CN218885501U - Closed circulating sampling device - Google Patents
Closed circulating sampling device Download PDFInfo
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- CN218885501U CN218885501U CN202222421370.5U CN202222421370U CN218885501U CN 218885501 U CN218885501 U CN 218885501U CN 202222421370 U CN202222421370 U CN 202222421370U CN 218885501 U CN218885501 U CN 218885501U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses an airtight circulation sampling device, including the first pipeline of carrying the material, carry safety gas's second pipeline, the sample storage tank, the liquid inlet pipe way, go out liquid pipeline and circulation pipeline, be provided with first branch road and second branch road on the liquid inlet pipe way, be provided with the sampling valve on the first branch road and connect to first pipeline, be provided with the purge valve on the second branch road and connect to the second pipeline, be provided with back appearance valve on the drain pipe way, circulation pipeline intercommunication liquid inlet pipe way and drain pipe, and be provided with the circulating valve on the circulation pipeline, be provided with the interface that is used for with sample storage tank both ends butt joint on liquid inlet pipe way and the drain pipe way respectively. Above-mentioned airtight circulation sampling device has realized the airtight sample to harmful substance, and through the mode of blowing safe gas, has clear away remaining in the pipeline, has reduced and has revealed the risk, has improved the sample security, convenience simple to use.
Description
Technical Field
The utility model relates to a petrochemical equipment technical field especially relates to an airtight circulation sampling device.
Background
In petrochemical industry, dangerous chemicals with high toxicity and high toxicity are often put into use, and in order to ensure the safety of field processes, harmful substances such as extremely or highly harmful media, combustible gas of the class A, liquefied hydrocarbon and the like are required to be sampled in a closed manner, so that leakage is avoided as much as possible. However, the discharge port, the sampling port, the pipeline junction of equipment and pipeline etc. are easy leakage points, and during the harmful substance sample, the residual liquid is left in the pipeline, container kneck inevitable, still has the risk of revealing, needs timely cleaning process, takes trouble at every turn, and the material loss is big, needs further optimization.
SUMMERY OF THE UTILITY MODEL
Based on the problem, an object of the utility model is to provide an airtight circulation sampling device reduces the sample degree of difficulty, avoids revealing, improves and takes security, convenience and feature of environmental protection.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a closed circulation sampling device, it is including the first pipeline of carrying the material, carry the second pipeline of safe gas, the sample storage tank, the inlet line, outlet line and circulation pipeline, be provided with first branch road and second branch road on the inlet line, be provided with the admission valve on the first branch road and connect to first pipeline, be provided with the purge valve on the second branch road and connect to the second pipeline, be provided with back appearance valve on the outlet line, circulation pipeline intercommunication inlet line and outlet line, and be provided with the circulating valve on the circulation pipeline, be provided with the interface that is used for with sample storage tank both ends butt joint on inlet line and the outlet line respectively.
Particularly, when the sampling valve is opened and the purging valve is closed, the device is in a sampling state, and the liquid outlet pipeline is communicated to the first pipeline and is used for recovering substances overflowing from the sampling storage tank; when the sampling valve is closed and the purging valve is opened, the device is in a clean state, and the liquid outlet pipeline is externally connected with a vent hole for flushing out residual substances in the pipeline.
Particularly, the interface end of the liquid inlet pipeline and/or the liquid outlet pipeline is provided with a flexible hose which is used for directly communicating the interfaces of the liquid inlet pipeline and the liquid outlet pipeline when the sampling storage tank is not loaded.
In particular, a pressure gauge is arranged on the liquid inlet pipeline.
In particular, the safety gas is nitrogen.
In particular, both ends of the sampling storage tank are respectively provided with a switch valve.
In particular, a liquid level meter is arranged on the sampling storage tank.
To summer up, the beneficial effects of the utility model are that, airtight circulation sampling device has realized the airtight sample to harmful substance, and through the mode of blowing safe gas, has clear away remaining in the pipeline, has reduced and has revealed the risk, has improved the sample security, convenience simple to use.
Drawings
Fig. 1 is a schematic structural diagram of a closed cycle sampling device according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1, the preferred embodiment provides a closed circulation sampling device, which includes a first pipeline 1 for transporting material, a second pipeline 2 for transporting safety gas, a sampling storage tank 3, a liquid inlet pipeline 4, a liquid outlet pipeline 5 and a circulation pipeline 6. Here, the harmful substance is styrene, and the safety gas is preferably nitrogen.
The liquid inlet pipeline 4 is provided with a first branch and a second branch, the first branch is provided with a sample injection valve 7 and is connected to the first pipeline 1, and the second branch is provided with a purge valve 8 and is connected to the second pipeline 2.
The circulating pipeline 6 is communicated with the liquid inlet pipeline 4 and the liquid outlet pipeline 5, a circulating valve 9 is arranged on the circulating pipeline 6, and the circulating pipeline 6 is used for circulating overflow substances and purging the liquid outlet pipeline 5.
The liquid inlet pipeline 4 and the liquid outlet pipeline 5 are respectively provided with an interface 10 which is used for being in butt joint with two ends of the sampling storage tank 3, so that the sampling storage tank 3 can be taken or loaded conveniently.
The liquid outlet pipeline 5 is provided with a sample return valve 11, when the sampling valve 7 is opened and the purging valve 8 is closed, the device is in a sampling state, and the liquid outlet pipeline 5 can be communicated to the first pipeline 1 and is used for recovering substances overflowing from the sampling storage tank 3; when the sampling valve 7 is closed and the purging valve 8 is opened, the device is in a clean state, and the liquid outlet pipeline 5 is externally connected with a drain port 12 for flushing out substances remained in the pipeline.
In particular, the end of the interface 10 of the liquid inlet pipe 4 and/or the end of the interface 10 of the liquid outlet pipe 5 are/is provided with a flexible hose 13 for directly communicating the interfaces 10 of the liquid inlet pipe 4 and the liquid outlet pipe 5 when the sampling storage tank 3 is not loaded, in this embodiment, the end of the interface 10 of the liquid inlet pipe 4 is provided with a flexible hose 13.
In addition, a pressure gauge 14 is arranged on the liquid inlet pipeline 4 to reflect the pressure value in the pipeline.
The two ends of the sampling storage tank 3 are respectively provided with a switch valve 15 so as to control a certain amount of the liquid to be filled into the sampling storage tank 3, and the liquid level meter 16 is arranged on the sampling storage tank 3, so that the quality in the tank can be visually reflected.
The use process comprises the following steps:
in a sampling state, the sampling storage tank 3 is loaded on a connector 10 of the liquid inlet pipeline 4 and the liquid outlet pipeline 5, the sampling valve 7 is opened, the purging valve 8 is closed, the switch valves 15 at two ends of the sampling storage tank 3 are opened, the circulating valve 9 is opened, and the sample return valve 11 is opened, so that substances in the first pipeline 1 enter the liquid inlet pipeline 4, one part of the substances is filled into the sampling storage tank 3, and the other part of the substances is refluxed by the circulating pipeline 6 and the liquid outlet pipeline 5.
When the sample tank is in a clean state, the switch valves 15 at the two ends of the sampling storage tank 3 are closed, the sample injection valve 7 is closed, the purging valve 8 is opened, the safety gas in the second pipeline 2 is blown into the liquid inlet pipeline 4, and then the residual substances in the pipelines are flushed to the emptying port 12 through the circulating pipeline 6 and the liquid outlet pipeline 5.
Further, after the sampling storage tank 3 is taken down, the flexible hose 13 of the liquid inlet pipeline 4 is connected to the interface 10 of the liquid outlet pipeline 5, the circulating valve 9 is closed, and the safe gas sweeps the connection part of the pipeline and the sampling storage tank 3 completely, so that the interior of the sampling device is completely cleaned.
Above-mentioned airtight circulation sampling device has realized the airtight sample to harmful substance, and through the mode of blowing safe gas, has clear away remaining in the pipeline, has reduced and has revealed the risk, has improved the sample security, convenience simple to use.
The above embodiments have only been illustrated the basic principle and characteristics of the present invention, the present invention is not limited by the above embodiments, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and modifications all fall into the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an airtight circulation sampling device, its characterized in that, is including the first pipeline of carrying the material, carry safe gaseous second pipeline, sample storage tank, feed liquor pipeline, play liquid pipeline and circulation line, be provided with first branch road and second branch road on the feed liquor pipeline, be provided with the admission valve on the first branch road and connect to first pipeline, be provided with the purge valve on the second branch road and connect to the second pipeline, be provided with back appearance valve on the drain pipe, circulation line intercommunication admission pipeline and drain pipe, and be provided with the circulating valve on the circulation pipeline, the admission pipeline with be provided with the interface that is used for with sample storage tank both ends butt joint on the drain pipe respectively.
2. The closed loop sampling device of claim 1, wherein: when the sampling valve is opened and the purging valve is closed, the device is in a sampling state, and the liquid outlet pipeline is communicated to the first pipeline and is used for recovering substances overflowing from the sampling storage tank; when the sampling valve is closed and the purging valve is opened, the device is in a clean state, and the liquid outlet pipeline is externally connected with a vent hole for flushing out substances remained in the pipeline.
3. The closed loop sampling device of claim 1, wherein: and the interface end of the liquid inlet pipeline and/or the liquid outlet pipeline is provided with a flexible hose which is used for directly communicating the interfaces of the liquid inlet pipeline and the liquid outlet pipeline when the sampling storage tank is not loaded.
4. The closed loop sampling device of claim 1, wherein: and a pressure gauge is arranged on the liquid inlet pipeline.
5. The closed loop sampling device of claim 1, wherein: the safety gas is nitrogen.
6. The closed loop sampling device of claim 1, wherein: and switch valves are respectively arranged at two ends of the sampling storage tank.
7. The closed loop sampling device of claim 1, wherein: and a liquid level meter is arranged on the sampling storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222421370.5U CN218885501U (en) | 2022-09-13 | 2022-09-13 | Closed circulating sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222421370.5U CN218885501U (en) | 2022-09-13 | 2022-09-13 | Closed circulating sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218885501U true CN218885501U (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222421370.5U Active CN218885501U (en) | 2022-09-13 | 2022-09-13 | Closed circulating sampling device |
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| Country | Link |
|---|---|
| CN (1) | CN218885501U (en) |
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2022
- 2022-09-13 CN CN202222421370.5U patent/CN218885501U/en active Active
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