CN213840460U - Take LNG storage tank of stop valve pump well - Google Patents
Take LNG storage tank of stop valve pump well Download PDFInfo
- Publication number
- CN213840460U CN213840460U CN202022098601.4U CN202022098601U CN213840460U CN 213840460 U CN213840460 U CN 213840460U CN 202022098601 U CN202022098601 U CN 202022098601U CN 213840460 U CN213840460 U CN 213840460U
- Authority
- CN
- China
- Prior art keywords
- tank body
- storage tank
- lng storage
- stop valve
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000035939 shock Effects 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 238000013016 damping Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 3
- 238000010009 beating Methods 0.000 abstract description 3
- 239000003949 liquefied natural gas Substances 0.000 description 38
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000007789 gas Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a take LNG storage tank of stop valve pump well, including the outer jar of body, the outer jar of internal LNG storage tank that is equipped with of internal, the left and right inner wall of the outer jar of body all is equipped with damper, damper includes that two are connected on two of outer jar side wall through the pivot and connect arc pole and lower connecting rod, two go up the same connecting block of other end fixedly connected with of connecting arc pole, the top surface of connecting rod and the lower extreme fixed connection of connecting block down, be provided with between arc pole and the lower connecting rod and rotate the telescopic link of installing the slope on outer jar side wall. The utility model discloses a damper, shock attenuation gasbag, gas filled sleeve, limiting plate and piston, under compression spring's elastic action, drive the telescopic link and be extended, contract again, move the drive pole downstream to drive the piston downstream, thereby in beating gas into the shock attenuation gasbag, can avoid the interior LNG storage tank body to produce vibrations by a wide margin.
Description
Technical Field
The utility model relates to a LNG storage tank field especially relates to a take LNG storage tank of stop valve pump well.
Background
Liquefied Natural Gas (LNG), whose main component is methane, is known as the cleanest fossil energy on earth. The liquefied natural gas is colorless, tasteless, nontoxic and noncorrosive, the volume of the liquefied natural gas is about 1/625 of the volume of the same amount of gaseous natural gas, and the mass of the liquefied natural gas is only about 45 percent of the same volume of water.
The manufacturing process comprises purifying natural gas produced in a gas field, liquefying at a series of ultralow temperatures, and transporting by a liquefied natural gas carrier. After the liquefied natural gas is combusted, the pollution to the air is very small, and the heat emitted by the liquefied natural gas is large, so the liquefied natural gas is a relatively advanced energy source.
The liquefied natural gas is liquid after being compressed and cooled to the condensation point (-161.5 ℃), and is usually stored in a low-temperature storage tank at-161.5 ℃ and about 0.1 MPa. The main component of the methane is methane, and the methane is transported by a special ship or an oil tank truck and is gasified again when in use. Since the 70 s of the 20 th century, the world production and trade volume of liquefied natural gas has increased rapidly, and in 2005, the international trade volume of LNG reaches 1888.1 billion cubic meters, the largest export country is indonesia, and the export 314.6 billion cubic meters; the largest importing country is 763.2 billion cubic meters in japan.
However, the existing LNG storage tank can generate certain vibration in the long-term use process, so that the loss of the LNG storage tank is caused, and the service life is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the LNG storage tank of a take stop valve pump well that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an LNG storage tank with a stop valve pump well comprises an outer tank body, wherein an inner LNG storage tank body is arranged in the outer tank body, the left and right inner walls of the outer tank body are respectively provided with a damping mechanism, the damping mechanism comprises two upper connecting arc-shaped rods and a lower connecting rod which are connected with the side wall of the outer tank body through rotating shafts, the other ends of the two upper connecting arc-shaped rods are fixedly connected with the same connecting block, the top surface of the lower connecting rod is fixedly connected with the lower end of the connecting block, an inclined telescopic rod which is rotatably arranged on the side wall of the outer tank body is arranged between the arc-shaped rods and the lower connecting rod, the other end of the telescopic rod is fixedly connected with the top surface of the lower connecting rod, the outer wall of the telescopic rod is slidably sleeved with a compression spring, the two connecting blocks are respectively fixedly connected with the left and right walls of the inner LNG storage tank body, and a damping air bag is arranged between the left and right lower walls of the outer tank body and the inner LNG storage tank body, the upper end of shock attenuation gasbag is equipped with aerifys the sleeve, aerify sleeve's diapire and shock attenuation gasbag intercommunication, slidable mounting has the piston in aerifing the sleeve, the upper end fixedly connected with of piston drives the pole, drive the pole and seal the slip run through aerify sleeve's upper end and with lower connecting rod fixed connection.
Preferably, the left and right inner walls of the outer tank body are fixedly connected with limiting plates, the limiting plates are provided with limiting through holes, and the inner diameters of the limiting through holes are larger than the outer diameter of the inflatable sleeve.
Preferably, the outer diameter of the piston is adapted to the inner diameter of the inflatable sleeve.
Preferably, the size of the inner LNG storage tank body is smaller than that of the outer tank body.
Preferably, one side of the shock absorption air bag is adhered to the inner side wall of the outer tank body.
Preferably, the inner diameter of the compression spring is larger than the outer diameter of the telescopic rod.
The utility model has the advantages that:
1, the utility model discloses a damper, the shock attenuation gasbag, aerify the sleeve, limiting plate and piston, interior LNG storage tank can produce the vibrations of certain range, on connect the arc pole and also can follow with lower connecting rod, lower rotation, the telescopic link is by the shrink, the extension, under compression spring's elastic action, it is extended again to drive the telescopic link, the shrink, when the connecting rod moves down, it moves down to drive the drive pole, thereby drive the piston and move down, thereby in beating gas into the shock attenuation gasbag, can avoid interior LNG storage tank body to produce vibrations by a wide margin, lead to the reduction of loss in long-term use, increase the service life of the interior LNG storage tank body.
Drawings
Fig. 1 is the utility model discloses a take LNG storage tank of stop valve pump well's schematic structure diagram.
Figure 2 is the utility model discloses a take enlarged schematic structure of Ac department of LNG storage tank of stop valve pump well.
Fig. 3 is the utility model discloses a take damper's of LNG storage tank of stop valve pump well structural schematic diagram who provides.
Reference numbers in the figures: connect arc pole, 3 drive pole, 4 connecting blocks, 5 lower connecting rods, 6 telescopic links, 7 compression spring, 8 interior LNG storage tank bodies, 9 shock attenuation gasbag, 10 gas tube, 11 limiting plates, 12 pistons on 1 outer jar body, 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a LNG storage tank with a stop valve pump well, comprises an outer tank body 1, an inner LNG storage tank body 8 is arranged in the outer tank body 1, a left inner wall and a right inner wall of the outer tank body 1 are both provided with a damping mechanism, the damping mechanism comprises two connecting arc rods 2 and a lower connecting rod 5 which are connected to two side walls of the outer tank body 1 through a rotating shaft, the other ends of the two connecting arc rods 2 are fixedly connected with a same connecting block 4, the top surface of the lower connecting rod 5 is fixedly connected with the lower end of the connecting block 4, an inclined telescopic rod 6 which is rotatably installed on the side wall of the outer tank body 1 is arranged between the arc rods 2 and the lower connecting rod 5, the other end of the telescopic rod 6 is fixedly connected with the top surface of the lower connecting rod 5, the outer wall of the telescopic rod 6 is sleeved with a compression spring 7, the two connecting blocks 4 are respectively fixedly connected to the left wall and the right wall of the inner LNG storage tank body 8, the left LNG storage tank body 1 and the inner LNG storage tank body 8, Install shock attenuation gasbag 9 between the lower wall of the right side, the upper end of shock attenuation gasbag 9 is equipped with air sleeve 10, air sleeve 10's diapire and shock attenuation gasbag 9 intercommunication, slidable mounting has piston 12 in air sleeve 10, piston 12's upper end fixedly connected with drives pole 3, drive pole 3 sealed slip run through air sleeve 10 the upper end and with lower connecting rod 5 fixed connection, the left side of the outer tank body 1, right side inner wall fixedly connected with limiting plate 11, limiting plate 11 is equipped with spacing through-hole, the internal diameter of spacing through-hole is greater than air sleeve 10's external diameter, piston 12's external diameter and air sleeve 10's internal diameter adaptation, the size of the interior LNG storage tank body 8 is less than the size of the outer tank body 1, one side of shock attenuation gasbag 9 is pasted with the inside wall of the outer tank body 1, compression spring 7's internal diameter is greater than the external diameter of telescopic link 6.
The working principle is as follows: the utility model discloses, when using, interior LNG stores up jar body 8 can produce the vibrations of certain range, it is connected through the pivot to go up the lateral wall of connecting arc pole 2 and lower connecting rod 5 and the outer jar body 1, so on connect arc pole 2 and lower connecting rod 5 also can follow, lower rotation, telescopic link 6 is by the shrink, the extension, under compression spring 7's elastic action, it is extended again to drive telescopic link 6, the shrink, when connecting rod 5 moves down, drive 3 downstream of drive pole, thereby drive piston 12 move down, thereby in beating into shock attenuation gasbag 9 with gas, LNG stores up jar body 8 in can protecting and produces vibrations by a wide margin, lead to reducing of loss in long-term use, shock attenuation gasbag 9's shape is unsettled, spacing through-hole is great, can satisfy the position change when inflating.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The LNG storage tank with the stop valve pump well comprises an outer tank body (1) and is characterized in that an inner LNG storage tank body (8) is arranged in the outer tank body (1), the left inner wall and the right inner wall of the outer tank body (1) are respectively provided with a damping mechanism, the damping mechanism comprises two upper connecting arc-shaped rods (2) and a lower connecting rod (5) which are connected to the two side walls of the outer tank body (1) through rotating shafts, the other ends of the upper connecting arc-shaped rods (2) are fixedly connected with a same connecting block (4), the top surface of the lower connecting rod (5) is fixedly connected with the lower end of the connecting block (4), an inclined telescopic rod (6) rotatably arranged on the side wall of the outer tank body (1) is arranged between the arc-shaped rods (2) and the lower connecting rod (5), the other end of the telescopic rod (6) is fixedly connected with the top surface of the lower connecting rod (5), and the outer wall of the telescopic rod (6) is sleeved with a compression spring (7) in a sliding mode, two connecting block (4) are respectively in the left and right wall fixed connection of the interior LNG storage tank body (8), install shock attenuation gasbag (9) between the left and right lower wall of the outer tank body (1) and the interior LNG storage tank body (8), the upper end of shock attenuation gasbag (9) is equipped with inflatable sleeve (10), the diapire and shock attenuation gasbag (9) intercommunication of inflatable sleeve (10), slidable mounting has piston (12) in inflatable sleeve (10), the upper end fixedly connected with of piston (12) drives pole (3), drive pole (3) sealed slip run through inflatable sleeve (10) the upper end and with lower connecting rod (5) fixed connection.
2. The LNG storage tank with the stop valve pump well according to claim 1, characterized in that the left and right inner walls of the outer tank body (1) are fixedly connected with limit plates (11), the limit plates (11) are provided with limit through holes, and the inner diameters of the limit through holes are larger than the outer diameter of the inflatable sleeve (10).
3. LNG tank with stop valve pump well according to claim 1, characterized in that the outer diameter of the piston (12) is adapted to the inner diameter of the gas filled sleeve (10).
4. LNG tank with stop valve pump well according to claim 1, characterized in that the size of the inner LNG tank body (8) is smaller than the size of the outer tank body (1).
5. The LNG storage tank with the stop valve pump well according to claim 1, characterized in that one side of the shock absorption air bag (9) is adhered to the inner side wall of the outer tank body (1).
6. LNG tank with stop valve pump well according to claim 1, characterized in that the compression spring (7) has an inner diameter larger than the outer diameter of the telescopic rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022098601.4U CN213840460U (en) | 2020-09-23 | 2020-09-23 | Take LNG storage tank of stop valve pump well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022098601.4U CN213840460U (en) | 2020-09-23 | 2020-09-23 | Take LNG storage tank of stop valve pump well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213840460U true CN213840460U (en) | 2021-07-30 |
Family
ID=77005627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022098601.4U Expired - Fee Related CN213840460U (en) | 2020-09-23 | 2020-09-23 | Take LNG storage tank of stop valve pump well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213840460U (en) |
-
2020
- 2020-09-23 CN CN202022098601.4U patent/CN213840460U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |