CN219328640U - Gravity wedging type gas closed sampling device - Google Patents
Gravity wedging type gas closed sampling device Download PDFInfo
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- CN219328640U CN219328640U CN202222570277.0U CN202222570277U CN219328640U CN 219328640 U CN219328640 U CN 219328640U CN 202222570277 U CN202222570277 U CN 202222570277U CN 219328640 U CN219328640 U CN 219328640U
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- bin
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- sampling bottle
- sampler
- sample
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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 a gravity wedging type gas airtight sampling device, and mainly relates to the airtight sampling field. The device comprises a sampler and a sampling bottle, wherein a contact bin and a replacement bin are arranged in the sampler, the sampling bottle can automatically slide between the contact bin and the replacement bin under the action of gravity, the contact bin and the replacement bin are in sealing connection through a bin separating valve, sample inlet and outlet interfaces are arranged on the contact bin and the sampling bottle, and a thimble for controlling the sample inlet and outlet interfaces of the sampling bottle to be opened and closed is arranged in the contact bin; the quick connector is characterized in that the top of the replacement bin is provided with a quick connector which is detachably connected, a bin opening valve is arranged between the quick connector and the quick connector, the quick connector is provided with a nitrogen interface, and the contact bin is provided with a low tile interface. The utility model has the beneficial effects that: the whole-process airtight sub-bin is used for autonomous sampling, the external influence is avoided, the residual sample is replaced by the exhaust manufacturing low-watt state and the nitrogen dead-angle-free sweeping, the atmospheric environment is guaranteed to be influenced by the sample residue, and the detection result is more accurate.
Description
Technical Field
The utility model relates to the field of sealed sampling, in particular to a gravity wedging type gas airtight sampling device.
Background
In the petrochemical industry, sampling analysis is a main reference basis for process control and product control, and the rationality of the sampler structure not only determines the accuracy of a sample, but also determines the safety and environmental protection of an operation process. In recent years, with the progress of technology, a common airtight sampler has been becoming popular in petrochemical enterprises, but there is still a problem in the actual operation process. The common airtight sampler consists of a sampling bottle and a process pipeline, wherein a sample inlet and outlet interface is arranged on the sampling bottle, the sample inlet and outlet interface is directly connected with the process pipeline, the process pipeline adopts a metal hose as a connecting component, a valve with a control switch is arranged, after the sampling work of the sample is completed through the inlet and outlet interface on the sampling bottle, a nitrogen inlet interface and an exhaust interface are opened, and the sample in the residual sampler is purged and replaced, but the common airtight sampler does not really realize the sampling in a completely airtight environment, the purging and the replacement of the nitrogen are incomplete, the sample still remains in dead angles, and particularly the risk that the sample is easy to remain in the metal hose, the valve body and the interface, the atmospheric environment is released by the organic gas contained in the sample, and the ambient environment and personnel health are greatly hidden hazards, and meanwhile, the accuracy of the detection result is affected.
Disclosure of Invention
The utility model aims to provide a gravity wedging type gas airtight sampling device, which realizes independent bin separation airtight sampling, ensures the accuracy of a detection structure, simultaneously realizes dead-angle-free sweeping and replacement of a residual sample in a sampler, and avoids overflow of the sample into an atmospheric environment, thereby greatly influencing the surrounding environment and personnel health.
The utility model aims to achieve the aim, and the utility model is realized by the following technical scheme:
the gravity wedging type gas airtight sampling device comprises a sampler and a sampling bottle, wherein a contact bin and a replacement bin are arranged in the sampler, the sampling bottle can automatically slide between the contact bin and the replacement bin under the action of gravity, the contact bin and the replacement bin are in sealing connection through a bin partition valve, a sample inlet port and a sample outlet port are formed in the contact bin and the sampling bottle, and a thimble for controlling the sample inlet port and the sample outlet port of the sampling bottle to be opened and closed is arranged in the contact bin; the top of replacement storehouse is provided with the quick-operation joint of detachable connection, is equipped with the valve of opening the storehouse between the two, be provided with the nitrogen gas interface on the quick-operation joint, be equipped with the low tile interface on the contact storehouse.
Further, the valve core is arranged on the sample inlet port and the sample outlet port of the sampling bottle, and when the sampling bottle enters the contact bin under the action of gravity, the thimble jacks up the valve core.
Further, the sample inlet port and the sample outlet port of the sampling bottle are both provided with guide pipes, the guide pipes on the sample inlet port extend to the bottom in the sampling bottle, and the guide pipes on the sample outlet port extend to the top in the sampling bottle.
Further, the outside of the sampler is provided with a bracket, the sampler is rotationally connected to the bracket, and the bracket is provided with a fixing pin matched with the sampler for use.
Further, the outside of sampling bottle is provided with the sealing washer, the position that lies in between sample inlet port and the sample outlet port in the contact storehouse is equipped with step structure, the sealing washer contacts with step structure when the sampling bottle gets into in the contact storehouse.
Furthermore, the contact bin and the sampler are both provided with pressure gauges, and a sample outlet interface of the sampler is provided with a flowmeter.
Further, the compartment valves and the compartment opening valves are ball valves.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, be provided with contact storehouse and replacement storehouse in the sample thief, realize the work that the subregion was sampled and the work that the interior residual sample of sample sweeps the replacement in the sample thief, both do not interfere each other, do not influence each other, in addition, can adopt different storehouse body structural design better realization required different functions.
Secondly, realize airtight sampling completely, the sampling process need not other power source, relies on self gravity to slide between the replacement storehouse in the sampler and the contact storehouse to realize independently taking a sample, easy operation is convenient, prevents to lead to revealing of sample to influence healthy and the external atmospheric environment of personnel because of personnel's error.
And thirdly, after sampling is finished, firstly exhausting with low watt, then introducing nitrogen to purge and replace the replacement bin and the contact bin to the low-pressure gas system, and adding no other accessories to the replacement bin, wherein the replacement bin is close to one side of the nitrogen source, so that dead angle-free purging can be realized, and after the purging is finished, the bin separating valve is closed, and the influence of sample overflow on the atmosphere environment is completely avoided.
Drawings
Fig. 1 is a front view of a sampling bottle of the present utility model.
Fig. 2 is an enlarged view of a portion of the utility model at a of fig. 1.
Fig. 3 is an exploded view of the sampler of the present utility model.
Fig. 4 is a front view of the sampler of the present utility model.
Fig. 5 is a right side view of the sampler of the present utility model.
Fig. 6 is a cross-sectional view in the direction B-B of fig. 5 of the present utility model.
Fig. 7 is an enlarged view of a portion of the utility model at C in fig. 6.
The reference numbers shown in the drawings:
1. a sampler; 2. a sampling bottle; 3. a contact bin; 4. replacing a bin; 5. a compartment valve; 6. a sample inlet port; 7. a sample outlet port; 8. a thimble; 9. a quick connector; 10. opening a bin valve; 11. a nitrogen interface; 12. lowering the tile interface; 13. a valve core; 14. a guide tube; 15. a bracket; 16. a seal ring; 17. a pressure gauge.
Detailed Description
The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.
The utility model relates to a gravity wedging type gas airtight sampling device, as shown in fig. 6, a main structure comprises a sampler 1 and a sampling bottle 2, as shown in fig. 3 and 4, the sampler 1 is provided with a contact bin 3 and a replacement bin 4, and the contact bin 3 and the replacement bin 4 are in sealing connection through a bin separating valve 5, so that an airtight bin separating function is realized, and the structural requirements required by each stage in the sampling process are met; under the action of gravity, the sampling bottle 2 can automatically slide between the contact bin 3 and the replacement bin 4, no additional power source is needed to control the sampling bottle 2 to move to a required position, the contact bin 3 and the sampling bottle 2 are provided with a sample inlet port 6 and a sample outlet port 7, the contact bin 3 is internally provided with a thimble 8 for controlling the opening and closing of the sample inlet port 6 and the sample outlet port 7 of the sampling bottle 2, so that an automatic sampling function is realized, sampling steps are simplified, and adverse effects caused by personnel errors are reduced; the utility model discloses a replacement sampling device, including replacement storehouse 4, quick-operation joint, contact storehouse 3, nitrogen interface, quick-operation joint 9, nitrogen interface, contact storehouse 3, wherein the quick-operation joint 4 top is provided with detachable connection's quick-operation joint 9, is equipped with the valve 10 that opens the storehouse between the two, quick-operation joint 9 is provided with nitrogen interface 11, be equipped with on the contact storehouse 3 and put down the tile interface 12, through opening to put down the tile valve, with the interior remaining sample of sampler through putting down the tile interface discharge for be in low tile state in the sampler, connect quick-operation joint 9, the nitrogen line and the valve that open the storehouse on the accessory pipeline that sampler 1 connects are opened successively, begin to introduce nitrogen and get into from nitrogen interface 11 and sweep the remaining sample in the replacement sampling device 1, realize under the low tile state cooperation nitrogen does not have the dead angle and sweep the replacement remaining sample, guarantee that no remaining sample escapes to external atmospheric environment, avoid influencing peripheral personnel health.
As shown in fig. 1 and fig. 2, the valve core 13 is disposed at the sample inlet port 6 and the sample outlet port 7 of the sampling bottle 2, as shown in fig. 6 and fig. 7, when the sampling bottle 2 enters the contact bin 3 under the action of gravity, the valve core 13 is pushed open by the ejector pin 8, the valve core 13 is opened when pressed by the ejector pin 8, and the external force is withdrawn to be closed, so that when the sampling bottle 2 enters the contact bin 3 to sample, the valve core 13 is pushed open by the ejector pin 8 which contacts the contact bin 3 under the gravity of the self, and after leaving the contact bin 3, the valve core 13 is automatically closed without external force, thereby realizing autonomous sampling.
As shown in fig. 1, the sample inlet port 6 and the sample outlet port 7 of the sampling bottle 2 are both provided with guide pipes 14, the guide pipes 14 on the sample inlet port 6 extend to the inner bottom of the sampling bottle 2, the guide pipes 14 on the sample outlet port 7 extend to the inner top of the sampling bottle 2, so that the sample can be filled from bottom to top, the sample with a certain pressure difference can flow in the sampling bottle 2, the space in the bottle can be completely filled with the gas with a larger specific gravity, and the accuracy of the taken sample is higher.
As shown in fig. 4, the outer portion of the sampler 1 is provided with a bracket 15, the sampler 1 is rotatably connected to the bracket 15, and the bracket 15 is provided with a fixing pin matched with the sampler 1, so that the sampler 1 is wholly vertically erected, horizontally placed or inclined downward by 45 degrees, and the sampling bottle 2 is driven to automatically slide in a bin of the sampler, thereby realizing operation sampling and replacement in different environments.
As shown in fig. 1 and 7, the outside of the sampling bottle 2 is provided with a sealing ring 16, a step structure is arranged at a position between the sample inlet port 6 and the sample outlet port 7 in the contact bin 3, and when the sampling bottle 2 enters the contact bin 3, the sealing ring 16 contacts with the step structure, so that the sealing ring 16 separates an inlet from an outlet, and therefore, samples which can enter from the air inlet of the contact bin 3 are not directly discharged from the air outlet of the contact bin 3, and the accuracy of the samples is affected.
As shown in fig. 1 and fig. 5, the contact bin 3 and the sampler 1 are both provided with a pressure gauge 17 for monitoring the pressure in the bin and providing indexes required by sampling and low-watt exhaust, and a flow meter is arranged at a sampling interface of the sampler 1 to monitor the outlet flow of the sampler 1 and judge whether the filling is finished.
As shown in fig. 3, the compartment valves 5 and 10 are ball valves, the ball valves can realize complete sealing in a larger pressure and temperature range, the closing member can bear high pressure difference at two ends when being closed, and the closing member can realize quick opening and closing, and can not be blocked during working, so that the conditions which are required to be met by the working environments of the compartment valves 5 and 10 are met.
Example 1
Checking that the appearance of the sampler 1 is normal, the interface is not loose, horizontally placing the sampler 1, horizontally placing the sampling bottle 2 into the replacement bin 4, closing the bin opening valve 10, opening the bin separating valve, slowly erecting the sampler 1 upwards, sliding the sampling bottle 2 from the replacement bin 4 to the contact bin 3 under the action of gravity until the sampling bottle 2 completely enters the contact bin 3 after being vertical, closing the bin separating valve 5, at the moment, controlling the sample inlet and outlet interfaces of the sampling bottle 2 to be simultaneously opened by a thimble 8 arranged on the contact bin 3, and then opening the valve of an accessory pipeline connected with a sample feeding line and a sample discharging line to start sampling;
after the sampling bottle 2 is filled, a sample feeding line valve and a discharge line valve are closed, a compartment valve 5 is opened, the sampler 1 is inclined downwards and inverted, the sampling bottle 2 starts to slide out of a contact compartment 3, a thimble 8 of the contact compartment 3 automatically closes a sample inlet and outlet port of the sampling bottle 2 at the same time, after the sampling bottle 2 slides into a replacement compartment 4, a low-watt valve is opened, residual samples in the sampler 1 are discharged through the low-watt interface 12, after the pressure in the compartment of the sampler 1 is reduced to the low-watt pressure, the sampler 1 is horizontally placed, a quick connector 9 is arranged, a nitrogen valve and an opening valve 10 on an accessory pipeline are sequentially opened, nitrogen enters the sampler 1 from the nitrogen interface 11, residual samples in the replacement sampler 1 are purged to the low-watt position, after 10 seconds, the compartment valve 5 and the nitrogen valve on the accessory pipeline are sequentially closed, an emptying valve arranged on the accessory pipeline is opened again to perform pressure relief, after the pressure in the replacement compartment 4 is not increased, the quick connector 9 is taken down, the sampler 1 is inclined downwards and inverted, and the sampling bottle 2 is taken out, and the sampling is completed.
Example 2
On the basis of the embodiment 1, a bracket 15 is arranged on the sampler 1, a fixing pin matched with the sampler 1 is arranged on the bracket 15, the position of the fixing pin is changed during sampling, so that the change of the angle of the sampler 1 is changed to drive a sampling bottle 2 to automatically slide in the sampler 1, the sampling bottle 2 slides into a contact bin 3, at the moment, a sealing ring 16 arranged on the sampling bottle 2 is contacted with a step structure arranged on the contact bin 3 to prevent the sample inlet gas of the contact bin 3 from being directly discharged through a sample outlet, in addition, a valve core 13 arranged on a sample inlet and outlet interface of the sampling bottle 2 is pressed and opened by a thimble 8 arranged on the contact bin 3, then a sample feeding line and a discharge line valve are connected, sampling is started, and after the sample enters the sampling bottle 2, the guiding tube 14 that is provided with from the sample inlet port 6 of sampling bottle 2 gets into, guide to the bottom in the sampling bottle 2, after the sample has filled sampling bottle 2, extend to the guiding tube 14 in the sampling bottle 2 from sampling bottle 2 outlet port and discharge, sampling bottle 2 outlet port is provided with the flowmeter and monitors the sample discharge, the staff can judge whether to fill completely according to its flow size and the pressure size of monitoring on the manometer 17 that sampling bottle 2 set up, change the position of fixed pin again and change the sampler 1 angle, make sampling bottle 2 remove to replacement storehouse 4 by contact storehouse 3, and then valve core 13 on the sampling bottle 2 does not receive the oppression of thimble 8 on the contact storehouse 3 and close, realize independently sampling, simplify the sampling step, make the operation simpler, reduce human error.
Example 3
On the basis of the embodiment 1, the partition valve 5 and the opening valve 10 are ball valves, so that the partition valve 5 and the opening valve 10 are opened and closed rapidly, and when the low-watt interface is opened to discharge residual gas, the complete sealing is realized, the opening and the closing can be completed, and the sampling bottle 2 can slide in the contact bin 3 and the replacement bin 4 independently.
Example 4
On the basis of embodiment 1, the pressure gauge 17 is arranged on the contact bin 3 and used for detecting whether the pressure in the bin is in a low-watt state or not, and further controlling whether the low-watt interface 12 needs to be continuously opened or not to discharge the residual sample in the bin.
Claims (7)
1. The utility model provides a gravity wedge type gas airtight sampling device which characterized in that: the automatic sampling device comprises a sampler (1) and a sampling bottle (2), wherein a contact bin (3) and a replacement bin (4) are arranged in the sampler (1), the sampling bottle (2) can automatically slide between the contact bin (3) and the replacement bin (4) under the action of gravity, the contact bin (3) and the replacement bin (4) are in sealing connection through a bin separating valve (5), a sample inlet interface (6) and a sample outlet interface (7) are arranged on the contact bin (3) and the sampling bottle (2), and a thimble (8) for controlling the sample inlet interface (6) and the sample outlet interface (7) of the sampling bottle (2) to be opened and closed is arranged in the contact bin (3); the top of replacement storehouse (4) is provided with quick-operation joint (9) of detachable connection, is equipped with division storehouse valve (10) between the two, be provided with nitrogen gas interface (11) on quick-operation joint (9), be equipped with on contact storehouse (3) and put low tile interface (12).
2. The gravity-wedged gas-tight sampling device as claimed in claim 1, wherein: the sample inlet port (6) and the sample outlet port (7) of the sampling bottle (2) are respectively provided with a valve core (13), and when the sampling bottle (2) enters the contact bin (3) under the action of gravity, the thimble (8) jacks up the valve cores (13).
3. The gravity-wedged gas-tight sampling device as claimed in claim 1, wherein: the sample inlet port (6) and the sample outlet port (7) of the sampling bottle (2) are respectively provided with a guide pipe (14), the guide pipes (14) on the sample inlet port (6) extend to the bottom in the sampling bottle (2), and the guide pipes (14) on the sample outlet port (7) extend to the top in the sampling bottle (2).
4. The gravity-wedged gas-tight sampling device as claimed in claim 1, wherein: the sampler is characterized in that a bracket (15) is arranged outside the sampler (1), the sampler (1) is rotationally connected to the bracket (15), and a fixing pin matched with the sampler (1) for use is arranged on the bracket (15).
5. The gravity-wedged gas-tight sampling device as claimed in claim 1, wherein: the outside of sampling bottle (2) is provided with sealing washer (16), the position that lies in contact storehouse (3) between sample advances interface (6) and sample out interface (7) is equipped with step structure, sealing washer (16) contact with step structure when in sampling bottle (2) entering contact storehouse (3).
6. The gravity-wedged gas-tight sampling device as claimed in claim 1, wherein: the pressure gauge (17) is arranged on the contact bin (3) and the sampler (1), and a flowmeter is arranged at a sample outlet (7) of the sampler (1).
7. The gravity-wedged gas-tight sampling device as claimed in claim 1, wherein: the compartment valve (5) and the compartment opening valve (10) are ball valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570277.0U CN219328640U (en) | 2022-09-28 | 2022-09-28 | Gravity wedging type gas closed sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570277.0U CN219328640U (en) | 2022-09-28 | 2022-09-28 | Gravity wedging type gas closed sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219328640U true CN219328640U (en) | 2023-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222570277.0U Active CN219328640U (en) | 2022-09-28 | 2022-09-28 | Gravity wedging type gas closed sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219328640U (en) |
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2022
- 2022-09-28 CN CN202222570277.0U patent/CN219328640U/en active Active
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