CN211652238U - Full-balance in-tank sampler - Google Patents
Full-balance in-tank sampler Download PDFInfo
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- CN211652238U CN211652238U CN202020139753.1U CN202020139753U CN211652238U CN 211652238 U CN211652238 U CN 211652238U CN 202020139753 U CN202020139753 U CN 202020139753U CN 211652238 U CN211652238 U CN 211652238U
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- truss
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- 238000005070 sampling Methods 0.000 claims abstract description 153
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
A full-balance in-tank sampler comprises an upper sampling port, a middle sampling port and a lower sampling port which are arranged in a tank body, and a sampling device which is arranged outside the tank body; an equal proportion telescopic truss is arranged in the tank body, an upper sampling port and a middle sampling port are respectively arranged at the upper part and the middle part of the equal proportion telescopic truss, and a lower sampling port is arranged at the bottom of the tank body; the height positions of the upper sampling port, the middle sampling port and the lower sampling port are kept in an equal-proportion telescopic relation through an equal-proportion telescopic truss; the sampling device is correspondingly connected with the upper sampling port, the middle sampling port and the lower sampling port through an upper sampling pipe, a middle sampling pipe and a lower sampling pipe respectively; the sampling device comprises a header pipe, a sampling pipe and a return pipe; the main pipe, the sampling pipe and the return pipe are connected through a three-way control valve; the upper sampling pipe, the middle sampling pipe and the lower sampling pipe are respectively connected with the sample injection valve and the main pipe through a tank root valve; a circulating pump is arranged on the main pipe close to the three-way control valve; the return pipe is provided with a tank root valve. The utility model discloses can accurate sampling, improve the sampling precision, the sample is safe convenient, reduces the dead appearance probability, shortens the sample time.
Description
Technical Field
The utility model relates to a storage tank sampling device, especially a full balanced in-tank sample thief.
Background
Along with the improvement of large-scale storage tank liquid inspection, the storage tank liquid inspection needs to gather the sample under the different liquid levels, just also puts forward higher requirement along with putting forward to the storage tank sampling requirement.
At present, storage tank sampling is mainly carried out by manually climbing to a tank top and sampling is carried out from a sampling port, but manual sampling has more human influence factors, and firstly, the labor intensity of sampling personnel is high and unsafe; secondly, the sampling precision is poor; thirdly, the sampling time is long; and fourthly, the sampling is more difficult when the liquid in the tank flows.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a sample thief in reasonable in design, simple operation, simple reliable full balance jar.
The utility model aims to solve the technical problem that the sampler is realized by the following technical proposal, the utility model is a full-balance in-tank sampler, which is characterized in that the sampler comprises an upper sampling port, a middle sampling port and a lower sampling port which are arranged in a tank body and a sampling device which is arranged outside the tank body;
an equal proportion telescopic truss is arranged in the tank body, an upper sampling port and a middle sampling port are respectively arranged at the upper part and the middle part of the equal proportion telescopic truss, and a lower sampling port is arranged at the bottom of the tank body;
the height positions of the upper sampling port, the middle sampling port and the lower sampling port are kept in an equal-proportion telescopic relation through an equal-proportion telescopic truss;
the sampling device is respectively connected with the upper sampling port, the middle sampling port and the lower sampling port through an upper sampling pipe, a middle sampling pipe and a lower sampling pipe; the sampling device comprises a header pipe, a sampling pipe and a return pipe; the main pipe, the sampling pipe and the return pipe are connected through a three-way control valve;
the upper sampling pipe, the middle sampling pipe and the lower sampling pipe are respectively connected with the sample injection valve and the header pipe through a tank root valve; a circulating pump is arranged on the main pipe close to the three-way control valve;
the sampling tube is provided with a sampling port;
the return pipe is provided with a tank root valve, and the other end of the return pipe extends into the tank body.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the full balanced in-tank sample thief in: the equal-proportion telescopic truss comprises a truss body, and a floating ball device is arranged at the top of the truss body; the bottom of the truss body is connected with the bottom of the tank body through a tank bottom bracket;
the central guide pillar is arranged at the central hinged point of the truss body, the lower end of the central guide pillar is connected with the tank bottom support, and the tank top support which is matched with the upper end of the central guide pillar is arranged at the top of the tank body.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the full balanced in-tank sample thief in: and a guide sliding ring matched with the central guide pillar is arranged at the central hinged point of the truss body.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the full balanced in-tank sample thief in: an anti-rotation mechanism is arranged between the guide slip ring and the central guide pillar.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the full balanced in-tank sample thief in: the tank top bracket comprises an adjustable nut arranged at the top of the central guide pillar, and a pre-pressing spring is arranged between the adjustable nut and the tank top.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the full balanced in-tank sample thief in: go up the sampling pipe and include folding section I that sets up along the equal proportion flexible truss and the linkage segment I that meets with house steward, folding section I is equipped with a plurality of minutes pipes I of dress on the flexible truss of proportion, connects through I hose between the adjacent branch pipe I.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the full balanced in-tank sample thief in: the middle sampling pipe comprises a folding section II arranged along the equal-proportion telescopic truss and a connecting section II connected with the main pipe, the folding section II is provided with a plurality of branch pipes II arranged on the equal-proportion telescopic truss, and the adjacent branch pipes II are connected through hoses II.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the full balanced in-tank sample thief in: the circulating pump is a pneumatic circulating pump, and a pneumatic control valve is arranged on a gas source pipeline connected with the pneumatic circulating pump.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) by adopting the equal-proportion telescopic truss, the liquid in the tank body can be accurately sampled, the sampling precision is improved, and when the liquid level changes, the height positions of the upper sampling port, the middle sampling port and the lower sampling port can also keep an equal-proportion telescopic relation; the upper sampling pipe, the middle sampling pipe and the lower sampling pipe are all connected with the main pipe, only one sampling port is arranged, and samples are all transmitted to the sampling ports through the main pipe, so that the sampling is accurate and convenient, the probability of dead samples is reduced, and the sampling time is shortened;
(2) the position of the equal-proportion telescopic truss in the vertical operation is accurate by arranging the central guide pillar and the guide slip ring; the anti-rotation mechanism and the pre-pressing spring are additionally arranged, so that the buffer effect and the anti-rotation effect are achieved, the unstable operation of the equal-proportion telescopic truss during the flowing of liquid in the tank can be avoided, and the sampling precision is improved;
(3) the operating personnel sets up sampling device's specific position according to the demand, reduces sampling personnel intensity of labour, and safe and reliable guarantees long period steady operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a pipeline of the sampling device of the present invention;
fig. 3 is a partial schematic view of the isometric expansion truss body of the present invention;
FIG. 4 is a partial schematic view of the tank top bracket of the present invention;
FIG. 5 is a partial schematic view of the anti-rotation mechanism of the present invention;
in the figure: 1. a tank body; 2. a sampling device; 3. the equal proportion of the telescopic trusses; 4. an upper sampling port; 5. a middle sampling port; 6. a down-sampling port; 7. a sampling pipe is arranged; 8. a middle sampling pipe; 9. a lower sampling pipe; 10. a return pipe; 11. a floating ball device; 12. a tank bottom support; 13. a central guide post; 14. a tank top support; 15. a guide slip ring; 16. a header pipe; 17. a sampling tube; 18. a three-way control valve; 19. a canister root valve; 20. a sample injection valve; 21. a circulation pump; 22. a sampling port; 23. a gas source conduit; 24. a pneumatic control valve; 25. an anti-rotation mechanism; 26. an adjustable nut; 27. pre-pressing a spring; 28. prevent changeing the kicking block.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
Embodiment 1, referring to fig. 1 and 2, a fully balanced in-tank sampler includes an upper sampling port, a middle sampling port and a lower sampling port arranged in a tank body 1, and a sampling device 2 arranged outside the tank body 1;
an equal-proportion telescopic truss 3 is arranged in the tank body 1, an upper sampling port 4 and a middle sampling port 5 are respectively arranged at the upper part and the middle part of the equal-proportion telescopic truss 3, and a lower sampling port 6 is arranged at the bottom of the tank body 1;
the height positions of the upper sampling port 4, the middle sampling port 5 and the lower sampling port 6 are kept in an equal-proportion telescopic relation through the equal-proportion telescopic truss 3;
the sampling device 2 is respectively connected with the upper sampling port 4, the middle sampling port 5 and the lower sampling port 6 through an upper sampling pipe 7, a middle sampling pipe 8 and a lower sampling pipe 9; the buoyancy of the upper, middle and lower sampling pipes is close to the weight of the equal proportion telescopic truss 3, and the upper, middle and lower sampling pipes are not affected by self weight, so that the elastic deformation of a pipeline is avoided, and the sampling height position is more accurate;
the sampling device 2 comprises a header pipe 16, a sampling pipe 17 and a return pipe 10; the main pipe 16, the sampling pipe 17 and the return pipe 10 are connected through a three-way control valve 18;
the upper sampling tube, the middle sampling tube and the lower sampling tube are respectively connected with a sample injection valve 20 and a header pipe 16 through a tank root valve 19; a circulating pump 21 is arranged on the main pipe 16 close to the three-way control valve 18; the arranged root irrigation valve can cut off the liquid in the tank in an emergency manner to prevent leakage;
the sampling tube 17 is provided with a sampling port 22;
a tank root valve 19 is arranged on the return pipe 10, and the other end of the return pipe 10 extends into the tank body 1; the return pipe 10 is provided with a return port arranged in the tank body 1;
example 2: with reference to fig. 3 and 4, in the fully balanced in-tank sampler described in embodiment 1, the equal-proportion telescopic truss 3 includes a truss body, and a floating ball device 11 is disposed at the top of the truss body; the equal proportion telescopic truss 3 can change the height position along with the lifting of the liquid level of the liquid in the tank by the arranged floating ball device 11;
the bottom of the truss body is connected with the bottom of the tank body 1 through a tank bottom bracket 12;
a central guide post 13 is arranged at the central hinged point of the truss body, the lower end of the central guide post 13 is in threaded connection with a tank bottom bracket 12, and a tank top bracket 14 which is matched and installed with the upper end of the central guide post 13 is arranged at the top of the tank body 1;
a guide slip ring 15 matched with the central guide pillar 13 is arranged at the central hinge point of the truss body;
referring also to fig. 5, an anti-rotation mechanism 25 is provided between the guiding slip ring 15 and the core beam 13; a section notch of the anti-rotation mechanism 25 is arranged along the length direction of the central guide pillar 13, and an anti-rotation top block 28 corresponding to the section notch is arranged on the guide slip ring;
the tank top bracket 14 comprises an adjustable nut 26 arranged at the top of the central guide post 13, and a pre-pressing spring 27 is arranged between the adjustable nut 26 and the tank top; the pre-pressing spring 27 can compensate the expansion caused by heat and contraction caused by cold of the tank body 1;
the upper sampling pipe 7 comprises a folding section I and a connecting section I, wherein the folding section I is arranged along the equal proportion telescopic truss 3, the connecting section I is connected with the main pipe 16, the folding section I is provided with a plurality of branch pipes I which are arranged on the proportion telescopic truss, and adjacent branch pipes I are connected through hoses I;
the middle sampling pipe 8 comprises a folding section II arranged along the equal proportion telescopic truss 3 and a connecting section II connected with the main pipe 16, the folding section II is provided with a plurality of branch pipes II arranged on the equal proportion telescopic truss, and adjacent branch pipes II are connected through hoses II;
the circulating pump 21 is a pneumatic circulating pump, and an air control valve 24 is arranged on an air source pipeline 23 connected with the pneumatic circulating pump;
and the sampling device 2 is hermetically connected with the tank body 1 through a flange.
The specific working process is as follows:
before sampling, starting a circulating pump 21 to be switched on and off, and completely opening a tank root valve 19; controlling the three-way control valve 18 to communicate the main pipe 16 with the return pipe 10;
selecting liquid with a certain liquid level height to be sampled, opening a sample injection valve of a sampling pipe at a position corresponding to the liquid level height, enabling the liquid to flow through the corresponding sampling pipe, the header pipe 16 and the return pipe 10 through a corresponding sampling port, circulating for a period of time, filling an instant sample with a certain liquid level height in the header pipe 16, and controlling the three-way control valve 18 to communicate the sampling pipe with the header pipe 16 to realize sampling; after sampling, the corresponding sample injection valve is turned to a closed position, and then the three-way control valve 18 is controlled to communicate the header pipe 16 with the return pipe 10; by analogy, sampling of the upper part, the middle part and the lower part of the liquid in the tank is completed;
after sampling is complete, the circulation pump 21 and canister valve 19 are turned to the closed position.
Claims (8)
1. The utility model provides a full balanced in-can sample thief which characterized in that: comprises an upper sampling port, a middle sampling port and a lower sampling port which are arranged in a tank body and a sampling device which is arranged outside the tank body;
an equal proportion telescopic truss is arranged in the tank body, an upper sampling port and a middle sampling port are respectively arranged at the upper part and the middle part of the equal proportion telescopic truss, and a lower sampling port is arranged at the bottom of the tank body;
the height positions of the upper sampling port, the middle sampling port and the lower sampling port are kept in an equal-proportion telescopic relation through an equal-proportion telescopic truss;
the sampling device is respectively connected with the upper sampling port, the middle sampling port and the lower sampling port through an upper sampling pipe, a middle sampling pipe and a lower sampling pipe; the sampling device comprises a header pipe, a sampling pipe and a return pipe; the main pipe, the sampling pipe and the return pipe are connected through a three-way control valve;
the upper sampling pipe, the middle sampling pipe and the lower sampling pipe are respectively connected with the sample injection valve and the header pipe through a tank root valve; a circulating pump is arranged on the main pipe close to the three-way control valve;
the sampling tube is provided with a sampling port;
the return pipe is provided with a tank root valve, and the other end of the return pipe extends into the tank body.
2. The fully balanced in-tank sampler of claim 1, wherein: the equal-proportion telescopic truss comprises a truss body, and a floating ball device is arranged at the top of the truss body; the bottom of the truss body is connected with the bottom of the tank body through a tank bottom bracket;
the central guide pillar is arranged at the central hinged point of the truss body, the lower end of the central guide pillar is connected with the tank bottom support, and the tank top support which is matched with the upper end of the central guide pillar is arranged at the top of the tank body.
3. The fully balanced in-tank sampler of claim 2, wherein: and a guide sliding ring matched with the central guide pillar is arranged at the central hinged point of the truss body.
4. The fully balanced in-tank sampler of claim 3, wherein: an anti-rotation mechanism is arranged between the guide slip ring and the central guide pillar.
5. The fully balanced in-tank sampler of claim 2, wherein: the tank top bracket comprises an adjustable nut arranged at the top of the central guide pillar, and a pre-pressing spring is arranged between the adjustable nut and the tank top.
6. The fully balanced in-tank sampler of claim 1, wherein: go up the sampling pipe and include folding section I that sets up along the equal proportion flexible truss and the linkage segment I that meets with house steward, folding section I is equipped with a plurality of minutes pipes I of dress on the flexible truss of proportion, connects through I hose between the adjacent branch pipe I.
7. The fully balanced in-tank sampler of claim 1, wherein: the middle sampling pipe comprises a folding section II arranged along the equal-proportion telescopic truss and a connecting section II connected with the main pipe, the folding section II is provided with a plurality of branch pipes II arranged on the equal-proportion telescopic truss, and the adjacent branch pipes II are connected through hoses II.
8. The fully balanced in-tank sampler of claim 1, wherein: the circulating pump is a pneumatic circulating pump, and a pneumatic control valve is arranged on a gas source pipeline connected with the pneumatic circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139753.1U CN211652238U (en) | 2020-01-21 | 2020-01-21 | Full-balance in-tank sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139753.1U CN211652238U (en) | 2020-01-21 | 2020-01-21 | Full-balance in-tank sampler |
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| Publication Number | Publication Date |
|---|---|
| CN211652238U true CN211652238U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020139753.1U Active CN211652238U (en) | 2020-01-21 | 2020-01-21 | Full-balance in-tank sampler |
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| Country | Link |
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| CN (1) | CN211652238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476402A (en) * | 2020-10-26 | 2022-05-13 | 苏州润谷智能设备有限公司 | Large-scale jar of body sampling device |
-
2020
- 2020-01-21 CN CN202020139753.1U patent/CN211652238U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476402A (en) * | 2020-10-26 | 2022-05-13 | 苏州润谷智能设备有限公司 | Large-scale jar of body sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fully balanced in tank sampler Effective date of registration: 20221019 Granted publication date: 20201009 Pledgee: Bank of Nanjing Co.,Ltd. Lianyungang Branch Pledgor: LIANYUNGANG HECHANG MACHINERY Co.,Ltd. Registration number: Y2022320000622 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201009 Pledgee: Bank of Nanjing Co.,Ltd. Lianyungang Branch Pledgor: LIANYUNGANG HECHANG MACHINERY Co.,Ltd. Registration number: Y2022320000622 |