CN216870098U - Liquefied natural gas sampler - Google Patents
Liquefied natural gas sampler Download PDFInfo
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- CN216870098U CN216870098U CN202122812732.9U CN202122812732U CN216870098U CN 216870098 U CN216870098 U CN 216870098U CN 202122812732 U CN202122812732 U CN 202122812732U CN 216870098 U CN216870098 U CN 216870098U
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Abstract
The utility model relates to the technical field of liquefied natural gas sampling, in particular to a liquefied natural gas sampler, which comprises a first sampling mechanism; the extraction mechanism is arranged in the first sampling mechanism, and liquefied natural gas is extracted from the first sampling mechanism through the extraction mechanism to form a first liquid storage cavity; a second sampling mechanism; the adjusting mechanism is arranged in the second sampling mechanism, and a second liquid storage cavity is formed in the second sampling mechanism after the liquid amount of the liquefied natural gas required by the adjusting mechanism is adjusted; the first liquid storage cavity and the second liquid storage cavity are communicated by a communicating pipe; the liquefied natural gas sampler provided by the utility model is novel in design and simple in structure, and the first sampling mechanism and the second sampling mechanism are matched, so that the liquefied natural gas is accurately sampled, the sampling quantity is convenient to adjust, the operation of workers is convenient, and the use requirements of the workers are met.
Description
Technical Field
The utility model relates to the technical field of liquefied natural gas sampling, in particular to a liquefied natural gas sampler.
Background
Liquefied natural gas, the main component of which 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 water with the same volume; 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.
There are a lot of problems in current liquefied natural gas's the sample in-process, and some samplers are not convenient for adjust the liquid natural gas's of sample volume, and some liquid natural gas's sampling volume control accuracy is lower simultaneously, reduces the holistic practicality of sampler, influences the operation. Therefore, a liquefied natural gas sampler is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art, provides the liquefied natural gas sampler, and particularly has the characteristics of simple operation, capacity adjustment and high sampling quantity control precision.
The technical problem solved by the utility model can be realized by adopting the following technical scheme:
a liquefied natural gas sampler comprises
A first sampling mechanism;
the extraction mechanism is arranged in the first sampling mechanism, and liquefied natural gas is extracted from the first sampling mechanism through the extraction mechanism to form a first liquid storage cavity;
a second sampling mechanism;
the adjusting mechanism is arranged in the second sampling mechanism, and a second liquid storage cavity is formed in the second sampling mechanism after the liquid amount of the liquefied natural gas required by the adjusting mechanism is adjusted;
the first liquid storage cavity and the second liquid storage cavity are communicated by a communicating pipe;
one end of the guide rod is connected with the adjusting mechanism, and the other end of the guide rod extends to the outside of the second sampling mechanism;
and the scale marks are arranged on the vertical outer side wall of the guide rod or the second sampling mechanism.
Furthermore, the first sampling mechanism comprises an extraction shell, an extraction pipe and a sampling pipe head, wherein the bottom end of the extraction shell is communicated with the extraction pipe, and the bottom end of the extraction pipe is communicated with the sampling pipe head;
the extraction mechanism includes first electric putter and sealing plug, first electric putter one end sets up on extraction shell top surface outside, and in the other end extended to the extraction shell, its end connection sealing plug, the sealing plug contacted along the lateral wall of circumference and the inside wall of extraction shell, and the sealing plug can slide from top to bottom in the extraction shell through first electric putter's effect, form first stock solution chamber between the sealing plug and the bottom terminal surface in the extraction shell, communicating pipe is located extraction shell bottom terminal surface and communicates with inside first stock solution chamber.
Furthermore, the second sampling mechanism comprises a sampling shell and a supporting leg, and the supporting leg is fixedly connected to the bottom of the sampling shell;
the adjusting mechanism comprises a second electric push rod and a piston, one end of the second electric push rod is arranged on the outer surface of the top end of the sampling shell, the other end of the second electric push rod extends into the sampling shell, the end part of the second electric push rod is connected with the piston, the piston is contacted with the inner side wall of the sampling shell along the circumferential side wall, the piston can slide up and down in the sampling shell under the action of the second electric push rod, a second liquid storage cavity is formed between the piston and the bottom end face in the sampling shell, and the communicating pipe is connected to the outer side wall of the bottom of the sampling shell and communicated with the second liquid storage cavity inside the sampling shell;
the surface of the top side of the piston is vertically connected with a guide rod, the other end of the guide rod extends out of the surface of the shell at the top of the extraction shell, and the guide rod can move up and down on the surface of the shell at the top of the extraction shell along with the up-and-down sliding of the piston.
Further, the piston still be provided with the sealing washer along the lateral wall of circumference, the sealing washer is along the lateral wall of circumference and the laminating of sample shell inner wall.
Furthermore, the surface of the guide rod along the length direction is provided with scale marks.
Furthermore, the sampling shell adopt transparent material to make, the scale mark sets up on the vertical lateral wall of sampling shell, and extends evenly distributed along sampling shell bottom border upwards.
Furthermore, the outer side surface of the bottom end of the sampling shell is communicated with a discharge pipe, and the surface of the discharge pipe is provided with a discharge valve.
Furthermore, a second one-way valve is arranged in the extraction pipe.
Furthermore, a first one-way valve is arranged in the communication pipe.
The utility model has the beneficial effects that:
1. the liquefied natural gas sampler provided by the utility model is novel in design and simple in structure, and under the action of the second electric push rod, the position of the piston is convenient to adjust automatically, the storage cavity in the inner cavity of the sampling shell is convenient to adjust, a worker can operate conveniently, and the use requirements of the worker are met.
2. When using, under the effect of the first sampling mechanism through setting up, the worker of being convenient for carries out automatic cycle operation to the sealing plug, is convenient for realize the automatic extraction to liquefied natural gas, improves hydraulic natural gas's extraction efficiency, has good market value, is fit for using widely.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall configuration of the lng sampler of the present invention.
Fig. 2 is a schematic diagram of the top side surface structure of the piston of the present invention.
FIG. 3 is a schematic structural diagram of the top surface of the sampling shell according to the present invention.
In the figure: 1. sampling shell, 2, communicating pipe, 3, first check valve, 4, first electric putter, 5, extraction shell, 6, sealing plug, 7, extraction pipe, 8, second check valve, 9, sampling tube head, 10, supporting leg, 11, discharge pipe, 12, guide bar, 13, scale mark, 14, second electric putter, 15, sealing washer, 16, piston.
Detailed Description
The technical solution of the lng sampler provided in the embodiments of the present invention will be described in detail by using several specific embodiments.
Referring to fig. 1, a liquefied natural gas sampler includes
A first sampling mechanism; the sampling device is used for directly connecting with the liquefied natural gas for sampling;
the extraction mechanism is arranged in the first sampling mechanism, and liquefied natural gas is extracted from the first sampling mechanism through the extraction mechanism to form a first liquid storage cavity; the obtained liquefied natural gas firstly enters a first liquid storage cavity;
a second sampling mechanism; for measuring the amount of liquefied natural gas taken to take it out and simultaneously discharging the required amount of liquefied natural gas to other vessels;
the adjusting mechanism is arranged in the second sampling mechanism, and a second liquid storage cavity is formed in the second sampling mechanism after the liquid amount of the liquefied natural gas required by the adjusting mechanism is adjusted; the required amount of liquefied natural gas is finally positioned in the second liquid storage cavity and can be discharged into other containers when the required amount of liquefied natural gas is discharged;
the first liquid storage cavity and the second liquid storage cavity are communicated by a communicating pipe 2; the liquefied natural gas extracted for the first time is located in the first liquid storage cavity, when the required amount is measured, the liquefied natural gas in the first liquid storage cavity enters the second liquid storage cavity through the communicating pipe 2 through the adjusting mechanism, and the second liquid storage cavity is the amount of the liquefied natural gas with the required amount; the liquid taking amount is more accurate by measuring the matching amount of the first liquid storage cavity and the second liquid storage cavity;
one end of the guide rod 12 is connected with the adjusting mechanism, and the other end of the guide rod 12 extends to the outside of the second sampling mechanism; the guide rod 12 has the function of guiding, so that the regulator can move horizontally, vertically and upwards when absorbing the liquefied natural gas, the liquid taking amount is accurate, and meanwhile, the liquid taking amount can be adjusted at any time;
the scale mark 13 is arranged on the guide rod 12 or the vertical outer side wall of the second sampling mechanism; the scale mark 13 is convenient for observe the required liquid volume of getting, sets up on guide bar 12 or on the second sampling mechanism all can realize, the convenient sample.
Further, a first one-way valve 3 is installed in the communicating pipe 2, and backflow of the measured required liquefied natural gas is avoided.
Further, referring to fig. 1, the first sampling mechanism comprises an extraction shell 5, an extraction pipe 7 and a sampling pipe head 9, the bottom end of the extraction shell 5 is communicated with the extraction pipe 7, and the bottom end of the extraction pipe 7 is communicated with the sampling pipe head 9; during sampling, the sampling pipe head 9 and the extraction pipe 7 are extended into the liquefied natural gas to be sampled, and then the liquefied natural gas is extracted by the extraction mechanism and enters the extraction shell 5;
the extraction mechanism comprises a first electric push rod 4 and a sealing plug 6, one end of the first electric push rod 4 is arranged on the outer surface of the top end of an extraction shell 5, the other end of the first electric push rod extends into the extraction shell 5, the end part of the first electric push rod is connected with the sealing plug 6, the sealing plug 6 is in contact with the inner side wall of the extraction shell 5 along the circumferential side wall, the sealing plug 6 can slide up and down in the extraction shell 5 under the action of the first electric push rod 4, when the sealing plug slides upwards, liquefied natural gas is extracted to enter the extraction shell 5, when the extraction is not needed, the sealing plug 6 is positioned at the bottom in the extraction shell 5, a first liquid storage cavity is formed between the sealing plug 6 and the bottom end surface in the extraction shell 5, the communicating pipe 2 is positioned at the bottom end surface of the extraction shell 5 and is communicated with the first liquid storage cavity inside, the liquefied natural gas extracted for the first time enters the first liquid storage cavity, when the required amount of the liquefied natural gas extracted for the first time needs to be measured, the liquefied natural gas enters the second sampling mechanism through the communicating pipe 2.
Further, a second one-way valve 8 is installed in the extraction pipe 7 and used for preventing the extracted liquefied natural gas from flowing backwards.
Further, referring to fig. 1, 2 and 3, the second sampling mechanism comprises a sampling shell 1 and a supporting leg 10, wherein the supporting leg 10 is fixedly connected to the bottom of the sampling shell 1; the sampling shell 1 can be directly placed on the ground, the liquefied natural gas is extracted through the extraction shell 5, the support legs 10 can ensure that the sampling shell 1 is in a horizontal state, and the accuracy of the measured liquefied natural gas is ensured;
the adjusting mechanism comprises a second electric push rod 14 and a piston 16, one end of the second electric push rod 14 is arranged on the outer surface of the top end of the sampling shell 1, the other end of the second electric push rod extends into the sampling shell 1, the end part of the second electric push rod is connected with the piston 16, the piston 16 is in contact with the inner side wall of the sampling shell 1 along the circumferential side wall, the piston 16 can slide up and down in the sampling shell 1 under the action of the second electric push rod 14, the second electric push rod 14 drives the piston 16 to move upwards when the measured amount is required, a second liquid storage cavity is formed between the piston 16 and the bottom end face in the sampling shell 1, the measured liquefied natural gas is stored in the second liquid storage cavity, the communicating pipe 2 is connected to the outer side wall of the bottom of the sampling shell 1 and is communicated with the second liquid storage cavity in the sampling shell 1, and the liquefied natural gas in the first liquid storage cavity enters the second liquid storage cavity through the communicating pipe 2;
the top surface of the piston 16 is vertically connected with the guide rod 12, the other end of the guide rod 12 extends out of the surface of the top shell of the extraction shell 5, the guide rod 12 can vertically move on the surface of the top shell of the extraction shell 5 along with the up-and-down sliding of the piston 16, and when the second electric push rod 14 drives the piston 16 to move upwards, the guide rod 12 can ensure that the whole second electric push rod 14 and the piston 16 vertically move upwards, so that the piston 16 is ensured to be horizontal, and the required amount of natural gas is ensured to be accurate.
Further, piston 16 still be provided with sealing washer 15 on the lateral wall along circumference, sealing washer 15 is along the lateral wall of circumference and the laminating of 1 inner wall of sample shell, adopts the further leakproofness of guaranteeing the second stock solution chamber of sealing washer 15, can not have air to get into the second stock solution intracavity when carrying out the volume of getting liquefied natural gas simultaneously, further assurance required amount of natural gas get the volume accurate.
Further, referring to fig. 1, the outer surface of the bottom end of the sampling shell 1 is communicated with a discharge pipe 11, a discharge valve is mounted on the surface of the discharge pipe 11, and when the measured lng needs to be stored in another container, the discharge valve on the discharge pipe 11 can be opened to discharge the lng in the second liquid storage chamber.
Furthermore, the surface of the guide rod 12 along the length direction is provided with scale marks 13, at this time, the guide rod 12 has both the guiding function and the graduated scale function, so that the sampling amount can be conveniently observed, and at this time, the sampling shell 1 has no material requirement.
Further, sample shell 1 adopt transparent material to make, scale mark 13 sets up on the vertical lateral wall of sample shell 1, and along 1 bottom border of sample upwards extend evenly distributed, guide bar 12 is the effect of direction only this moment, and the sample volume can be observed to the scale mark 13 on the vertical lateral wall of sample shell 1 through the sample volume.
When the liquefied natural gas sampler is used, a first electric push rod 4 and a second electric push rod 14 which appear in the application are externally connected with a power supply and a control switch when in use, the second electric push rod 14 is started, the second electric push rod 14 pushes a piston 16 to move, the piston 16 drives a guide rod 12 connected with the top side to move, the adjustment of the space of a second cavity in a sampling shell 1 is convenient to know by observing the scale mark 13 on the surface of the guide rod 12, the operation of workers is convenient, the extraction amount of liquefied natural gas is convenient to control, meanwhile, the first electric push rod 4 is started, the first electric push rod 4 pushes a sealing plug 6 to move, the external liquefied natural gas is convenient to be extracted from an extraction shell 5 through a sampling tube head 9 and an extraction tube 7 by moving the sealing plug 6, then the extracted liquefied natural gas is discharged into the sampling shell 1 through the sealing plug 6, and the sampling is convenient, realize automatic sampling, reduce worker's manual operation condition, improve work efficiency, satisfy the user demand.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Technical solutions between various embodiments may be combined with each other, but must be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Claims (9)
1. The utility model provides a liquefied natural gas sampler which characterized by: comprises that
A first sampling mechanism;
the extraction mechanism is arranged in the first sampling mechanism, and liquefied natural gas is extracted from the first sampling mechanism through the extraction mechanism to form a first liquid storage cavity;
a second sampling mechanism;
the adjusting mechanism is arranged in the second sampling mechanism, and a second liquid storage cavity is formed in the second sampling mechanism after the liquid amount of the liquefied natural gas required by the adjusting mechanism is adjusted;
the first liquid storage cavity and the second liquid storage cavity are communicated by a communicating pipe (2);
one end of the guide rod (12) is connected with the adjusting mechanism, and the other end of the guide rod (12) extends to the outside of the second sampling mechanism;
and the scale marks (13) are arranged on the vertical outer side wall of the guide rod (12) or the second sampling mechanism (13).
2. The lng sampler of claim 1, wherein: the first sampling mechanism comprises an extraction shell (5), an extraction pipe (7) and a sampling pipe head (9), the bottom end of the extraction shell (5) is communicated with the extraction pipe (7), and the bottom end of the extraction pipe (7) is communicated with the sampling pipe head (9);
the extraction mechanism includes first electric putter (4) and sealing plug (6), first electric putter (4) one end sets up on the outer surface in extraction shell (5) top, and the other end extends to in extraction shell (5), its end connection sealing plug (6), sealing plug (6) contact along the lateral wall of circumference and the inside wall of extraction shell (5), and sealing plug (6) can slide from top to bottom in extraction shell (5) through the effect of first electric putter (4), form first stock solution chamber between sealing plug (6) and the bottom terminal surface in extraction shell (5), communicating pipe (2) are located extraction shell (5) bottom terminal surface and communicate with inside first stock solution chamber.
3. A lng sampler according to claim 1 or 2, wherein: the second sampling mechanism comprises a sampling shell (1) and supporting legs (10), and the supporting legs (10) are fixedly connected to the bottom of the sampling shell (1);
the adjusting mechanism comprises a second electric push rod (14) and a piston (16), one end of the second electric push rod (14) is arranged on the outer surface of the top end of the sampling shell (1), the other end of the second electric push rod extends into the sampling shell (1), the end part of the second electric push rod is connected with the piston (16), the piston (16) is in contact with the inner side wall of the sampling shell (1) along the circumferential side wall, the piston (16) can slide up and down in the sampling shell (1) under the action of the second electric push rod (14), a second liquid storage cavity is formed between the piston (16) and the bottom end face in the sampling shell (1), and the communicating pipe (2) is connected to the outer side wall of the bottom of the sampling shell (1) and is communicated with the second liquid storage cavity inside the communicating pipe;
the top surface of the piston (16) is vertically connected with a guide rod (12), the other end of the guide rod (12) extends out of the surface of the top shell of the extraction shell (5), and the guide rod (12) can move up and down on the surface of the top shell of the extraction shell (5) along with the up-and-down sliding of the piston (16).
4. A lng sampler according to claim 3, wherein: piston (16) still be provided with sealing washer (15) along the lateral wall of circumference, sealing washer (15) are along the lateral wall of circumference and sample shell (1) inner wall laminating.
5. The lng sampler of claim 4, wherein: the surface of the guide rod (12) along the length direction is provided with scale marks (13).
6. The lng sampler of claim 4, wherein: sample shell (1) adopt transparent material to make, scale mark (13) set up on the vertical lateral wall of sample shell (1), and extend evenly distributed along sample shell (1) bottom border upwards.
7. A lng sampler according to claim 3, wherein: the outer side surface of the bottom end of the sampling shell (1) is communicated with a discharge pipe (11), and a discharge valve is arranged on the surface of the discharge pipe (11).
8. A lng sampler according to claim 2, wherein: and a second one-way valve (8) is arranged in the extraction pipe (7).
9. The lng sampler of claim 1, wherein: a first one-way valve (3) is installed in the communicating pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122812732.9U CN216870098U (en) | 2021-11-16 | 2021-11-16 | Liquefied natural gas sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122812732.9U CN216870098U (en) | 2021-11-16 | 2021-11-16 | Liquefied natural gas sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216870098U true CN216870098U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122812732.9U Active CN216870098U (en) | 2021-11-16 | 2021-11-16 | Liquefied natural gas sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216870098U (en) |
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2021
- 2021-11-16 CN CN202122812732.9U patent/CN216870098U/en active Active
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