CN212206749U - Chemical solvent sampling device - Google Patents
Chemical solvent sampling device Download PDFInfo
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- CN212206749U CN212206749U CN202021042685.3U CN202021042685U CN212206749U CN 212206749 U CN212206749 U CN 212206749U CN 202021042685 U CN202021042685 U CN 202021042685U CN 212206749 U CN212206749 U CN 212206749U
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- chemical solvent
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Abstract
The utility model provides a chemical solvent sampling device, it includes: the sampling bottle comprises a sample inlet and a sample outlet; the sampling tube is fixedly connected to the sampling port of the sampling bottle; the sample outlet pipe is fixedly connected to the sample outlet; one end of the sampling tube is connected with the container for containing the chemical solvent, and the other end of the sampling tube is connected with one end of the sampling tube positioned outside the sampling bottle; the suction nozzle is positioned on the outer wall of the sampling bottle and is close to the sample inlet, and the suction nozzle is communicated with the sampling bottle; a three-way pipe; the first valve is fixedly connected to the second connector of the three-way pipe; the second valve is fixedly connected to a third connector of the three-way pipe; the third valve is fixedly connected to the sample outlet pipe, the device is simple in structure, and the solvent contained in the vat can be conveniently taken and put into a beaker or a reaction kettle.
Description
Technical Field
The utility model relates to a laboratory equipment field especially relates to a chemical solvent sampling device.
Background
When pilot-scale test or the enlarged experiment are done to current laboratory, because need apply to a large amount of organic or inorganic chemical solvent, at this moment, these chemical solvents generally all are the splendid attire bucket the inside of 25L above, when experimental needs pour chemical solvent into beaker or other reation kettle, current laboratory does not have suitable sampling device, if adopt handheld the pouring, consume laboratory man's physical power promptly, spill chemical solvent again easily, especially when the organic chemical solvent of sample, chemical solvent spills can all lead to the fact certain damage to the article and the laboratory man of laboratory.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of the prior art, the utility model aims at providing a chemical solvent sampling device, sampling device simple structure, convenient to use has improved work efficiency.
To achieve the above and other related objects, the present invention provides a chemical solvent sampling device, which includes: the sampling bottle comprises a sample inlet and a sample outlet; the sampling tube is fixedly connected to the sampling port of the sampling bottle, one end of the sampling tube is positioned outside the sampling bottle, and the other end of the sampling tube extends into the sampling port and the sampling bottle; the sample outlet pipe is fixedly connected to the sample outlet; one end of the sampling tube is connected with the container for containing the chemical solvent, and the other end of the sampling tube is connected with one end of the sampling tube positioned outside the sampling bottle; the suction nozzle is positioned on the outer wall of the sampling bottle and is close to the sample inlet, and the suction nozzle is communicated with the sampling bottle; a first interface of the three-way pipe is connected with the pumping nozzle, a second interface of the three-way pipe is connected with a vacuum pump, and a third interface of the three-way pipe is connected with the atmosphere; the first valve is fixedly connected to the second connector of the three-way pipe; the second valve is fixedly connected to a third connector of the three-way pipe; and the third valve is fixedly connected to the sample outlet pipe.
In one embodiment, the sampling bottle is in the shape of a cylinder at the upper end and a sphere at the lower end, the sample outlet is positioned at the bottom of the sphere, and the length of the sample outlet pipe is 3-6 cm.
In one embodiment, the sample inlet tube is coaxially disposed with the sample vial.
In one embodiment, the height of the cylinder is 30-40cm and the diameter of the cylinder is 6-10 cm.
In one embodiment, a U-shaped buffer tube is connected between the second interface of the tee pipe and the vacuum pump.
In an embodiment, the device is still including wasing the subassembly, it is including being close to wash the subassembly including being close to the introduction port sets up and is located the outside washing mouth of sample bottle, and the rigid coupling is in inside the sample bottle, and be located the introduction port with wash the board between the suction nozzle.
In one embodiment, the length of the sample inlet tube into the sample vial is 20-25 cm.
In one embodiment, the outer surface of the sampling bottle is provided with volume graduation lines.
In one embodiment, the cleaning plate is a porous structure.
In one embodiment, the sampling tube is a rubber tube having an outer diameter of 1.9-2.4 cm.
As mentioned above, the utility model discloses a chemical solvent sampling device has following beneficial effect:
chemical solvent sampling device, simple structure is convenient for take a sample to the solvent of great container splendid attire, the utility model discloses can be anti-pollution, convenient to use has improved the work efficiency that the laboratory enlargies the experiment.
Drawings
Fig. 1 is a schematic structural diagram of the chemical solvent sampling device of the present invention.
Fig. 2 is a schematic structural view of the cleaning plate of the present invention.
Description of the element reference numerals
1 sampling bottle
11 sample inlet
12 sample outlet
2 sampling tube
3 sample outlet pipe
4 sampling tube
5 suction nozzle
6 three-way pipe
61 first interface
62 second interface
63 third interface
7 first valve
8 second valve
9 third valve
10 volume graduation mark
100 cleaning assembly
110 cleaning nozzle
120 cleaning plate
121 through hole
122 cleaning hole
200 fastener
300U-shaped buffer tube
Detailed Description
Referring to fig. 1 to 2, embodiments of the present invention are described below by specific examples, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
As shown in fig. 1, the utility model provides a chemical solvent sampling device, the device can be used for taking the solvent in vat splendid attire container when needs are taken in order to carry out the enlarged experiment in order to get into container such as beaker or reation kettle with the solvent, the volume of splendid attire container can be for example the container that is greater than 25L, the solvent can be for example organic solvent such as methanol, ethanol.
The device firstly comprises a sampling bottle 1, wherein the sampling bottle 1 can be in the shape of a cylinder at the upper end and a sphere at the lower end, the height of the cylinder can be 30-40cm, the diameter of the cylinder can be 6-10cm, and the sampling bottle 1 can be used as a temporary storage bottle for the solvent to be transferred to be placed in a container such as a beaker or a reaction kettle. The utility model discloses sample bottle 1 lower extreme still has the shape of a spheroid, can further increase like this sample bottle 1's splendid attire volume to the volume that the solvent can be sampled in the increase.
As shown in fig. 1, the sampling bottle 1 may further be provided with a sample inlet 11 and a sample outlet 12, the sample inlet 11 and the sample outlet 12 may be respectively disposed at two ends, such as a top end and a bottom end, of the sampling bottle 1, in an embodiment, the sample outlet 12 may be located at the bottom of the sphere, for example, the sample outlet 12 may be fixedly connected with a sample outlet tube 3, and the length of the sample outlet tube 3 may be 3-6cm, for example. The sampling flask 1 may be provided with volume graduations 10 to mark the volume of solvent released into the beaker or reactor.
As shown in fig. 1, the sample inlet 11 can be fixedly connected with a sample inlet tube 2, one end of the sample inlet tube 2 can be inserted into the sample inlet 11 to enter the sample bottle 1, the other end of the sample inlet tube 2 can be arranged above the sample inlet 11 and located outside the sample bottle 1, the sample inlet tube 2 enters the sample bottle 1, the length of the sample bottle 1 can be 20-25cm, the sample inlet tube 2 can be arranged at the central axis position of the sample bottle 1, for example, the sample bottle 1 is coaxially arranged, and the diameter of the sample inlet tube 2 can be 1.5-2.5 cm.
As shown in fig. 1, the device may further include a sampling tube 4, the sampling tube 4 may be a rubber tube, such as a rubber hose, an outer diameter of the rubber tube may be 1.9-2.4cm, one end of the rubber tube may extend into the container of the solvent to extract the solvent, the other end of the rubber tube may be connected to an end of the sampling tube 2 located outside the sampling bottle 1, in an embodiment, a fastening member 200 may be further disposed on an outer wall of the sampling bottle 1, and the fastening member 200 may be configured to be fastened to the sampling tube 4, so as to place the sampling tube 4, and prevent contamination.
As shown in fig. 1, the device may further include a suction nozzle 5, the suction nozzle 5 may be located on an outer wall of the sampling bottle 1, the suction nozzle 5 may be in communication with the sampling bottle 1 and disposed near the sample inlet 11, in an embodiment, the suction nozzle 5 may further be connected to a tee pipe 6, a first port 61 of the tee pipe 6 may be connected to the suction nozzle 5, a second port 62 of the tee pipe 6 may be connected to a vacuum pump, a third port 63 of the tee pipe 6 may be in communication with the atmosphere, in an embodiment, a U-shaped buffer tube 300 may be further connected between the second port 62 of the tee pipe 6 and the vacuum pump, and the U-shaped buffer tube 300 may prevent a solvent from flowing backwards into the vacuum pump.
As shown in fig. 1, the apparatus may further include a first valve 7, the first valve 7 may be fixedly connected between the second port 62 and the vacuum pump, the first valve 7 may be used to control the communication between the vacuum pump and the interior of the sampling bottle 1, the apparatus may further include a second valve 8, the second valve 8 may be fixedly connected to a third port 63 of the three-way pipe 6, the second valve 8 may be used to control the communication between the sampling bottle 1 and the atmosphere, the apparatus may further include a third valve 9, the third valve 9 may be fixedly connected to the sample outlet pipe 3, and the solvent in the sampling bottle 1 may be released into the beaker or the reaction kettle.
As shown in fig. 1 to fig. 2, in order to facilitate the cleaning of the apparatus, the apparatus may further be provided with a cleaning assembly 100, the cleaning assembly 100 may include a cleaning nozzle 110 and a cleaning plate 120, the cleaning nozzle 110 may be disposed near the sample inlet 11, the cleaning plate 120 may be fixedly connected inside the sampling bottle 1 and located above the sample nozzle 5, the cleaning nozzle 110 may be connected to the cleaning reagent by a rubber tube, the cleaning plate 120 may have a porous structure, for example, a through hole 121 for the sample inlet 2 to pass through and a cleaning hole 122 for the cleaning reagent to pass through may be disposed in the middle of the cleaning plate 120, and the porous structure may facilitate the cleaning plate 120 to drop the cleaning reagent drop by drop, thereby saving the cleaning reagent even though the apparatus is sufficiently cleaned.
As shown in fig. 1 to 2, when the device of the present invention works, one end of the sampling tube 4 can be connected to the sample inlet tube 2, the other end of the sampling tube 4 extends into the container for holding the solvent, the sampling bottle 1 is integrally clamped on the iron stand, a beaker is placed under the sample outlet tube 3, the vacuum pump is connected to the U-shaped buffer tube 300, the first valve 7 is opened, the second valve 8 and the third valve 9 are closed, the vacuum pump is opened, sampling is started, the solvent enters the sample inlet tube 2 through the sampling tube 4 and enters the sampling bottle 1 as the vacuum degree in the sampling bottle 1 increases, after the solvent with the appropriate volume is pumped into the sampling bottle 1, the first valve 7 can be closed, the second valve 8 is opened to atmosphere, the vacuum degree in the sampling bottle 1 is decreased to better release the solvent, marking the volume scale value in the sampling bottle 1 at the moment, then opening the third valve 9, releasing the solvent in the sampling bottle 1 into the beaker, lowering the solvent in the sampling bottle 1 to the appropriate volume scale line according to the required amount of the solvent, and simultaneously closing the third valve 9.
As shown in fig. 1 to 2, when a second solvent needs to be extracted simultaneously, the device may be cleaned first, at this time, a rubber tube may be connected to the cleaning nozzle 110, the second valve 8 is closed, the first valve 7 is opened, a cleaning reagent is drawn into the sampling bottle 1, the inner wall of the sampling bottle 1 is washed through the porous cleaning plate 120 drop by drop, the sampling tube 2 may be washed by directly extending the sampling tube 4 into the cleaning solvent for vacuuming and washing, and after the washing is finished, the above steps may be repeated to rinse the device with the second solvent, and then the second solvent is extracted.
To sum up, the utility model discloses can be convenient to the sample of multiple chemical solvent, anti-pollution moreover, simple structure, convenient to use has improved work efficiency. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A chemical solvent sampling device, comprising:
the sampling bottle comprises a sample inlet and a sample outlet;
the sampling tube is fixedly connected to the sampling port of the sampling bottle, one end of the sampling tube is positioned outside the sampling bottle, and the other end of the sampling tube extends into the sampling port and the sampling bottle;
the sample outlet pipe is fixedly connected to the sample outlet;
one end of the sampling tube is connected with the container for containing the chemical solvent, and the other end of the sampling tube is connected with one end of the sampling tube positioned outside the sampling bottle;
the suction nozzle is positioned on the outer wall of the sampling bottle and is close to the sample inlet, and the suction nozzle is communicated with the sampling bottle; a first interface of the three-way pipe is connected with the pumping nozzle, a second interface of the three-way pipe is connected with a vacuum pump, and a third interface of the three-way pipe is connected with the atmosphere;
the first valve is fixedly connected to the second connector of the three-way pipe;
the second valve is fixedly connected to a third connector of the three-way pipe;
and the third valve is fixedly connected to the sample outlet pipe.
2. A chemical solvent sampling device as defined in claim 1, wherein: the sampling bottle is a cylinder at the upper end, the sphere is arranged at the lower end, the sample outlet is positioned at the bottom of the sphere, and the length of the sample outlet pipe is 3-6 cm.
3. A chemical solvent sampling device as defined in claim 2, wherein: the sampling tube and the sampling bottle are coaxially arranged.
4. A chemical solvent sampling device as defined in claim 2, wherein: the height of the cylinder is 30-40cm, and the diameter of the cylinder is 6-10 cm.
5. A chemical solvent sampling device as defined in claim 1, wherein: and a U-shaped buffer tube is also connected between the second interface of the three-way pipe and the vacuum pump.
6. A chemical solvent sampling device as defined in claim 1, wherein: the device is still including wasing the subassembly, it is including being close to wash the subassembly the introduction port sets up and is located the outside washing mouth of sample bottle, and the rigid coupling is in inside the sample bottle, and be located the introduction port with wash the board between the suction nozzle.
7. A chemical solvent sampling device as defined in claim 1, wherein: the length of the sampling tube entering the sampling bottle is 20-25 cm.
8. A chemical solvent sampling device as defined in claim 1, wherein: the outer surface of the sampling bottle is provided with volume scale marks.
9. A chemical solvent sampling device as defined in claim 6, wherein: the cleaning plate is of a porous structure.
10. A chemical solvent sampling device as defined in claim 1, wherein: the sampling tube is a rubber tube, and the outer diameter of the rubber tube is 1.9-2.4 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021042685.3U CN212206749U (en) | 2020-06-08 | 2020-06-08 | Chemical solvent sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021042685.3U CN212206749U (en) | 2020-06-08 | 2020-06-08 | Chemical solvent sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212206749U true CN212206749U (en) | 2020-12-22 |
Family
ID=73808912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021042685.3U Active CN212206749U (en) | 2020-06-08 | 2020-06-08 | Chemical solvent sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212206749U (en) |
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2020
- 2020-06-08 CN CN202021042685.3U patent/CN212206749U/en active Active
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