the above technical solution: the center of the well lid is provided with a through hole corresponding to the probe of the natural gas detector.
As a further description of the above technical solution: the bottom surface of mounting panel bonds and has the rubber pad, the four corners of mounting panel all passes through bolt and well lid fixed connection, a plurality of thread grooves have been seted up to the surperficial corresponding bolt of well lid.
As a further description of the above technical solution: the side welding of well lid has two handspikes, and two handspikes set up about the centre of a circle symmetry of well lid.
As a further description of the above technical solution: and an alarm is arranged on the side surface of the upper part of the natural gas detector.
The utility model has the following beneficial effects:
according to the utility model, the probe of the natural gas detector penetrates through the through hole and extends to the inner side of the pump well, the mounting plate welded on the surface of the lower part of the natural gas detector is enabled to be attached to the top surface of the well cover through the rubber pad, then the bolt penetrates through the mounting plate and extends into the threaded groove correspondingly formed in the surface of the well cover, the sealed mounting of the natural gas detector and the well cover is realized, the real-time monitoring of the natural gas content in the pump well is facilitated, the stop valve is conveniently closed by a worker for maintenance, meanwhile, the well cover is rotated through the hand lever, the threaded ring of the well cover is enabled to be in threaded connection with the port of the pump well, a plurality of rubber rings embedded and mounted on the top surface of the pump well are enabled to be abutted against the bottom surface of the well cover, the sealing effect of the pump well is increased, and the potential safety hazard caused by natural gas leakage in the pump well is reduced.
Drawings
FIG. 1 is a schematic diagram of an LNG storage tank with a stop valve pump well according to the present invention;
FIG. 2 is a schematic structural diagram of a well lid of an LNG storage tank with a stop valve pump well according to the utility model;
fig. 3 is an enlarged view a of an LNG storage tank with a shut-off valve pump well according to the present invention.
Illustration of the drawings:
1. a storage tank; 2. a pump well; 3. a lead-out pipe; 4. an immersed pump; 5. a communicating pipe; 6. a stop valve; 7. a well cover; 8. a natural gas detector; 9. mounting a plate; 10. a rubber pad; 11. a threaded ring; 12. a through hole; 13. a handle; 14. a rubber ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to an embodiment of the present invention, an LNG storage tank with a shut-off valve pump well is provided.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-3, an LNG storage tank with a stop valve pump well according to an embodiment of the present invention includes a storage tank 1, a pump well 2 is disposed inside the storage tank 1, an immersed pump 4 is tightly mounted on the bottom surface of the inside of the pump well 2, a communicating pipe 5 is disposed in an interlayer at the lower portion of the storage tank 1, two ends of the communicating pipe 5 are respectively communicated with the storage tank 1 and the pump well 2, a stop valve 6 is mounted on the surface of the communicating pipe 5, the upper portion of the stop valve 6 extends out of the storage tank 1, a well lid 7 is disposed on the top surface of the pump well 2, the bottom surface of the well lid 7 is in threaded connection with the inner wall surface of a port of the pump well 2 through a threaded ring 11, a natural gas detector 8 is disposed at the center of the well lid 7, a mounting plate 9 is welded to the lower surface of the natural gas detector 8, and a probe at the bottom end of the natural gas detector 8 extends into the pump well 2 through the well lid 7, the surface of the mounting plate 9 is fixedly connected with the well lid 7 through bolts, the lower surface of the immersed pump 4 is communicated with the eduction tube 3, one end of the eduction tube 3 extends out of the storage tank 1, the well lid 7 is rotated through a hand lever 13, a threaded ring 11 of the well lid 7 is enabled to be in threaded connection with a port of the pump well 2, a plurality of rubber rings 14 which are embedded and installed on the top surface of the pump well 2 are enabled to be abutted against the bottom surface of the well lid 7, then a probe of the natural gas detector 8 penetrates through a through hole 12 and extends to the inner side of the pump well 2, the mounting plate 9 welded on the lower surface of the natural gas detector 8 is enabled to be attached to the top surface of the well lid 7 through a rubber pad 10, the bolt penetrates through the mounting plate 9 and extends into a threaded groove correspondingly formed on the surface of the well lid 7, the sealed installation of the natural gas detector 8 and the well lid 7 is realized, the sealing effect of the pump well 2 is increased, the natural gas content in the inner space of the pump well 2 can be detected in real time through the natural gas detector 8, when the natural gas detector 8 gives an alarm (namely when the detected natural gas content is greater than the preset value of the natural gas detector 8, the buzzer or the audible and visual alarm provided by the natural gas detector gives an alarm), the stop valve 6 can be conveniently closed by a worker in time for maintenance, so that potential safety hazards caused by natural gas leakage in the pump well 2 are reduced;
in one embodiment, a plurality of rubber rings 14 are installed in the top surface embedding of pump well 2, and the centre of a circle of pump well 2 is kept away from to the diameter of a plurality of rubber rings 14 increases in proper order, and a plurality of rubber rings 14 all with the bottom surface butt of well lid 7, through a plurality of rubber rings 14 of pump well 2 top surface all with the bottom surface butt of well lid 7, can increase the leakproofness that well lid 7 and pump well 2 are connected.
In one embodiment, the center of the well lid 7 is provided with a through hole 12 corresponding to the probe of the natural gas detector 8, and the probe of the natural gas detector 8 can conveniently extend into the pump well 2 through the through hole 12.
In one embodiment, the rubber pad 10 is bonded on the bottom surface of the mounting plate 9, four corners of the mounting plate 9 are fixedly connected with the well lid 7 through bolts, a plurality of thread grooves are formed in the surface of the well lid 7 corresponding to the bolts, the sealing performance of the natural gas detector 8 connected with the well lid 7 can be improved through the rubber pad 10, and natural gas leakage from the through hole 12 is avoided.
In one embodiment, the side welding of well lid 7 has two handspikes 13, and two handspikes 13 set up about the centre of a circle symmetry of well lid 7, makes things convenient for the rotation of well lid 7 through handspike 13 to be favorable to the switch of well lid 7.
In one embodiment, an alarm is arranged on the side surface of the upper portion of the natural gas detector 8, wherein the alarm is specifically a buzzer or an audible and visual alarm, and the alarm is electrically connected with the output end of a controller carried by the natural gas detector 8, so that the natural gas detector 8 can give an alarm in time.
The working principle is as follows:
when the natural gas detector is used, firstly, the well lid 7 is rotated through the hand lever 13, the threaded ring 11 of the well lid 7 is enabled to be in threaded connection with the port of the pump well 2, the plurality of rubber rings 14 embedded and installed on the top surface of the pump well 2 are enabled to be abutted against the bottom surface of the well lid 7, then, the probe of the natural gas detector 8 extends to the inner side of the pump well 2 through the through hole 12, the mounting plate 9 welded on the lower surface of the natural gas detector 8 is enabled to be attached to the top surface of the well lid 7 through the rubber gasket 10, and then, the mounting plate 9 is enabled to extend into the threaded groove correspondingly formed in the surface of the well lid 7 through the bolt, the sealed installation of the natural gas detector 8 and the well lid 7 is achieved, the sealing effect of the pump well 2 is increased, the natural gas detector 8 can be used for detecting the natural gas content in the inner space of the pump well 2 in real time, when the natural gas detector 8 gives an alarm (when the detected natural gas content is larger than the preset value of the natural gas detector 8, the buzzer or the audible and visual alarm in the pump well 2 gives an alarm), and the stop valve 6 can be closed by workers in time for maintenance, so that the potential safety hazard caused by natural gas leakage in the pump well 2 is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a take LNG storage tank of stop valve pump well, includes storage tank (1), its characterized in that: the device is characterized in that a pump well (2) is arranged on the inner side of the storage tank (1), an immersed pump (4) is fixedly mounted on the bottom surface of the inner side of the pump well (2), a communicating pipe (5) is arranged in an interlayer at the lower part of the storage tank (1), two ends of the communicating pipe (5) are respectively communicated with the storage tank (1) and the pump well (2), a stop valve (6) is mounted on the surface of the communicating pipe (5), the upper part of the stop valve (6) extends out of the outer side of the storage tank (1), a well cover (7) is arranged on the top surface of the pump well (2), the bottom surface of the well cover (7) is in threaded connection with the inner wall surface of a port of the pump well (2) through a threaded ring (11), a natural gas detector (8) is arranged at the center of the well cover (7), a mounting plate (9) is welded on the surface of the lower part of the natural gas detector (8), and a probe at the bottom end of the natural gas detector (8) penetrates through the well cover (7) and extends into the pump well (2), the surface of mounting panel (9) passes through bolt and well lid (7) fixed connection, the lower part surface intercommunication of immersed pump (4) has stand-off pipe (3), and the one end of stand-off pipe (3) extends storage tank (1) outside.
2. An LNG storage tank with a stop valve pump well according to claim 1, characterized in that: a plurality of rubber rings (14) are installed in the top surface embedding of pump well (2), and the centre of a circle of pump well (2) is kept away from to the diameter of a plurality of rubber rings (14) increases in proper order to a plurality of rubber rings (14) all with the bottom surface butt of well lid (7).
3. An LNG storage tank with a stop valve pump well according to claim 1, characterized in that: the center of the well lid (7) is provided with a through hole (12) corresponding to the probe of the natural gas detector (8).
4. An LNG storage tank with a stop valve pump well according to claim 1, characterized in that: the bottom surface of mounting panel (9) bonds and has rubber pad (10), the four corners of mounting panel (9) all passes through bolt and well lid (7) fixed connection, a plurality of thread grooves have been seted up to the surperficial correspondence bolt of well lid (7).
5. An LNG storage tank with a stop valve pump well according to claim 1, characterized in that: the side welding of well lid (7) has two handspikes (13), and two handspikes (13) set up about the centre of a circle symmetry of well lid (7).
6. An LNG storage tank with a stop valve pump well according to claim 1, characterized in that: and an alarm is arranged on the side surface of the upper part of the natural gas detector (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122786660.5U CN216619364U (en) | 2021-11-15 | 2021-11-15 | LNG storage tank with stop valve pump well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122786660.5U CN216619364U (en) | 2021-11-15 | 2021-11-15 | LNG storage tank with stop valve pump well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216619364U true CN216619364U (en) | 2022-05-27 |
Family
ID=81696703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122786660.5U Active CN216619364U (en) | 2021-11-15 | 2021-11-15 | LNG storage tank with stop valve pump well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216619364U (en) |
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2021
- 2021-11-15 CN CN202122786660.5U patent/CN216619364U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221226 Address after: Room 602, Liandong Business Center, No. 1, Jinghai 7th Road, Tongzhou Park Optical Mechanical Electrical Integration Industrial Base, Zhongguancun Science Park, Tongzhou District, Beijing 101100 Patentee after: Beijing Tailai Wharton cryogenic equipment Co.,Ltd. Address before: 510000 Shatou first industrial zone, West Ring Road, Panyu District, Zhanjiang City, Guangdong Province Patentee before: Chen Sihua |
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| TR01 | Transfer of patent right |