CN219641309U - Sampling device for large-scale reaction kettle - Google Patents
Sampling device for large-scale reaction kettle Download PDFInfo
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- CN219641309U CN219641309U CN202223591533.0U CN202223591533U CN219641309U CN 219641309 U CN219641309 U CN 219641309U CN 202223591533 U CN202223591533 U CN 202223591533U CN 219641309 U CN219641309 U CN 219641309U
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- pipe
- suction
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- 238000005070 sampling Methods 0.000 title claims abstract description 95
- 238000010667 large scale reaction Methods 0.000 title claims abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 238000010926 purge Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 11
- 230000006872 improvement Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a sampling device for a large-scale reaction kettle, which is arranged in a sampling box body and comprises a suction component for sucking liquid in the reaction kettle, a sampling component for bearing the sampling liquid sucked by the suction component, and a nitrogen purging component for purging a pipeline after sampling is completed, wherein the suction component comprises a suction pump and an auxiliary valve, the suction pump is provided with a suction pipe which extends out of the sampling box body and extends into the reaction kettle and is used for sucking the sampling liquid, the inlet end of the auxiliary valve is connected with an auxiliary liquid suction pipe which extends out of the sampling box body, the outlet end of the auxiliary valve is communicated with the suction pipe through a first three-way joint, and a first cylinder for driving the valve body of the auxiliary valve to be opened or closed is further arranged on the auxiliary valve. According to the utility model, the auxiliary valve is arranged in front of the suction pump, and the air in the suction pump body is discharged before the sample liquid is sucked, so that the suction distance of the suction pump is increased in an auxiliary manner, the structure is simple, the light-weight and small-size advantages are realized, and the suction pump can be used as a standardized device.
Description
Technical Field
The utility model relates to the technical field of chemical equipment, in particular to a sampling device for a large-scale reaction kettle.
Background
At present, along with the development of science and technology, the fields of chemical industry and the like are also rapidly developed, a reaction kettle is used as an indispensable device in the field of organic synthesis, and the requirements of people are higher and higher, so that the main effect is to mix chemical raw materials to obtain a required product.
In order to observe the reaction progress or the mixing result of the solution in the reaction kettle, a sampling device is often arranged at the upper end of the reaction kettle, the mixed solution in the reaction kettle is extracted, the pump body used by the existing sampling device has a good possible effect on extracting the sample solution from the small-sized reaction kettle, but in the large-sized reaction kettle, the pump body power is often increased due to longer suction stroke so as to absorb the mixed solution in the deeper reaction kettle, the pump body with larger power inevitably increases the overall weight of the sampling device, and the development of light and small-sized industrial equipment is not facilitated; and the diaphragm pump is used for extracting corrosive liquid, and because the suction pipe is long, the diaphragm action is difficult to fill the fluid cavity once, and energy waste is caused.
Disclosure of Invention
In order to overcome the defects, the utility model provides a sampling device which has the advantages of simple structure, light weight and miniaturization and can be used as a standardized device for sampling a large-scale reaction kettle.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a sampling device for large-scale reation kettle sets up in sampling box, and it includes:
the material sucking assembly comprises a material sucking pump and an auxiliary valve, the material sucking pump is provided with a material sucking pipe which extends out of the sampling box body and extends into the reaction kettle and is used for sucking sampling liquid, the inlet end of the auxiliary valve is connected with an auxiliary liquid sucking pipe which extends out of the sampling box body, the outlet end of the auxiliary valve is communicated with the material sucking pipe through a first three-way joint, and the auxiliary valve is further provided with a first cylinder for driving a valve body of the auxiliary valve to be opened or closed;
the sampling assembly is provided with a sampling valve, a second cylinder for controlling the opening or closing of the sampling valve, and a sampling bottle detachably connected with the sampling valve, and the sampling valve is communicated with the suction pump through a discharge connecting pipe;
the nitrogen purging component is provided with a nitrogen valve, the nitrogen valve is used for controlling the opening or closing of the third cylinder, and one end of the nitrogen valve is connected with a nitrogen purging connecting pipe which extends out of the sampling box body and is connected with a nitrogen source.
As a further improvement of the utility model, the first air cylinder is connected with an air filter, the inlet end of the air filter is provided with an air inlet pipe extending out of the sampling box body, the outlet end of the air filter is respectively connected with a first connecting pipe and a second connecting pipe through a second three-way joint, the first connecting pipe is connected to the first air cylinder after passing through a first electromagnetic valve, and the second connecting pipe is connected to a third air cylinder through a third three-way joint.
As a further improvement of the utility model, a third connecting pipe is connected to the side interface of the third three-way joint, the third connecting pipe is connected with a fifth connecting pipe and a sixth connecting pipe through a fourth three-way joint, the fifth connecting pipe is connected to a second electromagnetic valve, and the second electromagnetic valve is arranged on the connecting pipe between the nitrogen valve and the sampling valve.
As a further improvement of the utility model, the sixth connecting pipe is connected to a gas diverter valve, a seventh connecting pipe and an eighth connecting pipe which are connected to the second cylinder and the suction pump are arranged on the gas diverter valve, and a third electromagnetic valve is arranged at one end of the eighth connecting pipe, which is close to the suction pump.
As a further improvement of the utility model, the sampling valve is provided with an assembling joint which extends out of the sampling box body, and the inner wall of the assembling joint is provided with internal threads which are matched with the sampling bottle.
As a further improvement of the utility model, the suction pump is a pneumatic diaphragm pump.
As a further development of the utility model, the sampling box has a visual window which can be opened or closed.
The beneficial effects of the utility model are as follows: through set up the auxiliary valve before inhaling the material pump, the internal air of discharge inhaling the material pump before the sample liquid absorbs to supplementary suction distance that improves the material pump, simple structure has light-duty and miniaturized advantage, can regard as standardized device to use simultaneously.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a view angle structure according to the present utility model;
FIG. 3 is a schematic view of another view angle structure of the present utility model;
FIG. 4 is a schematic view of the structure of the sample box of the present utility model.
The following description is made with reference to the accompanying drawings:
1. sampling the box body; 11. a visual window; 2. a suction assembly; 2-1, a first three-way joint; 21. a suction pump; 211. a suction pipe; 22. an auxiliary valve; 221. an auxiliary pipette; 222. a first cylinder; 3. a sampling assembly; 31. a sampling valve; 32. a second cylinder; 33. sampling bottle; 34. a discharge connecting pipe; 35. assembling a joint; 4. a nitrogen purge assembly; 41. a nitrogen valve; 42. a third cylinder; 43. nitrogen purging the connecting pipe; 44. a second electromagnetic valve; 45. a connecting pipe; 5. an air filter; 5-1, a second three-way joint; 5-2, a third three-way joint; 5-3, a fourth three-way joint; 51. an air inlet pipe; 52. a first connection pipe; 53. a second connection pipe; 54. a first electromagnetic valve; 55. a third connection pipe; 56. a fifth connection pipe; 57. a sixth connection pipe; 6. a gas diverter valve; 61. a seventh connection pipe; 62. an eighth connection pipe; 63. and a third solenoid valve.
Detailed Description
A preferred embodiment of the present utility model will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 4, the embodiment of a sampling device for a large-scale reaction kettle is provided, and the sampling device is arranged in a sampling box body 1, so that the sampling device presents integrity and is convenient to detach and transport. The sampling device comprises a suction component for sucking liquid in the reaction kettle, a sampling component 3 for holding the sampled liquid sucked by the suction component 2, and a nitrogen purging component 4 for purging the pipeline after sampling is completed.
The material sucking assembly 2 comprises a material sucking pump 21 and an auxiliary valve 22, the material sucking pump 21 is provided with a material sucking pipe 211 extending out of the sampling box body 1 and extending into the reaction kettle for sucking sampling liquid, an auxiliary liquid sucking pipe 221 extending out of the sampling box body 1 is connected to the inlet end of the auxiliary valve 22, the outlet end of the auxiliary valve 22 is communicated with the material sucking pipe 211 through a first three-way joint 2 top 1, and a first cylinder 222 for driving a valve body of the auxiliary valve 22 to open or close is further arranged on the auxiliary valve 22.
Specifically, the auxiliary liquid suction pipe 221 extends into the liquid medium, the first cylinder 222 sucks the liquid medium through the auxiliary liquid suction pipe 221 and flows into the suction pump 21 from the outlet end of the auxiliary valve 22 through the first three-way joint 2-1, so that air in the pump body of the suction pump 21 is discharged and filled with the liquid medium, and then the suction pump 21 can have power, and can effectively suck sample liquid in the large-scale reaction kettle. Wherein the medium sucked by the auxiliary valve 22 is selected from the liquid which is consistent with the liquid in the reaction kettle or is used for experiments with the sampled liquid at a later stage. So that the suction pump can reach a larger suction distance without increasing the power of the suction pump 21.
The sampling assembly 3, the sampling assembly 3 is provided with a sampling valve 31, a second cylinder 32 for controlling the opening or closing of the sampling valve 31, and a sampling bottle 33 detachably connected with the sampling valve 31, and the sampling valve 31 is communicated with the suction pump 21 through a discharge connecting pipe 34;
the nitrogen purging component 4, the nitrogen purging component 4 is provided with a nitrogen valve 41, a third cylinder 42 for controlling the opening or closing of the nitrogen valve 41, and one end of the nitrogen valve 41 is connected with a nitrogen purging connecting pipe 43 which extends out of the sampling box body 1 and is connected with a nitrogen source.
Further, the first cylinder 222 is connected with an air filter 5, the inlet end of the air filter 5 is provided with an air inlet pipe 51 extending out of the sampling box 1, the outlet end of the air filter 5 is respectively connected with a first connecting pipe 52 and a second connecting pipe 53 through a second three-way joint 5-1, the first connecting pipe 52 is connected to the first cylinder 222 through a first electromagnetic valve 54, and the second connecting pipe 53 is connected to the third cylinder 42 through a third three-way joint 5-2. The side interface of the third three-way joint 5-2 is connected with a third connecting pipe 55, the third connecting pipe 55 is connected with a fifth connecting pipe 56 and a sixth connecting pipe 57 through the top 3 of the fourth three-way joint 5, the fifth connecting pipe 56 is connected to the second electromagnetic valve 44, and the second electromagnetic valve 44 is arranged on the connecting pipe 45 between the nitrogen valve 41 and the sampling valve 31. The sixth connection pipe 57 is connected to the gas dividing valve 6, and the gas dividing valve 6 is provided with a seventh connection pipe 61 and an eighth connection pipe 62 connected to the second cylinder 32 and the suction pump 21, and the eighth connection pipe 62 is provided with a third electromagnetic valve 63 at one end near the suction pump 21. Specifically, in the present embodiment, the pneumatic forces of the first cylinder 222, the second cylinder 32, the third cylinder 42 and the suction pump 21 are all from the air filter 5, and the gas is split to the auxiliary valve 22, the sampling valve 31 and the nitrogen valve 41 through the pipes after passing through the air filter 5.
Further, be equipped with on the sample valve 31 and stretch out the outer assembly joint 35 of sample box 1, be equipped with the internal thread with sample bottle 33 looks adaptation on the inner wall of assembly joint 35, through sample bottle 33 through with the sample connection through threaded connection, the sample bottle 33 dismantlement of being convenient for and threaded connection is reliable and stable.
The suction pump 21 in this embodiment is a pneumatic diaphragm pump. Selection of pneumatic diaphragm pumps this example is used for sampling liquids that are corrosive. Meanwhile, the sampling case 1 has a viewing window 11 that can be opened or closed.
The application process of the utility model is as follows:
firstly, a sampling device with a sampling box body 1 is arranged on a large-scale reaction kettle needing to be sampled, a suction pipe 211 is extended into the reaction kettle, and an auxiliary suction pipe 221 is extended into a liquid medium barrel (not shown in the figure);
then the auxiliary valve 22 is opened, and the medium in the liquid medium barrel is sucked by the auxiliary suction pipe 221 and enters the suction pump 21 from the suction pipe 211 through the first three-way joint 2-1, so that the suction pump 21 is filled with the liquid medium;
finally, the suction pump 21 is turned on, and the medium is filled in the pump body of the suction pump 21, so that the liquid in the large-scale reaction kettle can be directly sucked through the suction pipe 211, flows into the sampling valve 31 through the discharge connecting pipe 34, flows into the sampling bottle 33 through the sampling valve 31, and the sampling in the reaction kettle is completed.
After the sampling is completed, nitrogen enters the nitrogen valve 41 through the nitrogen purging connecting pipe 43, and after sequentially passing through the connecting pipe 45, the sampling valve 31, the discharging connecting pipe 34, the suction pump 21 and the suction pipe 211, the nitrogen is blown out into the reaction kettle through the inlet end of the suction pipe 211, so that no sample liquid residue in the sampling pipe is ensured.
In summary, according to the sampling device for the large-scale reaction kettle provided by the utility model, the auxiliary valve is arranged in front of the suction pump, and the air in the suction pump body is discharged before the sample liquid is sucked, so that the suction distance of the suction pump is increased in an auxiliary manner, the structure is simple, the advantages of light weight and miniaturization are achieved, and the sampling device can be used as a standardized device.
In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The foregoing description is only of a preferred embodiment of the utility model, which can be practiced in many other ways than as described herein, so that the utility model is not limited to the specific implementations disclosed above. While the foregoing disclosure has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model without departing from the technical solution of the present utility model still falls within the scope of the technical solution of the present utility model.
Claims (7)
1. A sampling device for large-scale reation kettle sets up in sampling box (1), its characterized in that includes:
the material sucking assembly (2), the material sucking assembly (2) comprises a material sucking pump (21) and an auxiliary valve (22), the material sucking pump (21) is provided with a material sucking pipe (211) which extends out of the sampling box body (1) and extends into the reaction kettle and is used for sucking sampling liquid, the inlet end of the auxiliary valve (22) is connected with an auxiliary liquid sucking pipe (221) which extends out of the sampling box body (1), the outlet end of the auxiliary valve (22) is communicated with the material sucking pipe (211) through a first three-way joint (2-1), and a first cylinder (222) used for driving a valve body of the auxiliary valve (22) to be opened or closed is further arranged on the auxiliary valve (22);
the sampling assembly (3) is provided with a sampling valve (31), a second cylinder (32) used for controlling the opening or closing of the sampling valve (31) and a sampling bottle (33) detachably connected with the sampling valve (31), and the sampling valve (31) is communicated with the suction pump (21) through a discharge connecting pipe (34);
the nitrogen purging device comprises a nitrogen purging component (4), wherein the nitrogen purging component (4) is provided with a nitrogen valve (41) and a third cylinder (42) used for controlling the opening or closing of the nitrogen valve (41), and one end of the nitrogen valve (41) is connected with a nitrogen purging connecting pipe (43) which extends out of the sampling box body (1) and is connected with a nitrogen source.
2. The sampling device for a large scale reaction vessel of claim 1, wherein: the first air cylinder (222) is connected with an air filter (5), an inlet end of the air filter (5) is provided with an air inlet pipe (51) extending out of the sampling box body (1), an outlet end of the air filter (5) is respectively connected with a first connecting pipe (52) and a second connecting pipe (53) through a second three-way joint (5-1), the first connecting pipe (52) is connected to the first air cylinder (222) through a first electromagnetic valve (54) after, and the second connecting pipe (53) is connected to a third air cylinder (42) through a third three-way joint (5-2).
3. The sampling device for a large scale reaction vessel of claim 2, wherein: the side interface of third three way connection (5-2) is connected with third connecting pipe (55), third connecting pipe (55) are connected with fifth connecting pipe (56) and sixth connecting pipe (57) through fourth three way connection (5-3), fifth connecting pipe (56) are connected to second solenoid valve (44), second solenoid valve (44) are located connecting pipe (45) between nitrogen valve (41) and sample valve (31).
4. A sampling device for a large scale reaction vessel according to claim 3, wherein: the sixth connecting pipe (57) is connected to the gas flow dividing valve (6), a seventh connecting pipe (61) and an eighth connecting pipe (62) which are connected to the second air cylinder (32) and the suction pump (21) are arranged on the gas flow dividing valve (6), and a third electromagnetic valve (63) is arranged at one end, close to the suction pump (21), of the eighth connecting pipe (62).
5. The sampling device for a large scale reaction vessel of claim 1, wherein: the sampling valve (31) is provided with an assembly joint (35) extending out of the sampling box body (1), and the inner wall of the assembly joint (35) is provided with an internal thread matched with the sampling bottle (33).
6. The sampling device for a large scale reaction vessel of claim 1, wherein: the suction pump (21) is a pneumatic diaphragm pump.
7. The sampling device for a large scale reaction vessel of claim 1, wherein: the sampling box (1) is provided with a visual window (11) which can be opened or closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223591533.0U CN219641309U (en) | 2022-12-29 | 2022-12-29 | Sampling device for large-scale reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223591533.0U CN219641309U (en) | 2022-12-29 | 2022-12-29 | Sampling device for large-scale reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219641309U true CN219641309U (en) | 2023-09-05 |
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ID=87807718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223591533.0U Active CN219641309U (en) | 2022-12-29 | 2022-12-29 | Sampling device for large-scale reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219641309U (en) |
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2022
- 2022-12-29 CN CN202223591533.0U patent/CN219641309U/en active Active
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