CN215862856U - Storage tank that LNG gasification system used - Google Patents
Storage tank that LNG gasification system used Download PDFInfo
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- CN215862856U CN215862856U CN202122045215.3U CN202122045215U CN215862856U CN 215862856 U CN215862856 U CN 215862856U CN 202122045215 U CN202122045215 U CN 202122045215U CN 215862856 U CN215862856 U CN 215862856U
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Abstract
The utility model discloses a storage tank for an LNG (liquefied natural gas) gasification system, which comprises a storage tank body, wherein the top of the storage tank body is fixedly connected with a cover plate, the top of the cover plate is embedded with a feeding pipe communicated with the inside of the storage tank body, the bottom of the right side of the storage tank body is communicated and fixed with a discharging pipe, the right end of the discharging pipe and the top end of the feeding pipe are fixedly connected with valves, and the top of the left side of the storage tank body is communicated and fixed with a pressure relief pipe. The utility model has reasonable design, is convenient for automatically and timely controlling the plugging ball to move leftwards to remove the plugging of the pressure relief pipe when the pressure in the storage tank body is larger, thereby realizing the purpose of automatically and timely exhausting and relieving the pressure, reducing the risk of the storage tank body damage caused by untimely pressure relief, and the arrangement of the extension spring ensures that the outer side of the sealing rubber sheet and the side wall of the semi-spherical groove can always keep a close contact state, improving the sealing stability of the storage tank body and reducing the condition of gas leakage in the storage tank body in the use process.
Description
Technical Field
The utility model relates to the technical field of storage tanks for LNG (liquefied natural gas) gasification systems, in particular to a storage tank for an LNG gasification system.
Background
The LNG gasification station is an intermediate regulation place which is mainly used for receiving, storing and gasifying LNG purchased at the upstream to supply gas to the local, the storage tank is a main device for the LNG gasification system, and the storage tank directly influences the normal production of the gasification station;
the storage tank that current LNG gasification system used, it does not possess the function of automatic timely pressure release, the manual pressure release of personnel is adopted mostly to current storage tank, need personnel to observe the pressure condition in the storage tank constantly, when pressure in the storage tank is great, it carries out the pressure release operation to need personnel to manually open the relief valve, the mode work efficiency that personnel observed the manual pressure release of pressure is low, and it is great to have the risk that causes the storage tank damage because of the pressure release in time, can not satisfy the user demand, therefore we have proposed a storage tank that LNG gasification system used and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a storage tank for an LNG gasification system.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a storage tank for an LNG gasification system comprises a storage tank body, wherein a cover plate is fixedly connected to the top of the storage tank body, an inlet pipe communicated with the inside of the storage tank body is embedded in the top of the cover plate, a discharge pipe is communicated and fixed at the bottom of the right side of the storage tank body, valves are fixedly connected to the right end of the discharge pipe and the top end of the inlet pipe, a pressure release pipe is communicated and fixed at the top of the left side of the storage tank body, a hemispherical groove communicated with the inside of the pressure release pipe is formed in the left end of the pressure release pipe, a blocking ball is movably sleeved in the hemispherical groove in a sealing mode, a rectangular hole is formed in the left side of the top of the blocking ball, an elastic extrusion mechanism is installed in the rectangular hole, the top end and the bottom end of the elastic extrusion mechanism respectively extend to the upper side and the lower side of the blocking ball and are fixedly connected with a guide mechanism, the guide mechanism is fixedly installed on the outer side of the pressure release pipe, and a thread driving mechanism is rotatably installed on the right side of the elastic extrusion mechanism, the pressure release pipe thread bush is established on screw thread actuating mechanism, and screw thread actuating mechanism fixed mounting is in the left side of the guiding mechanism who is located the top, and the left side top fixedly connected with pressure sensor of storage tank body, pressure sensor's detection end extend to the storage tank originally internally, pressure sensor and screw thread actuating mechanism electric connection.
Preferably, the elastic extrusion mechanism comprises a moving rod which is slidably sleeved in the rectangular hole, the top end and the bottom end of the moving rod respectively extend to the upper part and the lower part of the blocking ball, an extension spring which is in a stretching state is fixedly connected between the left side of the moving rod and the inner wall of the left side of the rectangular hole, a positioning rod is fixedly connected to the right side of the moving rod, and the blocking ball is slidably sleeved on the positioning rod.
Preferably, the guide mechanism comprises moving blocks, one sides of the two moving blocks, which are close to each other, are fixedly connected with the top end and the bottom end of the moving rod respectively, the right sides of the moving blocks are fixedly connected with guide rods, the top and the bottom of the pressure relief pipe are fixedly connected with guide pipes, and the guide pipes are slidably sleeved on the corresponding guide rods.
Preferably, the screw thread drive mechanism is including rotating the screw rod of installing at carriage release lever right side top, and the pressure release pipe thread bush is established on the screw rod, and the left side fixedly connected with L shape installation pole of the movable block that is located the top, and fixed mounting has driving motor on the left side inner wall of L shape installation pole, and driving motor's output shaft right-hand member and the left end fixed connection of screw rod, the left side fixedly connected with battery of the movable block that is located the top, the left side of battery is fixed and electrically connected with the controller, and pressure sensor and driving motor all with battery and controller electric connection.
Preferably, the outside bonding cladding of shutoff ball has the rubber seal, and the outside and the inner wall activity contact of hemisphere groove of rubber seal.
Preferably, a rectangular groove is formed in the inner wall of the right side of the rectangular hole, the inner wall of the rectangular groove is in sliding connection with the outer side of the positioning rod, the front side and the rear side of the moving rod are in sliding connection with the inner wall of the front side and the inner wall of the rear side of the rectangular hole respectively, and the right side of the moving rod is in movable contact with the inner wall of the right side of the rectangular hole.
Preferably, the top inner wall of the guide pipe positioned above is provided with a limiting hole, the top right side of the guide rod positioned above is fixedly connected with a limiting block, and the limiting block is connected with the limiting hole in a sliding manner.
Preferably, the thread groove is formed in the top of the left end of the pressure relief pipe and in threaded connection with the screw rod, the circular hole is formed in the top of the right side of the moving rod, a bearing is sleeved in the circular hole in a fixed mode, and the inner side of the inner ring of the bearing is fixedly connected with the outer side of the screw rod.
Compared with the prior art, the utility model has the beneficial effects that:
through the storage tank body, the cover plate, the feeding pipe, the pressure sensor, the pressure relief pipe, the semi-spherical groove, the plugging ball, the sealing rubber, the guide pipe, the moving block, the guide rod, the rectangular hole, the moving rod, the extension spring, the positioning rod, the screw rod, the driving motor and the controller, the pressure sensor is matched with the storage battery and is used for detecting the pressure condition in the storage tank body, when the pressure in the storage tank body is detected to be higher than the preset pressure, the pressure sensor transmits a signal to the controller to control the driving motor to be started in the positive direction, the driving motor drives the screw rod to rotate in the threaded groove and move leftwards, the screw rod drives the moving rod to move leftwards through the bearing, the pulling force of the extension spring is gradually released when the moving rod moves leftwards, the moving rod which continuously moves leftwards drives the plugging ball and the sealing rubber to continuously move leftwards through the extension spring and gradually forms a gap with the side wall of the semi-spherical groove, at the moment, the gas in the storage tank body is discharged to the outside through the pressure relief pipe and the gap in sequence, so that the pressure in the storage tank body is gradually reduced, when the pressure sensor detects that the pressure in the storage tank body is lower than a preset value, the controller controls the driving motor to start reversely, the moving rod is changed into move rightwards, the moving rod drives the plugging ball and the sealing rubber sheet to move rightwards through the extension spring until the side wall of the hemispherical groove is contacted, the blocking ball is limited to move continuously, the moving rod which moves continuously slides rightwards continuously in the rectangular hole at the moment and stretches the spring, when the right side of the movable rod moves rightwards to be contacted with the inner wall of the right side of the rectangular hole, the blocking ball is blocked, the stable sealing of the blocking ball is realized, and extension spring's setting for the outside of rubber seal can keep the in close contact with the state all the time with the lateral wall of hemisphere groove, improves its sealing stability.
The utility model has reasonable design, is convenient for automatically and timely controlling the plugging ball to move leftwards to remove the plugging of the pressure relief pipe when the pressure in the storage tank body is larger, thereby realizing the purpose of automatically and timely exhausting and relieving the pressure, reducing the risk of the storage tank body damage caused by untimely pressure relief, and the arrangement of the extension spring ensures that the outer side of the sealing rubber sheet and the side wall of the semi-spherical groove can always keep a close contact state, improving the sealing stability of the storage tank body and reducing the condition of gas leakage in the storage tank body in the use process.
Drawings
Fig. 1 is a schematic structural diagram of a storage tank for an LNG gasification system according to the present invention;
fig. 2 is an enlarged sectional view of a portion a of fig. 1.
In the figure: 100 storage tank bodies, 101 cover plates, 102 feeding pipes, 1 pressure sensor, 2 pressure relief pipes, 3 hemispherical grooves, 4 blocking balls, 5 sealing rubber sheets, 6 guide pipes, 7 moving blocks, 8 guide rods, 9 rectangular holes, 10 moving rods, 11 extension springs, 12 positioning rods, 13 screw rods, 14 driving motors, 15 controllers and 16 storage batteries.
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.
Referring to fig. 1-2, a storage tank for an LNG gasification system, comprising a storage tank body 100, a cover plate 101 fixedly connected to the top of the storage tank body 100, a feeding pipe 102 embedded in the cover plate 101 and communicated with the interior of the storage tank body 100, a discharging pipe communicated with and fixed to the bottom of the right side of the storage tank body 100, valves fixedly connected to the right end of the discharging pipe and the top end of the feeding pipe 102, a pressure relief pipe 2 communicated with and fixed to the top of the left side of the storage tank body 100, a hemispherical groove 3 communicated with the interior of the pressure relief pipe 2 at the left end of the pressure relief pipe 2, a blocking ball 4 movably sleeved in the hemispherical groove 3 in a sealing manner, a rectangular hole 9 formed at the left side of the top of the blocking ball 4, an elastic extrusion mechanism installed in the rectangular hole 9, a guiding mechanism fixedly connected to the upper side and the lower side of the blocking ball 4 at the top end and the bottom end of the elastic extrusion mechanism, the guiding mechanism fixedly installed at the outer side of the pressure relief pipe 2, a thread driving mechanism is rotatably mounted on the right side of the elastic extrusion mechanism, a pressure relief pipe 2 is sleeved on the thread driving mechanism in a threaded manner, the thread driving mechanism is fixedly mounted on the left side of the guide mechanism positioned above the thread driving mechanism, a pressure sensor 1 is fixedly connected to the top of the left side of the storage tank body 100, a detection end of the pressure sensor 1 extends into the storage tank body 100, and the pressure sensor 1 is electrically connected with the thread driving mechanism;
the elastic extrusion mechanism comprises a moving rod 10 which is slidably sleeved in the rectangular hole 9, the top end and the bottom end of the moving rod 10 respectively extend to the upper part and the lower part of the blocking ball 4, an extension spring 11 in a stretching state is fixedly connected between the left side of the moving rod 10 and the left side inner wall of the rectangular hole 9, a positioning rod 12 is fixedly connected to the right side of the moving rod 10, and the blocking ball 4 is slidably sleeved on the positioning rod 12;
the guide mechanism comprises moving blocks 7, one sides, close to each other, of the two moving blocks 7 are fixedly connected with the top end and the bottom end of the moving rod 10 respectively, the right sides of the moving blocks 7 are fixedly connected with guide rods 8, the top and the bottom of the pressure relief pipe 2 are fixedly connected with guide pipes 6, and the guide pipes 6 are sleeved on the corresponding guide rods 8 in a sliding mode;
the thread driving mechanism comprises a screw rod 13 rotatably installed at the top of the right side of the moving rod 10, the pressure relief pipe 2 is sleeved on the screw rod 13 in a threaded manner, the left side of the moving block 7 positioned above is fixedly connected with an L-shaped installation rod, the inner wall of the left side of the L-shaped installation rod is fixedly provided with a driving motor 14, the right end of an output shaft of the driving motor 14 is fixedly connected with the left end of the screw rod 13, the left side of the moving block 7 positioned above is fixedly connected with a storage battery 16, the left side of the storage battery 16 is fixedly and electrically connected with a controller 15, and both the pressure sensor 1 and the driving motor 14 are electrically connected with the storage battery 16 and the controller 15. And extension spring 11's setting for the outside of rubber seal 5 and the lateral wall of hemisphere groove 3 can keep the in close contact state all the time, improve its sealing stability, reduce the condition that the inside gas of storage tank body 100 leaked in the use.
In the utility model, the outer side of a blocking ball 4 is bonded and coated with a sealing rubber sheet 5, the outer side of the sealing rubber sheet 5 is in movable contact with the inner wall of a hemispherical groove 3, the inner wall of the right side of a rectangular hole 9 is provided with a rectangular groove, the inner wall of the rectangular groove is in sliding connection with the outer side of a positioning rod 12, the front side and the rear side of a movable rod 10 are respectively in sliding connection with the inner wall of the front side and the inner wall of the rear side of the rectangular hole 9, the right side of the movable rod 10 is in movable contact with the inner wall of the right side of the rectangular hole 9, the inner wall of the top of an upper guide pipe 6 is provided with a limiting hole, the right side of the top of an upper guide rod 8 is fixedly connected with a limiting block, the limiting block is in sliding connection with the limiting hole, the top of the left end of a pressure relief pipe 2 is provided with a threaded groove, the threaded groove is in threaded connection with a screw rod 13, the right side of the movable rod 10 is provided with a circular hole, a bearing is fixedly sleeved in the circular hole, the inner side of an inner ring of the bearing is fixedly connected with the outer side of the screw rod 13, the utility model has reasonable design, is convenient for automatically and timely controlling the plugging ball 4 to move leftwards to remove the plugging of the pressure relief pipe 2 when the pressure in the storage tank body 100 is higher, thereby realizing the purpose of automatically and timely exhausting and relieving the pressure, reducing the risk of damaging the storage tank body 100 due to untimely pressure relief, and the arrangement of the extension spring 11 ensures that the outer side of the sealing rubber 5 and the side wall of the hemispherical groove 3 can always keep a close contact state, improving the sealing stability of the storage tank and reducing the condition of gas leakage in the storage tank body 100 in the use process.
The working principle is as follows: when the pressure sensor 1 is used for detecting the pressure inside the storage tank body 100, when the pressure sensor 1 detects that the pressure inside the storage tank body 100 is higher than the preset pressure, the pressure sensor 1 transmits a signal to the controller 15, the controller 15 controls the driving motor 14 to be started in the forward direction, the output shaft of the driving motor 14 drives the screw 13 to rotate, under the action of the thread groove formed in the pressure relief pipe 2, the screw 13 rotates in the thread groove and moves leftwards, the screw 13 drives the moving rod 10 to move leftwards through the bearing, the moving rod 10 drives the two moving blocks 7 to move leftwards, the moving blocks 7 drive the corresponding guide rods 8 to slide in the guide pipes 6, the moving rod 10 releases the tensile force on the extension springs 11 leftwards, and after the tensile force of the extension springs 11 is released, the moving rod 10 continuing to move leftwards drives the plugging balls 4 and the sealing rubber sheets 5 to continue to move leftwards through the extension springs 11, so that a gap is gradually formed between the outer side of the sealing rubber sheet 5 and the side wall of the hemispherical groove 3, at this time, the gas inside the storage tank body 100 is discharged to the outside through the pressure relief pipe 2 and the gap in sequence, the pressure inside the storage tank body 100 is gradually reduced along with the outflow of the gas inside the storage tank body 100, when the pressure sensor 1 detects that the pressure inside the storage tank body 100 is lower than a preset value, the pressure sensor 1 controls the driving motor 14 to be started reversely through the controller 15, similarly, the motion process of the driving motor 14 is started in the forward direction, so that the moving rod 10 is changed into the rightward movement, the moving rod 10 drives the sealing ball 4 to move rightward through the extension spring 11, the sealing ball 4 drives the sealing rubber sheet 5 to move rightward until the side wall of the hemispherical groove 3 is contacted, the sealing ball 4 is limited to move continuously, at this time, the moving rod 10 which moves continuously slides rightward in the rectangular hole 9 continuously and the extension spring 11 is extended, when the right side of the moving rod 10 moves rightwards to be in contact with the inner wall of the right side of the rectangular hole 9, the moving rod 10 shields the blocking ball 4 at the moment, and stable sealing of the blocking ball 4 is realized;
when the rubber seal 5 is used for a long time, the condition of the thickness attenuation of the rubber seal 5 appears easily, make produce the gap between the lateral wall of rubber seal 5 and hemisphere groove 3, the elasticity pulling blocking ball 4 of extension spring 11 moves right this moment, blocking ball 4 drives rubber seal 5 and moves right to the lateral wall in close contact with hemisphere groove 3, under extension spring 11's elastic force effect, can give 4 right tightening force of blocking ball all the time, make the outside of rubber seal 5 and the lateral wall of hemisphere groove 3 can remain the in close contact state all the time, improve its sealing stability, reduce the condition of the inside gas leakage of storage tank body 100 in the use.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The storage tank for the LNG gasification system comprises a storage tank body (100), wherein a cover plate (101) is fixedly connected to the top of the storage tank body (100), a feeding pipe (102) communicated with the inside of the storage tank body (100) is embedded in the top of the cover plate (101), a discharging pipe is communicated and fixed to the bottom of the right side of the storage tank body (100), valves are fixedly connected to the right end of the discharging pipe and the top end of the feeding pipe (102), the storage tank is characterized in that a pressure relief pipe (2) is communicated and fixed to the top of the left side of the storage tank body (100), a hemispherical groove (3) communicated with the inside of the pressure relief pipe (2) is formed in the left end of the pressure relief pipe, a blocking ball (4) is movably sleeved in the hemispherical groove (3) in a sealing manner, a rectangular hole (9) is formed in the left side of the top of the blocking ball (4), an elastic extrusion mechanism is installed in the rectangular hole (9), and the top end and the bottom end of the elastic extrusion mechanism respectively extend to the upper portion and the lower portion of the blocking ball (4) and are fixedly connected with a guide mechanism, guiding mechanism fixed mounting is in the outside of pressure release pipe (2), and the right side of elasticity extrusion mechanism is rotated and is installed screw thread actuating mechanism, and pressure release pipe (2) thread bush is established on screw thread actuating mechanism, and screw thread actuating mechanism fixed mounting is in the left side of the guiding mechanism who is located the top, the left side top fixedly connected with pressure sensor (1) of storage tank body (100), and in the detection end of pressure sensor (1) extended to storage tank body (100), pressure sensor (1) and screw thread actuating mechanism electric connection.
2. The storage tank for the LNG gasification system of claim 1, wherein the elastic extrusion mechanism comprises a movable rod (10) slidably sleeved in the rectangular hole (9), the top end and the bottom end of the movable rod (10) respectively extend to the upper side and the lower side of the blocking ball (4), an extension spring (11) in a stretching state is fixedly connected between the left side of the movable rod (10) and the inner wall of the left side of the rectangular hole (9), a positioning rod (12) is fixedly connected to the right side of the movable rod (10), and the blocking ball (4) slidably sleeved on the positioning rod (12).
3. The storage tank for the LNG gasification system of claim 1, wherein the guiding mechanism comprises moving blocks (7), one side of each of the two moving blocks (7) close to each other is fixedly connected with the top end and the bottom end of the moving rod (10), the right side of each moving block (7) is fixedly connected with a guiding rod (8), the top and the bottom of the pressure relief pipe (2) are fixedly connected with guiding pipes (6), and the guiding pipes (6) are slidably sleeved on the corresponding guiding rods (8).
4. The storage tank for the LNG gasification system of claim 1, wherein the screw driving mechanism comprises a screw (13) rotatably mounted on the top of the right side of the movable rod (10), the pressure relief pipe (2) is in threaded sleeve connection with the screw (13), an L-shaped mounting rod is fixedly connected to the left side of the upper movable block (7), a driving motor (14) is fixedly mounted on the inner wall of the left side of the L-shaped mounting rod, the right end of the output shaft of the driving motor (14) is fixedly connected with the left end of the screw (13), a storage battery (16) is fixedly connected to the left side of the upper movable block (7), a controller (15) is fixedly and electrically connected to the left side of the storage battery (16), and the pressure sensor (1) and the driving motor (14) are both electrically connected with the storage battery (16) and the controller (15).
5. A storage tank for an LNG vaporization system according to claim 1, wherein the outer side of the sealing ball (4) is bonded and covered with a rubber sheet (5), and the outer side of the rubber sheet (5) is in movable contact with the inner wall of the semi-spherical groove (3).
6. The storage tank for the LNG gasification system of claim 2, wherein a rectangular groove is opened on the right inner wall of the rectangular hole (9), the inner wall of the rectangular groove is slidably connected to the outer side of the positioning rod (12), the front side and the rear side of the movable rod (10) are slidably connected to the front inner wall and the rear inner wall of the rectangular hole (9), respectively, and the right side of the movable rod (10) is in movable contact with the right inner wall of the rectangular hole (9).
7. The storage tank for the LNG gasification system of claim 3, wherein the top inner wall of the upper guide pipe (6) is provided with a limiting hole, the top right side of the upper guide rod (8) is fixedly connected with a limiting block, and the limiting block is connected with the limiting hole in a sliding manner.
8. A storage tank for an LNG gasification system according to claim 4, characterized in that the pressure relief pipe (2) has a threaded groove at the top of its left end, the threaded groove is in threaded connection with the screw (13), the right top of the movable rod (10) has a circular hole, a bearing is fixedly sleeved in the circular hole, and the inner side of the inner ring of the bearing is fixedly connected with the outer side of the screw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122045215.3U CN215862856U (en) | 2021-08-27 | 2021-08-27 | Storage tank that LNG gasification system used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122045215.3U CN215862856U (en) | 2021-08-27 | 2021-08-27 | Storage tank that LNG gasification system used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215862856U true CN215862856U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122045215.3U Active CN215862856U (en) | 2021-08-27 | 2021-08-27 | Storage tank that LNG gasification system used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215862856U (en) |
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2021
- 2021-08-27 CN CN202122045215.3U patent/CN215862856U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20221228 Address after: 410006 No. 539, Software Building (Professional Building), No. 662, High tech Lugu Avenue, Yuelu District, Changsha City, Hunan Province Patentee after: ENN NEW ENERGY ENGINEERING TECHNOLOGY CO.,LTD. Address before: 065001 Tsinghua Science Park, No. 1, Jinyuan Road, Guangyang District, Cangzhou City, Hebei Province Patentee before: Liu Mingming |
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| TR01 | Transfer of patent right |