CN210513837U - Gas sampling and collecting device - Google Patents
Gas sampling and collecting device Download PDFInfo
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- CN210513837U CN210513837U CN201921266039.2U CN201921266039U CN210513837U CN 210513837 U CN210513837 U CN 210513837U CN 201921266039 U CN201921266039 U CN 201921266039U CN 210513837 U CN210513837 U CN 210513837U
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- 238000005070 sampling Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 18
- 241001330002 Bambuseae Species 0.000 claims abstract description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 18
- 239000011425 bamboo Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 21
- 230000007306 turnover Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 30
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a gas sampling collection device relates to laboratory glassware technical field, aims at solving the problem that gas collection is inefficient, and its technical scheme main points are: including the collection section of thick bamboo, push-and-pull rod and piston, the push-and-pull rod drives the piston reciprocating motion in the collection section of thick bamboo, one side that the push-and-pull rod was kept away from to the collection section of thick bamboo is equipped with the intake pipe that switches on mutually with the collection section of thick bamboo inner chamber, install one-way structure in the intake pipe, one-way structure includes the valve body, install the steel ball in the valve body and be located the reset spring of steel ball upper end, the air inlet that the lower extreme was conical cavity and was used for switching on the cavity is seted up to the valve body, steel ball and reset spring install in the cavity, the steel ball is used for realizing sealedly with cavity. The utility model discloses can improve gaseous collection efficiency greatly, it is more convenient to use.
Description
Technical Field
The utility model relates to an experimental apparatus technical field, more specifically say, it relates to a gas sampling collection device.
Background
The rapid development of science and technology and industrial modernization process also bring about the adverse effect of gas environment pollution in our living space, meanwhile, the protection and monitoring requirements of people on working and living environments are increasing day by day, the detection of various space environment gases is more scientific and reasonable, more perfect, more precise, more standard, more detailed and more timely, the problems in the aspects of related occasions, methods, precision and the like are also gradually increased, and the gas monitoring needs to take a sample to a specific laboratory for further detailed detection and measurement when the sample is collected away from the site.
In the prior art, gather gaseous sample and generally adopt the bladder, through holding the bladder, gaseous exhaust in the bladder earlier, the bladder is when recovering former shape, with gaseous suction in the bladder, then arrange the gaseous sample container of gathering in the bladder in, this gaseous collection method need collect gaseous with the help of the elastic deformation of bladder, gaseous collection time is long, the collection efficiency is low, and the bladder is when gaseous in the discharge collection, inhale the gaseous discharge gas in the bladder once more very easily, lead to gaseous collection volume unstable.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to provide a gas sampling and collecting device for solving the above-mentioned problems, which is used to improve the gas collection efficiency.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a gaseous sampling collection device, includes a collection section of thick bamboo, push-and-pull rod and piston, the push-and-pull rod drives the piston and is used for realizing gaseous business turn over in a collection section of thick bamboo reciprocating motion, one side that the push-and-pull rod was kept away from to a collection section of thick bamboo is equipped with the intake pipe that switches on mutually with a collection section of thick bamboo inner chamber, install unidirectional structure in the intake pipe, unidirectional structure includes the valve body, installs the steel ball in the valve body and is located the reset spring of steel ball upper end, the air inlet that the lower extreme was conical cavity and was used for switching on the cavity is seted up to the valve body, steel ball and reset spring install in the cavity, the steel ball is used for realizing sealedly with cavity lower extreme inner wall cooperation, the inner.
By adopting the technical scheme, the collecting cylinder, the push-pull rod and the piston are arranged, the air inlet pipe is provided with the one-way structure, the piston is pulled to move in the collecting cylinder by the push-pull rod, so that the negative pressure condition is generated in the collecting cylinder, namely the internal pressure of the collecting cylinder is less than the external air pressure, the external air generates acting force on the steel balls, and the return spring is compressed, namely the steel balls generate gaps with the inner wall of the lower end of the cavity, so that the cavity is communicated with the external air, thereby realizing the collection of gas, when the push-pull rod is not pulled, the return spring can restore the original position due to elasticity, namely the steel balls are tightly propped against the inner wall of the lower end of the cavity, the collection of the gas is finished, at the moment, the manual air valve is manually opened, the piston is pushed to move in the collecting cylinder by the, the gas collecting device has the advantages of being capable of avoiding exhaust gas from entering the collecting cylinder again, greatly shortening gas collecting time, improving gas collecting efficiency, simple to operate, convenient to carry, safe, reliable and wide in applicability.
The utility model discloses further set up to: the side face of the piston is bonded with a rubber sealing sleeve, three rings of rubber sealing rings protruding outwards are arranged on the outer side of the circumference of the rubber sealing sleeve, and the outer diameter size of each rubber sealing ring is larger than or equal to the inner diameter size of the collection cylinder.
Through adopting above-mentioned technical scheme, set up rubber seal through setting up rubber seal cover and setting up rubber seal in the circumference outside of rubber seal cover, can make rubber seal and collection section of thick bamboo inner wall laminating, the sealed effect of reinforcing because rubber seal sets up three rings simultaneously, even the condition that the leakproofness worsens appears in one of them circle, all the other two rings still can keep gathering the seal between section of thick bamboo and the piston, improve result of use and life.
The utility model discloses further set up to: the air inlet is connected with the rubber tube, the rubber tube is connected with the sample collection mouth, the sample collection mouth is tubaeform.
Through adopting above-mentioned technical scheme, through setting up the rubber tube, be equivalent to the length of reinforcing air inlet when the sample, be convenient for rotate the rubber tube moreover, thereby adjustment sample acquisition mouthful direction, the person of facilitating the use gathers the sample, and set the sample acquisition mouth into the loudspeaker shape in addition, can increase the collection area of sample effectively, be favorable to the quick collection of sample, also can be at sample acquisition mouthful front end installation filter screen isotructure, can prevent that large granule material from getting into and stopping up the pipeline.
The utility model discloses further set up to: the lateral wall of air inlet and the one end of sample collection mouth all are equipped with the internal thread, the both ends of rubber tube all are equipped with the hickey, the external screw thread and the internal thread of hickey cooperate and are used for connecting sample collection mouth, rubber tube and air inlet.
Through adopting above-mentioned technical scheme, through carrying out threaded connection respectively with sample collection mouth, rubber tube and air inlet three for sample collection mouth and rubber tube all can be dismantled the separation, are convenient for take, use and deposit.
The utility model discloses further set up to: the end of the push-pull rod, which is far away from the air inlet, is fixedly connected with an annular handle, and the end, which is far away from the air inlet, of the side surface of the collecting cylinder is provided with a stress block.
Through adopting above-mentioned technical scheme, through setting up annular handle, be convenient for grip, conveniently carry out the push-and-pull to the push-and-pull rod, improve gaseous collection efficiency, set up the atress piece moreover, the atress piece can be followed and a collection section of thick bamboo outside personally submits circumference equiangular distribution, increases the stress point, is convenient for carry out the atress when push-and-pull rod reciprocating motion, further improves gaseous collection efficiency.
The utility model discloses further set up to: and scales for measuring the volume of the gas in the collecting cylinder are arranged on the push-pull rod.
By adopting the technical scheme, the gas collecting cylinder is convenient to calculate the gas quantity collected by the collecting cylinder by setting the scales, and the gas collecting quantity is ensured to meet the requirement.
To sum up, the utility model discloses following beneficial effect has:
1. through setting up collection cylinder, push-and-pull rod and piston to installation one-way structure in the intake pipe realizes gaseous sampling and save, can avoid exhaust gas to get into collection cylinder once more in, shortens gaseous collection time greatly, improves gaseous collection efficiency, easy operation, convenient to carry moreover, safe and reliable, extensive applicability.
2. Through setting up rubber seal cover and three rings of rubber seal, can strengthen sealed effect, even wherein the leakproofness condition that the leakproofness worsens appears in one of them circle, all the other two rings still can keep gathering the leakproofness between a section of thick bamboo and the piston, improve result of use and life.
3. Through setting up the rubber tube, be equivalent to the length of reinforcing air inlet when the sample, be convenient for rotate the rubber tube moreover to adjustment sample collection mouthful direction, the person of facilitating the use gathers the sample, sets the sample collection mouth into the loudspeaker shape moreover, can effectively increase the collection area of sample, is favorable to the quick collection of sample.
4. Through carrying out threaded connection with sample collection mouth, rubber tube and air inlet three respectively for sample collection mouth and rubber tube all can be dismantled the separation, are convenient for take, use and deposit.
5. Through setting up annular handle, be convenient for grip, conveniently carry out the push-and-pull to the push-and-pull rod, improve gaseous collection efficiency, set up the atress piece moreover, increase the stress point, be convenient for carry out the atress when push-and-pull rod reciprocating motion, further improve gaseous collection efficiency.
6. Through setting up the scale, be convenient for calculate the gas volume of gathering the section of thick bamboo collection, ensure that gas collection volume meets the requirements.
Drawings
Fig. 1 is a schematic structural view of a gas sampling and collecting device of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is the structural schematic diagram of the one-way structure in the gas sampling and collecting device of the present invention.
Reference numerals: 1. a collection cylinder; 2. a piston; 3. a rubber sealing sleeve; 4. a rubber seal ring; 5. a push-pull rod; 6. an air inlet pipe; 7. a unidirectional structure; 71. a valve body; 72. a return spring; 73. a cavity; 74. steel balls; 75. an air inlet; 8. a hose; 9. a sample collection port; 10. an internal thread; 11. a threaded interface; 12. an air outlet pipe; 13. a connecting port; 14. a manual air valve; 15. a stress block; 16. an annular handle; 17. and (4) calibration.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, a gas sampling and collecting device comprises a collecting cylinder 1, a piston 2 is arranged in the collecting cylinder 1, a rubber sealing sleeve 3 is bonded on the side surface of the piston 2 through glue water and can enhance the sealing effect, three rings of rubber sealing rings 4 protruding outwards are arranged on the outer side of the circumference of the rubber sealing sleeve 3, the outer diameter of each rubber sealing ring 4 is larger than or equal to the inner diameter of the collecting cylinder 1, even if the sealing performance of one ring of the rubber sealing ring 4 is deteriorated, the other two rings of the rubber sealing rings 4 can still maintain the sealing performance between the collecting cylinder 1 and the piston 2, the using effect and the service life are improved, a push-pull rod 5 is fixed on the piston 2, the push-pull rod 5 drives the piston 2 to reciprocate in the collecting cylinder 1 to realize the inlet and outlet of gas, an air inlet pipe 6 communicated with the inner cavity of the collecting cylinder 1 is arranged on one side of the collecting cylinder 1 far away from the, the one-way structure 7 comprises a valve body 71, a steel ball 74 arranged in the valve body 71 and a reset spring 72 positioned at the upper end of the steel ball 74, the valve body 71 is provided with a cavity 73 with a conical lower end, the steel ball 74 and the reset spring 72 are arranged in the cavity 73, the steel ball 74 is matched with the inner wall of the lower end of the cavity 73 to realize sealing, the valve body 71 is also provided with an air inlet 75 for communicating the cavity 73, the air inlet 75 is connected with a rubber tube 8, the rubber tube 8 is connected with a sample collection port 9, the sample collection port 9 is horn-shaped, the rubber tube 8 is arranged to equivalently enhance the length of the air inlet 75 during sampling and is convenient to rotate the rubber tube 8, thereby adjusting the direction of the sample collection port 9, a user can conveniently collect samples, the sample collection port 9 is horn-shaped, the collection area of the samples can be effectively increased, the rapid collection of the samples is facilitated, the side, the two ends of the rubber tube 8 are respectively provided with a threaded connector 11, the external thread of the threaded connector 11 is matched with the internal thread 10 to be connected with the sample collection port 9, the rubber tube 8 and the air inlet 75, so that the sample collection port 9 and the rubber tube 8 can be detached and separated, and are convenient to take, use and store, and the threaded structure can be replaced by other structures, such as a quick connector and a connecting flange which are butted with each other, the threaded structure can be replaced by a part which realizes tight connection, the inner cavity of the collection cylinder 1 is connected with an air outlet pipe 12 at one side close to the one-way structure 7, the air outlet pipe 12 is provided with a connecting port 13 for connecting a balloon, the air outlet pipe 12 is provided with a manual air valve 14, the manual air valve 14 adopts a Bailinging pneumatic valve with the type of entering and exiting of BUC-6, one end of the side surface of the collection cylinder 1 far away from the air inlet, the push-pull rod 5 is provided with a scale 17 for measuring the volume of the gas in the collection cylinder 1.
When the collecting device is used, the manual air valve 14 is firstly opened, the push-pull rod 5 is pushed by the annular handle 16 until the bottom surface of the piston 2 is contacted with the bottom surface of the inner cavity of the collecting cylinder 1, the air in the inner cavity is exhausted, the manual air valve 14 is closed, then the piston 2 is pulled by the push-pull rod 5 to move in the collecting cylinder 1, so that negative pressure is generated in the collecting cylinder 1, namely the internal pressure of the collecting cylinder 1 is smaller than the external air pressure, the external air generates acting force on the steel balls 74, and further the return spring 72 is compressed, namely the steel balls 74 generate a gap with the inner wall of the lower end of the cavity 73, so that the cavity 73 is communicated with the external air, so that gas collection is realized, when the push-pull rod 5 is not pulled, the return spring 72 can elastically return to the original position, namely the steel balls 74 are tightly pressed against the inner wall, will produce the effort to steel ball 74, make it firmly laminate cavity 73 lower extreme inner wall, realize sealing, open manual pneumatic valve 14, push-and-pull rod 5 continues to promote piston 2 and move in collection section of thick bamboo 1, the gaseous connector 13 of passing through on the outlet duct 12 of collection section of thick bamboo 1 is impressed the gas collection ball, the gas collection ball can adopt the balloon or have the telescopic container, realize gaseous sampling and save, can avoid exhaust gas to get into collection section of thick bamboo 1 once more, shorten gaseous collection time greatly, improve gaseous collection efficiency, moreover, the operation is simple, and convenient to carry, safety and reliability, and wide applicability.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a gaseous sampling collection device, is including gathering section of thick bamboo (1), push-and-pull rod (5) and piston (2), push-and-pull rod (5) drive piston (2) reciprocating motion in gathering section of thick bamboo (1) is used for realizing gaseous business turn over, its characterized in that: an air inlet pipe (6) communicated with the inner cavity of the collection cylinder (1) is arranged on one side of the collection cylinder (1) far away from the push-pull rod (5), the air inlet pipe (6) is provided with a one-way structure (7), the one-way structure (7) comprises a valve body (71), a steel ball (74) arranged in the valve body (71) and a return spring (72) positioned at the upper end of the steel ball (74), the valve body (71) is provided with a cavity (73) with a conical lower end and an air inlet (75) for communicating the cavity (73), the steel ball (74) and the return spring (72) are arranged in the cavity (73), the steel balls (74) are matched with the inner wall of the lower end of the cavity (73) to realize sealing, one side of the inner cavity of the collecting cylinder (1) close to the one-way structure (7) is connected with an air outlet pipe (12), the air outlet pipe (12) is provided with a connecting port (13), and the air outlet pipe (12) is provided with a manual air valve (14).
2. A gas sampling collection device according to claim 1, wherein: the side face of the piston (2) is bonded with a rubber sealing sleeve (3), three rings of rubber sealing rings (4) protruding outwards are arranged on the outer side of the circumference of the rubber sealing sleeve (3), and the outer diameter of each rubber sealing ring (4) is larger than or equal to the inner diameter of the collection cylinder (1).
3. A gas sampling collection device according to claim 1, wherein: air inlet (75) are connected with rubber tube (8), rubber tube (8) are connected with sample collection mouth (9), sample collection mouth (9) are tubaeform.
4. A gas sampling collection device according to claim 3, wherein: the lateral wall of air inlet (75) and the one end of sample collection mouth (9) all are equipped with internal thread (10), the both ends of rubber tube (8) all are equipped with hickey (11), the external screw thread and the internal thread (10) of hickey (11) cooperate and are used for connecting sample collection mouth (9), rubber tube (8) and air inlet (75).
5. A gas sampling collection device according to claim 1, wherein: one end of the push-pull rod (5) far away from the air inlet (75) is fixedly connected with an annular handle (16), and one end of the side surface of the collecting cylinder (1) far away from the air inlet (75) is provided with a stress block (15).
6. A gas sampling collection device according to claim 1, wherein: the push-pull rod (5) is provided with scales (17) for measuring the volume of gas in the collection cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266039.2U CN210513837U (en) | 2019-08-06 | 2019-08-06 | Gas sampling and collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266039.2U CN210513837U (en) | 2019-08-06 | 2019-08-06 | Gas sampling and collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210513837U true CN210513837U (en) | 2020-05-12 |
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ID=70587947
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921266039.2U Expired - Fee Related CN210513837U (en) | 2019-08-06 | 2019-08-06 | Gas sampling and collecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN210513837U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678747A (en) * | 2020-07-09 | 2020-09-18 | 芜湖中燃城市燃气发展有限公司 | Liquefied natural gas sampling device and method |
| CN112557120A (en) * | 2020-11-27 | 2021-03-26 | 安徽信息工程学院 | Air collector for environment detection and use method thereof |
| CN112816617A (en) * | 2020-12-18 | 2021-05-18 | 安徽工程大学 | Underground surveying robot |
| CN113093512A (en) * | 2021-04-03 | 2021-07-09 | 李铭辉 | Multifunctional smart watch based on cloud service |
| CN113447324A (en) * | 2021-06-08 | 2021-09-28 | 吉林工程技术师范学院 | A four rotor unmanned aerial vehicle for environment measuring |
| CN113607503A (en) * | 2021-07-27 | 2021-11-05 | 大唐珲春发电厂 | Gas sampler |
| CN114486405A (en) * | 2022-02-21 | 2022-05-13 | 河南省农业科学院烟草研究所 | Static case is used in soil gas collection |
| CN114837733A (en) * | 2022-06-02 | 2022-08-02 | 贵州大学 | A kind of extraction equipment for gas detection |
| CN115646349A (en) * | 2022-09-21 | 2023-01-31 | 河南本港氮化物科技有限公司 | Batch forming equipment and preparation method of ceramic microsphere blank |
| CN116067715A (en) * | 2023-02-27 | 2023-05-05 | 中国地质大学（北京） | Gas-liquid collecting device for field hot spring |
| CN116559248A (en) * | 2023-05-08 | 2023-08-08 | 张发 | Industrial waste gas detection process |
| CN116735289A (en) * | 2022-03-04 | 2023-09-12 | 贵州中烟工业有限责任公司 | A dust sampling device and method |
| CN119178096A (en) * | 2023-06-21 | 2024-12-24 | 中国石油天然气股份有限公司 | Device and method for collecting and storing shale gas in well site |
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2019
- 2019-08-06 CN CN201921266039.2U patent/CN210513837U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678747A (en) * | 2020-07-09 | 2020-09-18 | 芜湖中燃城市燃气发展有限公司 | Liquefied natural gas sampling device and method |
| CN112557120A (en) * | 2020-11-27 | 2021-03-26 | 安徽信息工程学院 | Air collector for environment detection and use method thereof |
| CN112816617A (en) * | 2020-12-18 | 2021-05-18 | 安徽工程大学 | Underground surveying robot |
| CN113093512A (en) * | 2021-04-03 | 2021-07-09 | 李铭辉 | Multifunctional smart watch based on cloud service |
| CN113093512B (en) * | 2021-04-03 | 2022-05-13 | 深圳腾信百纳科技有限公司 | A multifunctional smart watch based on cloud service |
| CN113447324A (en) * | 2021-06-08 | 2021-09-28 | 吉林工程技术师范学院 | A four rotor unmanned aerial vehicle for environment measuring |
| CN113607503A (en) * | 2021-07-27 | 2021-11-05 | 大唐珲春发电厂 | Gas sampler |
| CN114486405A (en) * | 2022-02-21 | 2022-05-13 | 河南省农业科学院烟草研究所 | Static case is used in soil gas collection |
| CN116735289A (en) * | 2022-03-04 | 2023-09-12 | 贵州中烟工业有限责任公司 | A dust sampling device and method |
| CN114837733A (en) * | 2022-06-02 | 2022-08-02 | 贵州大学 | A kind of extraction equipment for gas detection |
| CN114837733B (en) * | 2022-06-02 | 2022-12-06 | 贵州大学 | Gas detection is with adopting equipment |
| CN115646349A (en) * | 2022-09-21 | 2023-01-31 | 河南本港氮化物科技有限公司 | Batch forming equipment and preparation method of ceramic microsphere blank |
| CN116067715A (en) * | 2023-02-27 | 2023-05-05 | 中国地质大学（北京） | Gas-liquid collecting device for field hot spring |
| CN116067715B (en) * | 2023-02-27 | 2024-01-26 | 中国地质大学（北京） | Gas-liquid collecting device for field hot spring |
| CN116559248A (en) * | 2023-05-08 | 2023-08-08 | 张发 | Industrial waste gas detection process |
| CN116559248B (en) * | 2023-05-08 | 2024-07-05 | 中科南京未来能源系统研究院 | Industrial waste gas detection process |
| CN119178096A (en) * | 2023-06-21 | 2024-12-24 | 中国石油天然气股份有限公司 | Device and method for collecting and storing shale gas in well site |
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