CN116519433B - Liquefied natural gas sampling device convenient to operation - Google Patents
Liquefied natural gas sampling device convenient to operation Download PDFInfo
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- CN116519433B CN116519433B CN202310776964.4A CN202310776964A CN116519433B CN 116519433 B CN116519433 B CN 116519433B CN 202310776964 A CN202310776964 A CN 202310776964A CN 116519433 B CN116519433 B CN 116519433B
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- inlet pipe
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- 238000005070 sampling Methods 0.000 title claims abstract description 79
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 35
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 128
- 238000001816 cooling Methods 0.000 claims description 62
- 238000009434 installation Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 74
- 239000003345 natural gas Substances 0.000 abstract description 36
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000110 cooling liquid Substances 0.000 description 30
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/42—Low-temperature sample treatment, e.g. cryofixation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a liquefied natural gas sampling device convenient to operate, and particularly relates to the technical field of liquefied natural gas. According to the liquefied natural gas sampling device convenient to operate, the whole collecting device can be assembled and disassembled by using the arranged assembly, the use is convenient, the liquefying difficulty of the natural gas can be reduced by using the arranged heat dissipation device, the purity of the sampled liquefied natural gas is higher, meanwhile, the natural gas is compressed by using the piston rod, the natural gas is converted into the liquefied natural gas, the sampling effect of the device is better, and the follow-up work is facilitated.
Description
Technical Field
The invention relates to the technical field of liquefied natural gas, in particular to a liquefied natural gas sampling device convenient to operate.
Background
Liquefied natural gas has become an emerging industry in China, and in addition to solving the problems of transportation and storage, the technology of liquefied natural gas is widely used in peak shaving devices when natural gas is used, and the density of the liquefied natural gas is 625 times that of methane in a standard state, that is, 1m of liquefied natural gas can be gasified into 625m of natural gas, so that convenience in storage and transportation is seen.
Because the temperature of natural gas is higher, when sampling natural gas, need compress natural gas into liquefied natural gas, at this moment need cool down natural gas, so carry out cooling treatment to the sample jar, can effectively reduce the liquefaction degree of difficulty to can make natural gas liquid purity degree high.
The Chinese patent document CN209927542U discloses a portable natural gas sampling device, the device comprises a base, the upper surface both ends of the base are respectively fixedly connected with the bottom end of a damping spring, the top end of the damping spring is respectively fixedly connected with the two ends of the bottom surface of a cooling tank, a condenser is fixedly arranged on the upper surface of the base through bolts, the input end of the condenser is communicated with one end of the bottom of the cooling tank through a rubber hose, the output end of the condenser is fixedly connected with the input end of a water pump, the output end of the water pump is fixedly connected with the other end of the bottom of the cooling tank through a rubber hose, a sampling tank is coaxially and fixedly arranged in the cooling tank, a vertical sealing plate is slidably arranged in the sampling tank, a horizontal sleeve is slidably arranged on the other side of the sampling tank, two ends of the sleeve are fixedly provided with limiting blocks, a threaded rod is integrally formed with the sleeve, one end of the threaded rod, which faces the sealing plate, is rotatably connected with the sealing plate through a bearing, the other end of the threaded rod extends out of the sleeve, a turntable is fixedly arranged outside the sleeve, the cooling tank is used for cooling the sampling tank, the liquefying difficulty is reduced, and the purity of the natural gas liquid is high;
this patent is when in actual use, although can cool down the processing to the sample jar, but can't carry out quick installation to the heat sink and dismantle, because after using a period, the heat sink can be ageing, if want to change the heat sink can only dismantle whole device and change again, it is inconvenient to use, extravagant time simultaneously.
Disclosure of Invention
The invention mainly aims to provide a liquefied natural gas sampling device convenient to operate, which can effectively solve the problem that a cooling device cannot be quickly assembled and disassembled.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a sampling device of liquefied natural gas convenient to operation, includes bottom plate and heat abstractor, bottom plate upper end left part is equipped with the installation component, the one end that installation component is close to each other is equipped with collection device, collection device surface lower part left and right sides all is equipped with the fixed column, two the fixed column all with bottom plate fixed connection, heat abstractor and bottom plate fixed connection, heat abstractor runs through in collection device;
the heat dissipation device comprises a reciprocating assembly and a liquid storage assembly, wherein a fixed plate is arranged at the front end of the reciprocating assembly, the lower end of the fixed plate is fixedly connected with a bottom plate, a pressurizing assembly is arranged at the left end of the reciprocating assembly and is in sliding connection with the fixed plate, a linkage assembly is arranged on the right side of the lower portion of the outer surface of the pressurizing assembly, the linkage assembly penetrates through the liquid storage assembly, and the pressurizing assembly and the liquid storage assembly are communicated with the collecting device.
Preferably, the installation component includes two mounting panels, two the mounting panel lower extreme all with bottom plate fixed connection, two mounting panel upper portion right side is equipped with the threaded rod, the screw thread opposite direction of both sides around the threaded rod, two the one end upper portion left side that the mounting panel is close to each other is equipped with the slip post, both sides all are equipped with the sliding plate around the threaded rod outward appearance, two the sliding plate all with slip post sliding connection, two the one end lower part that the sliding plate is close to each other all is equipped with the installation piece.
Preferably, the collecting device comprises a cooling assembly, the cooling assembly is tightly attached to the two mounting blocks, the cooling assembly is fixedly connected with the two fixing columns, a sampling assembly is arranged on the inner surface of the cooling assembly, and the pressurizing assembly and the liquid storage assembly are communicated with the cooling assembly.
Preferably, the cooling assembly comprises a cooling shell, a cooling cavity is formed in the cooling shell, and the cooling shell is fixedly connected with the two fixing columns.
Preferably, the sampling assembly comprises a sampling shell, the sampling shell is in sliding connection with the cooling shell, the left end of the sampling shell is provided with a sampling tube, the left part of the outer surface of the sampling tube is provided with a bolt, the right part of the outer surface of the sampling tube is provided with a first valve, the inner surface of the sampling shell is provided with a sampling plug, the middle part of the right end of the sampling plug is provided with a piston rod, and the piston rod penetrates through the sampling shell.
Preferably, the reciprocating assembly comprises a motor, a main shaft is arranged at the output end of the motor, a driving plate is arranged at the rear part of the outer surface of the main shaft, a driven column is arranged at one side of the rear end of the driving plate, a connecting plate is arranged at the rear end of the driven column, a reciprocating block is arranged at the front end of the connecting plate, and the reciprocating block is in sliding connection with the fixing plate.
Preferably, the pressurizing assembly comprises a driven rod and two movable blocks, the driven rod is fixedly connected with the reciprocating block, a driven plug is arranged at the left end of the driven rod, a third liquid inlet pipe is arranged on the outer surface of the driven plug, a bearing column is arranged on the outer surface of the third liquid inlet pipe, a first liquid inlet pipe is arranged on the left side of the upper part of the outer surface of the third liquid inlet pipe, a second liquid inlet pipe is arranged on the left side of the lower part of the outer surface of the third liquid inlet pipe, the second liquid inlet pipe and the first liquid inlet pipe are communicated with the third liquid inlet pipe, the two movable blocks are T-shaped, and the two movable blocks are respectively in sliding connection with the inner surfaces of the first liquid inlet pipe and the second liquid inlet pipe.
Preferably, the linkage assembly comprises a connecting rod and a sliding assembly, the connecting rod is fixedly connected with the driven rod, the lower end of the connecting rod is provided with a driven block, the outer surface of the driven block is provided with a slideway, and the sliding assembly is in sliding connection with the driven block.
Preferably, the sliding assembly comprises a sliding rod, a sliding groove is formed in the upper portion of the sliding rod, the sliding groove is connected with the driven block in a sliding mode, and a filter plate is arranged at the lower end of the sliding rod.
Preferably, the liquid storage assembly comprises a liquid storage shell, the liquid storage shell is in sliding connection with the filter, the sliding rod penetrates through the liquid storage shell, a liquid outlet pipe is arranged at the right part of the front end of the liquid storage shell, a second valve is arranged on the upper part of the outer surface of the liquid outlet pipe, a fourth liquid inlet pipe is arranged at the left part of the rear end of the liquid storage shell, a third valve is arranged at the right part of the outer surface of the fourth liquid inlet pipe, and a liquid inlet cylinder is arranged at the left part of the upper end of the liquid storage shell.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the whole collecting device can be assembled and disassembled by using the arranged mounting assembly, the use is convenient, the sliding plates at the front side and the rear side can move in opposite directions by rotating the threaded rod, so that the two mounting blocks are driven to move, the collecting device is fixedly clamped, the collecting device is replaced, and the collecting device is easy and convenient to operate and saves time.
According to the invention, the liquefaction difficulty of natural gas can be reduced through the heat dissipation device, so that the purity of the sampled liquefied natural gas is higher, the reciprocating assembly can drive the driven rod to reciprocate, so that the cooling liquid in the liquid storage shell is pressurized, the flowing speed of the cooling liquid is accelerated, the natural gas in the sampling shell is cooled, the natural gas liquefaction difficulty is reduced, when the cooling liquid flows into the cooling shell through the pressurizing assembly, the cooling liquid in the cooling shell flows into the liquid storage shell from the fourth liquid inlet pipe, and meanwhile, the linkage assembly can cool the cooling liquid in the liquid storage shell, so that the cooling liquid has an auxiliary cooling effect, the liquefaction difficulty of the natural gas is reduced, the purity of the sampled liquefied natural gas is higher, the sampling effect is better finally, the subsequent work is facilitated to be completed, the natural gas is compressed by the piston rod, and the natural gas is converted into liquid state, so that the operation is simple and convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of another angle structure of the present invention;
FIG. 3 is a schematic view of the mounting assembly and the collection device of the present invention;
FIG. 4 is a schematic view of a cooling module and a sampling module according to the present invention;
FIG. 5 is a schematic diagram of a heat dissipating device according to the present invention;
FIG. 6 is an enlarged schematic view of FIG. 5A in accordance with the present invention;
FIG. 7 is a schematic view of a pressing assembly and a linkage assembly according to the present invention;
FIG. 8 is a schematic plan view of a pressing assembly according to the present invention;
FIG. 9 is a schematic view of a sliding assembly according to the present invention;
fig. 10 is a schematic structural diagram of a liquid storage assembly according to the present invention.
In the figure: 1. a bottom plate; 2. a mounting assembly; 3. a collecting device; 4. fixing the column; 5. a heat sink; 20. a mounting plate; 21. a sliding plate; 22. a threaded rod; 23. a sliding column; 24. a mounting block; 30. a cooling assembly; 31. a sampling assembly; 300. cooling the housing; 301. a cooling chamber; 310. a sampling housing; 311. a sampling tube; 312. a sampling plug; 313. a piston rod; 314. a first valve; 315. a bolt; 50. a fixing plate; 51. a reciprocating assembly; 52. a pressurizing assembly; 53. a liquid storage component; 54. a linkage assembly; 510. a motor; 511. an active plate; 512. a main shaft; 513. a driven column; 514. a connecting plate; 515. a reciprocating block; 520. a first liquid inlet pipe; 521. a driven rod; 522. a driven plug; 523. a bearing column; 524. a second liquid inlet pipe; 525. a third liquid inlet pipe; 526. a movable block; 540. a driven block; 541. a sliding assembly; 542. a connecting rod; 543. a slideway; 5410. a slide bar; 5411. a filter plate; 5412. a chute; 530. a liquid storage housing; 531. a liquid outlet pipe; 532. a second valve; 533. a liquid inlet cylinder; 534. a fourth liquid inlet pipe; 535. and a third valve.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1-4, a sampling device of liquefied natural gas convenient to operate comprises a bottom plate 1 and a heat dissipation device 5, wherein a mounting assembly 2 is arranged at the left part of the upper end of the bottom plate 1, a collecting device 3 is arranged at one end, close to each other, of the mounting assembly 2, fixing columns 4 are respectively arranged at the left side and the right side of the lower part of the outer surface of the collecting device 3, the two fixing columns 4 are fixedly connected with the bottom plate 1, the heat dissipation device 5 is fixedly connected with the bottom plate 1, and the heat dissipation device 5 penetrates through the collecting device 3;
after long-time use, the collecting device 3 may malfunction, the collecting device 3 can be replaced by the mounting assembly 2, the operation is simple, the time is saved, and the temperature of the natural gas is high so that the purity of the sampled liquefied natural gas is high, the heat dissipation device 5 can cool the natural gas, the liquefaction difficulty is reduced, the natural gas is compressed into the liquefied natural gas, and the follow-up work is facilitated.
As shown in fig. 3, the mounting assembly 2 comprises two mounting plates 20, the lower ends of the two mounting plates 20 are fixedly connected with the bottom plate 1, threaded rods 22 are arranged on the right sides of the upper parts of the two mounting plates 20, the directions of threads on the front side and the rear side of the threaded rods 22 are opposite, sliding columns 23 are arranged on the left side of the upper parts of one ends of the two mounting plates 20, which are close to each other, of the two mounting plates 20, sliding plates 21 are arranged on the front side and the rear side of the outer surface of the threaded rods 22, the two sliding plates 21 are in sliding connection with the sliding columns 23, and mounting blocks 24 are arranged on the lower parts of one ends of the two sliding plates 21, which are close to each other;
because the screw thread direction of the front and rear parts of the set threaded rod 22 is opposite, when the threaded rod 22 rotates, the sliding plates 21 on the front and rear sides can move in opposite directions, so that the two mounting blocks 24 are driven to move, the collecting device 3 is fixedly clamped, and the collecting device 3 is replaced.
The collecting device 3 comprises a cooling component 30, the cooling component 30 is tightly attached to the two mounting blocks 24, the cooling component 30 is fixedly connected with the two fixing columns 4, a sampling component 31 is arranged on the inner surface of the cooling component 30, and a pressurizing component 52 and a liquid storage component 53 are communicated with the cooling component 30;
the cooling assembly 30 is provided with cooling liquid inside, and when the cooling liquid flows, the natural gas inside the sampling assembly 31 can be cooled, so that the liquefying difficulty is effectively reduced, and the purity of the sampled liquefied natural gas is higher.
In detail, referring to fig. 4, the cooling assembly 30 includes a cooling housing 300, a cooling cavity 301 is disposed inside the cooling housing 300, and the cooling housing 300 is fixedly connected with the two fixing posts 4;
the sampling assembly 31 comprises a sampling shell 310, the sampling shell 310 is in sliding connection with the cooling shell 300, a sampling tube 311 is arranged at the left end of the sampling shell 310, a bolt 315 is arranged at the left part of the outer surface of the sampling tube 311, a first valve 314 is arranged at the right part of the outer surface of the sampling tube 311, a sampling plug 312 is arranged on the inner surface of the sampling shell 310, a piston rod 313 is arranged in the middle of the right end of the sampling plug 312, and the piston rod 313 penetrates through the sampling shell 310;
the method comprises the steps of firstly fixing a natural gas pipeline by using bolts 315, then opening a first valve 314, at this time, natural gas enters the sampling shell 310, at this time, the sampling plug 312 and the piston rod 313 move rightwards and then cool, cooling the natural gas in the sampling shell 310 when the cooling shell 300 is filled with cooling liquid, then moving the piston rod 313 and the sampling plug 312 leftwards to compress the natural gas when the cooling liquid flows, so that the natural gas is converted into liquefied natural gas, thereby completing the sampling of the liquefied natural gas, closing the valve, and integrally taking out the sampling assembly 31 due to the sliding connection of the cooling shell 300 and the sampling shell 310, thereby moving the sampled liquefied natural gas, and completing the subsequent work.
The specific implementation mode is as follows: in order to install and replace the collection device 3 as a whole, the sliding plates 21 on the front side and the rear side are moved in opposite directions by rotating the threaded rod 22, so that the two installation blocks 24 are driven to move, the collection device 3 is fixedly clamped, the collection device 3 is replaced, the operation is simple and convenient, time is saved, after the collection device is installed and fixed, a natural gas pipeline is fixed by using the set bolts 315, then the first valve 314 is opened, natural gas can enter the sampling shell 310, the sampling plug 312 and the piston rod 313 can move to the right side, then the cooling liquid in the cooling shell 300 is utilized, the natural gas in the sampling shell 310 can be cooled, and the liquefied natural gas sampling is completed.
Example two
In this embodiment, the heat dissipating device 5 is further improved based on the first embodiment, as shown in fig. 5-10, in order to make the purity of the collected liquefied natural gas higher, the natural gas can be cooled, and the liquefaction difficulty can be effectively reduced.
As shown in fig. 5, the heat dissipating device 5 comprises a reciprocating assembly 51 and a liquid storage assembly 53, wherein a fixed plate 50 is arranged at the front end of the reciprocating assembly 51, the lower end of the fixed plate 50 is fixedly connected with the bottom plate 1, a pressurizing assembly 52 is arranged at the left end of the reciprocating assembly 51, the pressurizing assembly 52 is in sliding connection with the fixed plate 50, a linkage assembly 54 is arranged at the right side of the lower part of the outer surface of the pressurizing assembly 52, the linkage assembly 54 penetrates through the liquid storage assembly 53, and the pressurizing assembly 52 and the liquid storage assembly 53 are both communicated with the collecting device 3;
the reciprocating assembly 51 can drive the pressurizing assembly 52 to reciprocate, so that the liquid in the liquid storage assembly 53 is pressurized, the cooling liquid in the cooling shell 300 is accelerated to flow, the linkage assembly 54 is driven to move while the pressurizing assembly 52 works, the cooling liquid in the liquid storage assembly 53 can flow faster, the cooling liquid in the liquid storage assembly 53 is cooled, and the temperature of the cooling liquid is kept cool.
Specifically, as shown in fig. 6, the reciprocating assembly 51 includes a motor 510, a main shaft 512 is disposed at an output end of the motor 510, a driving plate 511 is disposed at a rear portion of an outer surface of the main shaft 512, a driven column 513 is disposed at a rear end side of the driving plate 511, a connecting plate 514 is disposed at a rear end of the driven column 513, a reciprocating block 515 is disposed at a front end of the connecting plate 514, and the reciprocating block 515 is slidably connected with the fixing plate 50;
the motor 510 is started to rotate the main shaft 512, so that the driving plate 511 also rotates, and the connecting plate 514 drives the reciprocating block 515 to slide, so that reciprocation is realized.
As shown in fig. 7, the linkage assembly 54 includes a connecting rod 542 and a sliding assembly 541, the connecting rod 542 is fixedly connected with the driven rod 521, the lower end of the connecting rod 542 is provided with a driven block 540, the outer surface of the driven block 540 is provided with a slideway 543, and the sliding assembly 541 is slidably connected with the driven block 540;
when the reciprocating assembly 51 works, the connecting rod 542 is moved, so that the driven block 540 is driven to move, the sliding assembly 541 is driven to move up and down, and finally the flowing speed of the cooling liquid in the liquid storage assembly 53 is increased, so that the temperature of the cooling liquid is reduced more rapidly.
As shown in fig. 8, the pressurizing assembly 52 includes a driven rod 521 and two movable blocks 526, the driven rod 521 is fixedly connected with the reciprocating block 515, the left end of the driven rod 521 is provided with a driven plug 522, the outer surface of the driven plug 522 is provided with a third liquid inlet pipe 525, the outer surface of the third liquid inlet pipe 525 is provided with a bearing column 523, the left side of the upper part of the outer surface of the third liquid inlet pipe 525 is provided with a first liquid inlet pipe 520, the left side of the lower part of the outer surface of the third liquid inlet pipe 525 is provided with a second liquid inlet pipe 524, the second liquid inlet pipe 524 and the first liquid inlet pipe 520 are both communicated with the third liquid inlet pipe 525, the two movable blocks 526 are T-shaped, and the two movable blocks 526 are respectively connected with the inner surfaces of the first liquid inlet pipe 520 and the second liquid inlet pipe 524 in a sliding manner;
when the reciprocating block 515 moves, the driven rod 521 moves, so as to drive the inner surface of the third liquid inlet pipe 525 in the driven plug 522 to slide, and because the liquid storage component 53 is communicated with the second liquid inlet pipe 524, when the driven plug 522 moves to the right side, the lower movable block 526 moves upwards, at this time, a gap is reserved between the lower movable block 526 and the second liquid inlet pipe 524, and at the same time, the upper movable block 526 blocks the gap of the first liquid inlet pipe 520, so that the cooling liquid in the liquid storage component 53 flows into the third liquid inlet pipe 525, and when the driven plug 522 moves to the left side, the upper movable block 526 moves upwards, at this time, the movable block 526 and the first liquid inlet pipe 520 leave a gap, but the lower movable block 526 blocks the gap of the second liquid inlet pipe 524, at this time, the cooling liquid in the third liquid inlet pipe 525 flows into the first liquid inlet pipe 520 from the third liquid inlet pipe, and then flows into the cooling shell 300, so that the cooling liquid in the cooling shell 300 is continuously replaced, the temperature of the natural gas is reduced, and the final purity of the natural gas is reduced.
Specifically, referring to fig. 9, the sliding assembly 541 includes a sliding rod 5410, a sliding slot 5412 is formed in an upper portion of the sliding rod 5410, the sliding slot 5412 is slidably connected to the driven block 540, and a filter plate 5411 is disposed at a lower end of the sliding rod 5410;
when the driven rod 521 moves, the connecting rod 542 is driven to move, the connecting rod 542 can enable the driven block 540 to move, and since the left part of the driven block 540 is an inclined surface and the top surface of the sliding groove 5412 is an inclined surface, when the driven block 540 moves, the sliding rod 5410 can be enabled to move up and down, so that the flow speed of cooling liquid in the liquid storage assembly 53 is increased, the effect of auxiliary cooling is achieved, and meanwhile, the filter plate 5411 can isolate impurities in the cooling liquid.
As shown in fig. 10, the liquid storage assembly 53 includes a liquid storage housing 530, the liquid storage housing 530 is slidably connected with a filter plate 5411, a sliding rod 5410 penetrates through the liquid storage housing 530, a liquid outlet pipe 531 is disposed at the right portion of the front end of the liquid storage housing 530, a second valve 532 is disposed at the upper portion of the outer surface of the liquid outlet pipe 531, a fourth liquid inlet pipe 534 is disposed at the left portion of the rear end of the liquid storage housing 530, a third valve 535 is disposed at the right portion of the outer surface of the fourth liquid inlet pipe 534, and a liquid inlet cylinder 533 is disposed at the left portion of the upper end of the liquid storage housing 530;
the liquid inlet tube 533 is configured to add new cooling liquid, and after a period of use, the old cooling liquid can be discharged through the liquid outlet tube 531, and the fourth liquid inlet tube 534 is configured to communicate with the cooling housing 300, so that the cooling liquid in the cooling housing 300 can flow into the liquid storage housing 530, and the cooling liquid can circulate.
The specific implementation mode is as follows: in order to make the purity of the sampled lng higher, the temperature inside the sampling housing 310 needs to be reduced, the motor 510 is started to rotate the main shaft 512, so that the driving plate 511 also rotates, the connecting plate 514 drives the reciprocating block 515 to slide, the reciprocating block 515 drives the driven rod 521 and the driven plug 522 to move after moving, when the driven plug 522 moves to the right, the upper movable block 526 blocks the gap of the first liquid inlet pipe 520, and the lower movable block 526 moves upwards, so that one end gap is left between the movable block 526 and the second liquid inlet pipe 524, so that the cooling liquid inside the liquid storage housing 530 flows into the third liquid inlet pipe 525 from the gap, when the driven plug 522 moves to the left, the upper movable block 526 moves upwards, at this time, a gap is left between the movable block 526 and the first liquid inlet pipe 520, and meanwhile, the movable block 526 at the lower part moves downwards to block the second liquid inlet pipe 524, so that the cooling liquid in the third liquid inlet pipe 525 flows into the first liquid inlet pipe 520, and finally flows into the cooling shell 300, so that the cooling liquid is continuously replaced, the liquefaction difficulty of natural gas is reduced, the movable block 521 moves while moving the movable rod 521, the movable block 540 is driven to move, the movable rod 5410 moves up and down, the flow speed of the cooling liquid in the liquid storage assembly 53 is accelerated, the auxiliary cooling effect is achieved, and the piston rod 313 is pulled to liquefy the natural gas while cooling, so that the sampling purity of the natural gas is finally higher.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a sampling device of liquefied natural gas convenient to operation, includes bottom plate (1) and heat abstractor (5), its characterized in that: the novel heat radiation device is characterized in that a mounting assembly (2) is arranged at the left part of the upper end of the bottom plate (1), a collecting device (3) is arranged at one end, close to each other, of the mounting assembly (2), fixing columns (4) are arranged at the left side and the right side of the lower part of the outer surface of the collecting device (3), the two fixing columns (4) are fixedly connected with the bottom plate (1), a heat radiation device (5) is fixedly connected with the bottom plate (1), and the heat radiation device (5) penetrates through the collecting device (3);
the heat dissipation device (5) comprises a reciprocating assembly (51) and a liquid storage assembly (53), a fixed plate (50) is arranged at the front end of the reciprocating assembly (51), the lower end of the fixed plate (50) is fixedly connected with a bottom plate (1), a pressurizing assembly (52) is arranged at the left end of the reciprocating assembly (51), the pressurizing assembly (52) is slidably connected with the fixed plate (50), a linkage assembly (54) is arranged on the right side of the lower part of the outer surface of the pressurizing assembly (52), the linkage assembly (54) penetrates through the liquid storage assembly (53), and both the pressurizing assembly (52) and the liquid storage assembly (53) are communicated with the collecting device (3);
the reciprocating assembly (51) comprises a motor (510), a main shaft (512) is arranged at the output end of the motor (510), a driving plate (511) is arranged at the rear part of the outer surface of the main shaft (512), a driven column (513) is arranged at one side of the rear end of the driving plate (511), a connecting plate (514) is arranged at the rear end of the driven column (513), a reciprocating block (515) is arranged at the front end of the connecting plate (514), and the reciprocating block (515) is in sliding connection with a fixed plate (50);
the pressurizing assembly (52) comprises a driven rod (521) and two movable blocks (526), the driven rod (521) is fixedly connected with the reciprocating block (515), a driven plug (522) is arranged at the left end of the driven rod (521), a third liquid inlet pipe (525) is arranged on the outer surface of the driven plug (522), a bearing column (523) is arranged on the outer surface of the third liquid inlet pipe (525), a first liquid inlet pipe (520) is arranged on the left side of the upper part of the outer surface of the third liquid inlet pipe (525), a second liquid inlet pipe (524) is arranged on the left side of the lower part of the outer surface of the third liquid inlet pipe (525), the second liquid inlet pipe (524) and the first liquid inlet pipe (520) are communicated with the third liquid inlet pipe (525), the two movable blocks (526) are in a T shape, and the two movable blocks (526) are respectively connected with the inner surfaces of the first liquid inlet pipe (520) and the second liquid inlet pipe (524) in a sliding mode;
the linkage assembly (54) comprises a connecting rod (542) and a sliding assembly (541), the connecting rod (542) is fixedly connected with the driven rod (521), a driven block (540) is arranged at the lower end of the connecting rod (542), a slideway (543) is arranged on the outer surface of the driven block (540), and the sliding assembly (541) is in sliding connection with the driven block (540);
when the reciprocating assembly (51) works, the connecting rod (542) is moved, so that the driven block (540) is driven to move, and the sliding assembly (541) is driven to move up and down.
2. An easy to operate liquefied natural gas sampling apparatus as claimed in claim 1, wherein: the installation component (2) includes two mounting panel (20), two mounting panel (20) lower extreme all with bottom plate (1) fixed connection, two mounting panel (20) upper portion right side is equipped with threaded rod (22), the screw thread opposite direction of both sides around threaded rod (22), two mounting panel (20) are close to each other one end upper portion left side is equipped with sliding column (23), both sides all are equipped with sliding plate (21) around threaded rod (22) outward appearance, two sliding plate (21) all with sliding column (23) sliding connection, two sliding plate (21) are close to each other one end lower part all is equipped with installation piece (24).
3. An easy to operate liquefied natural gas sampling apparatus as claimed in claim 2, wherein: the collecting device (3) comprises a cooling assembly (30), the cooling assembly (30) is tightly attached to the two mounting blocks (24), the cooling assembly (30) is fixedly connected with the two fixing columns (4), a sampling assembly (31) is arranged on the inner surface of the cooling assembly (30), and the pressurizing assembly (52) and the liquid storage assembly (53) are communicated with the cooling assembly (30).
4. A readily operable liquefied natural gas sampling apparatus as claimed in claim 3, wherein: the cooling assembly (30) comprises a cooling shell (300), a cooling cavity (301) is formed in the cooling shell (300), and the cooling shell (300) is fixedly connected with the two fixing columns (4).
5. An easy to handle liquefied natural gas sampling apparatus as claimed in claim 4, wherein: the sampling assembly (31) comprises a sampling shell (310), the sampling shell (310) is in sliding connection with a cooling shell (300), a sampling tube (311) is arranged at the left end of the sampling shell (310), a bolt (315) is arranged at the left part of the outer surface of the sampling tube (311), a first valve (314) is arranged at the right part of the outer surface of the sampling tube (311), a sampling plug (312) is arranged on the inner surface of the sampling shell (310), a piston rod (313) is arranged at the middle part of the right end of the sampling plug (312), and the piston rod (313) penetrates through the sampling shell (310).
6. An easy to operate liquefied natural gas sampling apparatus as claimed in claim 1, wherein: the sliding assembly (541) comprises a sliding rod (5410), a sliding groove (5412) is formed in the upper portion of the sliding rod (5410), the sliding groove (5412) is in sliding connection with the driven block (540), and a filter plate (5411) is arranged at the lower end of the sliding rod (5410).
7. An easy to operate liquefied natural gas sampling apparatus as claimed in claim 6, wherein: the liquid storage assembly (53) comprises a liquid storage shell (530), the liquid storage shell (530) is connected with a filter plate (5411) in a sliding mode, a sliding rod (5410) penetrates through the liquid storage shell (530), a liquid outlet pipe (531) is arranged on the right portion of the front end of the liquid storage shell (530), a second valve (532) is arranged on the upper portion of the outer surface of the liquid outlet pipe (531), a fourth liquid inlet pipe (534) is arranged on the left portion of the rear end of the liquid storage shell (530), a third valve (535) is arranged on the right portion of the outer surface of the fourth liquid inlet pipe (534), and a liquid inlet cylinder (533) is arranged on the left portion of the upper end of the liquid storage shell (530).
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| CN202310776964.4A CN116519433B (en) | 2023-06-29 | 2023-06-29 | Liquefied natural gas sampling device convenient to operation |
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| CN202310776964.4A CN116519433B (en) | 2023-06-29 | 2023-06-29 | Liquefied natural gas sampling device convenient to operation |
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| CN116519433B true CN116519433B (en) | 2023-09-19 |
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| CN116519433A (en) | 2023-08-01 |
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