CN210571531U - Pipeline gas-liquid sampling device - Google Patents
Pipeline gas-liquid sampling device Download PDFInfo
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- CN210571531U CN210571531U CN201920776055.XU CN201920776055U CN210571531U CN 210571531 U CN210571531 U CN 210571531U CN 201920776055 U CN201920776055 U CN 201920776055U CN 210571531 U CN210571531 U CN 210571531U
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Abstract
The utility model discloses a pipeline gas-liquid sampling device. The pipeline gas-liquid sampling device comprises: the sample sucking device is provided with a sample channel in the middle, a sample port communicated with the sample channel extends upwards from the top of the sample sucking device, a first flow port and a second flow port communicated with the sample channel extend outwards from the outer wall of the sample sucking device, and the first flow port is closer to the sample port relative to the second flow port; the needle tubing sampler, the sample connection has been seted up to the needle tubing sampler, the sample connection includes spacing mouthful and intercommunication the needle tubing mouth of spacing mouthful, the needle tubing sampler connect in the sample connection, the needle tubing mouth intercommunication the sample connection. Pipeline gas-liquid sampling device, easy sample, equipment are simple, with low costs.
Description
Technical Field
The utility model relates to a gas-liquid sampling technical field, concretely relates to pipeline gas-liquid sampling device.
Background
In industrial production, it is often the case that a sample is taken from the system and analyzed. Generally, a pipeline is connected to a sample container, a valve is usually needed to lead out a gas or liquid sample, if the sample pressure is high, the sampling difficulty is high, and special sampling equipment such as a head space machine and a plunger pump is usually needed to be connected, so that the sampling equipment is complex and high in cost.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model discloses it is necessary to provide a pipeline gas-liquid sampling device of easy sample, equipment is simple, with low costs.
In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:
a pipeline gas-liquid sampling device, comprising:
the sample sucking device is provided with a sample channel in the middle along the axis direction, a sample port communicated with the sample channel extends upwards from the top of the sample sucking device, a first circulating port and a second circulating port communicated with the sample channel extend outwards from the outer wall of the sample sucking device, and the first circulating port is closer to the sample port relative to the second circulating port;
the needle tubing sampler, the sample connection has been seted up to the needle tubing sampler, the sample connection includes spacing mouthful and intercommunication the needle tubing mouth of spacing mouthful, the needle tubing sampler connect in the sample connection, the needle tubing mouth intercommunication the sample connection.
The pipeline gas-liquid sampling device adopts the combination of the sample absorber and the needle tube sampler, one or more liquid flows into the sample absorber, so that the gas or the liquid flows between the sample absorber and the sample container, and the needle tube sampler is adopted to take out the sample from the sample absorber, so that the sample can be ensured to be easily absorbed under the flowing condition even if the pressure of the sample is higher; the device does not need special sampling equipment, has simple structure and low cost, and is suitable for sampling various liquids and gases.
In some embodiments, the pipeline gas-liquid sampling device further comprises a circulating pump, the circulating pump is respectively communicated with the first circulation port and the sample container through pipelines, and the second circulation port is communicated with the sample container through a pipeline.
In some embodiments, the limiting opening is conical, and the end with the smaller diameter of the limiting opening is connected with the needle tube opening.
In some embodiments, a silica gel sealing ring is arranged between the needle sampler and the sample port.
In some embodiments, the needle tube sampler is further provided with a connection port for communicating the sampling port with the needle tube opening, and the inner wall of the connection port and the outer wall of the sample opening are both provided with threads, so that the needle tube sampler is in threaded connection with the sample opening.
In some embodiments, a silica gel block is arranged between the needle tube opening and the sample opening, and a silica gel channel communicated with the sample opening and the needle tube opening is formed in the middle of the silica gel block.
In some embodiments, the outer wall of the first flow port is threadably connected to a first threaded sleeve, and the outer wall of the second flow port is threadably connected to a second threaded sleeve.
In some embodiments, a corrosion protection layer is mounted in the sample extractor proximate to the sample channel.
In some embodiments, the inner wall of the needle tube opening is provided with a silica gel sealing layer.
In some embodiments, the pipeline gas-liquid sampling device further comprises a sampling needle tube, wherein the sampling needle tube is provided with a sampling tube, and the diameter of the sampling tube is matched with that of the needle tube opening so that the sampling tube can be inserted into the needle tube opening.
Drawings
Fig. 1 is a schematic structural diagram of a pipeline gas-liquid sampling device according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the pipeline gas-liquid sampling device shown in FIG. 1;
FIG. 3 is a schematic diagram of the internal structure of the sample extractor of the pipeline gas-liquid sampling device shown in FIG. 1;
FIG. 4 is a schematic view of the internal structure of a needle sampler of the pipeline gas-liquid sampling device shown in FIG. 1;
FIG. 5 is a schematic structural view of a sampling needle of the pipeline gas-liquid sampling device shown in FIG. 1;
fig. 6 is a schematic structural diagram of a pipeline gas-liquid sampling device according to the second embodiment of the present invention;
fig. 7 is a schematic structural diagram of a pipeline gas-liquid sampling device according to a third embodiment of the present invention;
fig. 8 is a schematic structural diagram of a pipeline gas-liquid sampling device according to the fourth embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example one
Referring to fig. 1 and 2, the present invention provides a pipeline gas-liquid sampling device 100 for sucking gas or liquid in a sample container 200. The pipeline gas-liquid sampling device 100 comprises a sample absorber 10, a needle tube sampler 20 and a sampling needle tube 60, wherein the sample absorber 10 is used for sample flowing, the needle tube sampler 20 is used for absorbing and leading out a sample in the sample absorber 10, and the sampling needle tube 60 is used for absorbing the sample.
Referring to fig. 2 and 3, a sample channel 11 is disposed in the middle of the sample sucker 10 along the axial direction, and the sample channel 11 is used for sample circulation. The top of the sample sucker 10 extends upwards to form a sample port 12 communicated with the sample channel 11, and the sample port 12 is used for connecting a needle sampler 20, so that the sample inside the sample sucker 10 is sucked by the sample port 12. The sample sucker 10 has a first communication port 13 and a second communication port 14 extending outward from the outer wall and communicating with the sample channel 11, and the first communication port 13 is located closer to the sample port 12 than the second communication port 14, so that when the pipeline gas-liquid sampling device 100 is in use, the first communication port 13 is located higher than the second communication port 14. The first circulation port 13 and the second circulation port 14 are both communicated with the sample container 200 through pipelines, a sample in the sample container 200 flows into the sample channel 11 of the sample suction device 10 through the first circulation port 13 and the second circulation port 14, and then is sucked by the needle tube sampler 20, so that the sampling of the sample can be realized. Compared with the traditional equipment, the structure is simpler, the sample is in a flowing state, and the sample can be easily sucked even if the pressure of the sample is higher.
The sample sucker 10 is made of a metal material, and the sample channel 11, the first through-hole 13, and the second through-hole 14 are molded in a mold. Of course, the sample holder 10 may also be made of a non-metallic material, such as a plastic material.
In one embodiment, the first through hole 13 is disposed on the sample holder 10 opposite to the second through hole 14. Of course, the first through-hole 13 and the second through-hole 14 may be disposed close to each other, that is, not opposite to each other, and the purpose of sample circulation may be achieved.
In one embodiment, a first threaded sleeve 30 is threadedly attached to the outer wall of the first flow opening 12. The first screw sleeve 30 may be connected to a pipe fixed at the first circulation port 12 to communicate the sample sucker 10 with the sample container 200.
Similarly, the outer wall of the second flow port 13 is screwed with a second screw sleeve 40. The second screw sleeve 40 may be connected to a pipe fixed at the second flow port 13 to communicate the sample sucker 10 with the sample container 200.
Referring to fig. 2 and 4, the needle sampler 20 is provided with a sampling port 21, the sampling port 21 includes a limiting port 22 and a needle port 23 communicating with the limiting port 22, the needle sampler 20 is connected to the sample port 12, and the needle port 23 communicates with the sample port 12. The sampling needle tube is arranged at the needle tube opening 23, the sampling needle tube 60 is used for sucking, and the sample in the sample channel 11 of the sample sucking device 10 can flow into the sampling needle tube under pressure, so that the purpose of sampling is realized.
The limiting opening 22 is in a conical shape, and one end of the limiting opening 22 with a smaller diameter is connected with the needle pipe opening 23. The larger diameter sampling needle may be positioned at the stop 22 so that the sampling needle 60 may be positioned on the needle sampler 20 for stable sampling. The shape of the sampling needle tube 60 may match the shape of the sampling port 21.
In one embodiment, the needle sampler 20 further defines a connection port 24 for connecting the sampling port 12 and the needle port 23, and the inner wall of the connection port 24 and the outer wall of the sampling port 12 are both threaded, so that the needle sampler 20 is threaded to the sampling port 12. After connection, the sample in the sample port 12 can enter the needle nozzle 23.
In one embodiment, the inner wall of the needle port 23 is provided with a silicone sealing layer. This ensures that the seal between the sampling tube 60 and the tube port 23 is maintained, thereby ensuring that the sample can be rapidly introduced into the sampling tube.
In one embodiment, a silicone sealing ring is disposed between the needle sampler 20 and the sample port 12, so that the needle sampler 20 can be connected to the sample port 12 in a sealing manner, thereby preventing air leakage and ensuring that the sample can smoothly enter the sampling needle 60 under pressure difference.
Referring to fig. 2 and 5, in an embodiment, the pipeline gas-liquid sampling device further includes a sampling needle tube 60, and the sampling needle tube 60 is installed at the sampling port 21 to suck the sample in the sample sucker 10.
Referring to fig. 5, in an embodiment, the sampling needle tube 60 includes a sampling needle 61 and a sampling tube 62 connected to the sampling needle 61, the sampling needle 61 is inserted into the needle tube opening 23, and the sample enters the sampling tube 62 after being sucked.
Further, the sampling needle tube 60 further comprises a plunger 63, the plunger 63 is hermetically mounted in the sampling tube 62, and the sample can be sucked by pulling the plunger 63 along the sampling tube 62.
Example two
Referring to fig. 6, the pipeline gas-liquid sampling device of the present embodiment, similar to the pipeline gas-liquid sampling device of the first embodiment, includes a sample suction device 10 and a needle sampler 20, and different from the first embodiment, the pipeline gas-liquid sampling device further includes a circulating pump 50, and the circulating pump 50 is respectively communicated with the first circulation port 12 and the sample container 200 through a pipeline. Therefore, the sample is continuously circulated by the circulating pump 50, so that the sample in the sample suction device 10 is updated in real time, and the sampled sample is more time-efficient.
The pipeline gas-liquid sampling device adopts the combination of the sample absorber and the needle tube sampler, one or more liquid flows into the sample absorber, so that the gas or the liquid flows between the sample absorber and the sample container, and the needle tube sampler is adopted to take out the sample from the sample absorber, so that the sample can be ensured to be easily absorbed under the flowing condition even if the pressure of the sample is higher; the device does not need special sampling equipment, has simple structure and low cost, and is suitable for sampling various liquids and gases.
EXAMPLE III
Referring to fig. 7, the pipeline gas-liquid sampling device of the present embodiment, similar to the pipeline gas-liquid sampling device of the first embodiment, includes a sample extractor 10a and a needle sampler 20, and is different from the first embodiment in that an anti-corrosion layer 15 is installed in the sample extractor 10a and clings to a sample channel 11. When the sample to be sucked has corrosion action, the sample sucking device 10a can be protected by the anti-corrosion layer 15, the sample is prevented from corroding the sample sucking device 10a, and the service life of the sample sucking device 10a is ensured; and the sample does not contain the material of the sample suction device 10a when passing through the sample channel 11, thereby ensuring the purity of the sample. In one embodiment, the corrosion protection layer 15 is formed by a film of corrosion protection paint, such as, for example, a polyethylene trimer corrosion protection paint. In other embodiments, the corrosion protection layer 15 may be made of other materials, and the material is not limited herein.
Example four
Referring to fig. 8, the gas-liquid sampling device for pipeline according to the present embodiment is similar to the gas-liquid sampling device for pipeline according to the first embodiment, and includes a sample sucking device 10 and a needle sampler 20a, different from the first embodiment, a silica gel block 25 is disposed between a needle pipe opening 23 and a sample opening 12, and a silica gel passage 26 for communicating the sample opening 12 and the needle pipe opening 23 is disposed in a middle portion of the silica gel block 25. This ensures a better seal between the needle port 23 and the sample port 12, preventing air leakage. In this embodiment, the silicone rubber block 25 is accommodated in the connection port 24. Specifically, a part of the connection port 24 close to the needle tube opening 23 is not provided with a screw thread to form a silica gel accommodating cavity, the silica gel block 25 is accommodated in the silica gel accommodating cavity, and after the needle sampler 20a is connected with the sample opening 12, the silica gel channel 26 communicates the sample opening 12 and the needle tube opening 23.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A pipeline gas-liquid sampling device, comprising:
the sample sucking device is provided with a sample channel in the middle along the axis direction, a sample port communicated with the sample channel extends upwards from the top of the sample sucking device, a first circulating port and a second circulating port communicated with the sample channel extend outwards from the outer wall of the sample sucking device, and the first circulating port is closer to the sample port relative to the second circulating port;
the needle tubing sampler, the sample connection has been seted up to the needle tubing sampler, the sample connection includes spacing mouthful and intercommunication the needle tubing mouth of spacing mouthful, the needle tubing sampler connect in the sample connection, the needle tubing mouth intercommunication the sample connection.
2. The pipeline gas-liquid sampling device of claim 1, further comprising a circulation pump, wherein the circulation pump is respectively in communication with the first flow port and the sample container through a pipeline, and the second flow port is in communication with the sample container through a pipeline.
3. The pipeline gas-liquid sampling device of claim 1 or 2, wherein the limiting port is in a conical shape, and one end of the limiting port with a smaller diameter is connected with the needle pipe port.
4. The pipeline gas-liquid sampling device of claim 1 or 2, wherein a silica gel sealing ring is arranged between the needle tube sampler and the sample port.
5. The pipeline gas-liquid sampling device of claim 1 or 2, wherein the needle tube sampler is further provided with a connection port for communicating the sampling port with the needle tube opening, and the inner wall of the connection port and the outer wall of the sample opening are both provided with threads, so that the needle tube sampler is in threaded connection with the sample opening.
6. The pipeline gas-liquid sampling device of claim 1 or 2, wherein a silica gel block is arranged between the needle pipe opening and the sample opening, and a silica gel passage communicating the sample opening and the needle pipe opening is formed in the middle of the silica gel block.
7. The pipeline gas-liquid sampling device of claim 1 or 2, wherein the outer wall of the first flow port is threadedly connected with a first threaded sleeve, and the outer wall of the second flow port is threadedly connected with a second threaded sleeve.
8. The pipeline gas-liquid sampling device of claim 1 or 2, wherein an anti-corrosion layer is mounted in the sample extractor proximate to the sample channel.
9. The pipeline gas-liquid sampling device of claim 1 or 2, wherein the inner wall of the needle pipe orifice is provided with a silica gel sealing layer.
10. The pipeline gas-liquid sampling device according to claim 1 or 2, further comprising a sampling needle tube having a sampling tube with a diameter matching that of the needle nozzle so that the sampling tube can be inserted into the needle nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776055.XU CN210571531U (en) | 2019-05-27 | 2019-05-27 | Pipeline gas-liquid sampling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920776055.XU CN210571531U (en) | 2019-05-27 | 2019-05-27 | Pipeline gas-liquid sampling device |
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| CN210571531U true CN210571531U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243636A (en) * | 2019-05-27 | 2019-09-17 | 广州供电局有限公司 | Pipeline gas/liquid sampler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243636A (en) * | 2019-05-27 | 2019-09-17 | 广州供电局有限公司 | Pipeline gas/liquid sampler |
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Effective date of registration: 20210208 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |