CN219608520U - Dimethyl carbonate sampling device - Google Patents
Dimethyl carbonate sampling device Download PDFInfo
- Publication number
- CN219608520U CN219608520U CN202320661134.2U CN202320661134U CN219608520U CN 219608520 U CN219608520 U CN 219608520U CN 202320661134 U CN202320661134 U CN 202320661134U CN 219608520 U CN219608520 U CN 219608520U
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- sampling
- cup
- dimethyl carbonate
- tube
- ball valve
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Abstract
The utility model relates to the field of sampling of dimethyl carbonate, in particular to a dimethyl carbonate sampling device, which comprises: a sampling cup; the cup cover is detachably connected to the sampling cup and is sealed with the sampling cup; the exhaust pipe is communicated with the upper half part of the sampling cup, and is provided with a gas one-way valve for evacuating the interior of the sampling cup; and one end of the sampling tube is communicated with the cup cover, the other end of the sampling tube is a sampling port, the position of the sampling port is lower than the bottom of the sampling cup, and the sampling tube is provided with a ball valve. Through carrying out the evacuation processing in the sampling cup to make dimethyl carbonate enter into the sampling cup through the sampling tube through controlling opening and closing of ball valve, thereby avoided the contact of sampling cup and dimethyl carbonate, make sampling personnel need not to clear up the outer wall of sampling cup, reduced the harm to sampling personnel health in the dimethyl carbonate sampling process.
Description
Technical Field
The utility model relates to the field of sampling of dimethyl carbonate, in particular to a dimethyl carbonate sampling device.
Background
Dimethyl carbonate, an organic compound, has a chemical formula of C 3 H 6 O 3 The organic acid-base polymer is a chemical raw material with low toxicity, excellent environmental protection performance and wide application range, is an important organic synthesis intermediate, has various reaction performances due to the fact that the molecular structure of the organic acid-base polymer contains carbonyl, methyl, methoxy and other functional groups, and has the characteristics of safety and convenience in use, less pollution, easiness in transportation and the like in production.
Dimethyl carbonate needs to be sampled in the production process, when the traditional cup is used for sampling the dimethyl carbonate, the dimethyl carbonate is easy to adhere to the outside of the cup, sampling personnel also need to clean the outside of the cup, and as the dimethyl carbonate is a low-toxicity chemical raw material, the dimethyl carbonate is easy to cause a certain tail number for the physical health of the sampling personnel.
Disclosure of Invention
In order to reduce the harm to the health of sampling personnel in the process of sampling the dimethyl carbonate, the utility model provides the dimethyl carbonate sampling device which performs vacuumizing treatment in the sampling cup and controls the opening and closing of the ball valve to enable the dimethyl carbonate to enter the sampling cup through the sampling tube, so that the contact between the sampling cup and the dimethyl carbonate is avoided, the sampling personnel do not need to clean the outer wall of the sampling cup, and the harm to the health of the sampling personnel in the process of sampling the dimethyl carbonate is reduced.
The utility model provides a dimethyl carbonate sampling device, which adopts the following technical scheme:
a dimethyl carbonate sampling device comprising:
a sampling cup;
the cup cover is detachably connected to the sampling cup and is sealed with the sampling cup;
the exhaust pipe is communicated with the upper half part of the sampling cup, and is provided with a gas one-way valve for evacuating the interior of the sampling cup; and
and one end of the sampling tube is communicated with the cup cover, the other end of the sampling tube is a sampling port, the position of the sampling port is lower than the bottom of the sampling cup, and the sampling tube is provided with a ball valve.
Preferably, the sampling tube is curved.
Preferably, the ball valve is located on one side of the sampling tube close to the sampling port.
Preferably, the cup cover is in threaded connection with the sampling cup.
Preferably, the cup cover is inserted into the sampling cup.
Preferably, the sampling device further comprises an air-adding device for adding air into the sampling cup through the air extraction pipe.
Preferably, the sampling tube is also provided with a flow valve, the flow valve is positioned between the ball valve and the cup cover, and the flow valve and the ball valve are all electric valves.
Preferably, the sampling device further comprises an extension bar, a connecting rod is fixed on the cup cover, and the extension bar is detachably connected with the connecting rod.
In summary, the utility model has the following beneficial technical effects:
1. according to the utility model, the sampling cup is vacuumized, and the dimethyl carbonate enters the sampling cup through the sampling tube by controlling the opening and closing of the ball valve, so that the contact between the sampling cup and the dimethyl carbonate is avoided, the outer wall of the sampling cup is not required to be cleaned by a sampling person, and the harm to the health of the sampling person in the process of sampling the dimethyl carbonate is reduced.
2. According to the utility model, by arranging the extension bar, a sampling person can sample the dimethyl carbonate at a longer distance.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Reference numerals illustrate: 11. a sampling cup; 12. a cup cover; 13. an exhaust pipe; 14. a gas check valve; 15. a sampling tube; 16. a ball valve; 17. an air extracting device; 18. a flow valve; 19. an extension bar; 20. and (5) connecting a rod.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a dimethyl carbonate sampling device.
The dimethyl carbonate sampling device comprises a sampling cup 11, a cup cover 12, an exhaust pipe 13, a gas one-way valve 14, a sampling pipe 15 and a ball valve 16.
The top of sampling cup 11 is the opening, and bowl cover 12 detachable connection is fixed in on the sampling cup 11 to cover the opening of sampling cup 11, form sealed space between bowl cover 12 and the sampling cup 11, concretely, bowl cover 12 accessible threaded connection or grafting or joint are fixed in on the sampling cup 11.
One end of the air extraction pipe 13 is fixedly connected with the side end of the sampling cup 11 and is communicated with the inside of the sampling cup 11, the other end of the air extraction pipe 13 is a free end, the air check valve 14 is arranged on the air extraction pipe 13, and the air check valve 14 only enables air to be extracted from the inside of the sampling cup 11 to the outside of the sampling cup 11.
One end of the sampling tube 15 is fixedly connected with the top of the cup cover 12 and is communicated with the inside of the sampling cup 11, the other end of the sampling tube 15 is a sampling port, and the position of the sampling port of the sampling tube 15 is lower than the bottom of the sampling cup 11. The sampling tube 15 is curved, the ball valve 16 is fixed on the sampling tube 15, and the ball valve 16 is positioned on one side of the sampling tube 15 close to the sampling port.
Further, the sampling device also comprises an air extracting device 17, and the air extracting device 17 can adopt an automatic negative pressure machine or an air extracting cylinder for manually extracting air. The air extraction end of the air extraction device 17 is connected with the free end of the air extraction tube 13, and the air extraction device 17 extracts the air in the sampling cup 11 through the air extraction tube 13 and the air check valve 14 on the air extraction tube 13 so that the air pressure in the sampling cup 11 is negative.
The sampling device further comprises a flow valve 18, the flow valve 18 is arranged on the sampling tube 15, the flow valve 18 is arranged between the ball valve 16 and the cup cover 12, and the flow valve 18 is used for controlling the speed of the dimethyl carbonate entering the sampling cup 11 through the sampling tube 15.
Specifically, the flow valve 18 and the ball valve 16 are all electric valves, the sampling device further comprises an extension rod 19 and a connecting rod 20, one end of the connecting rod 20 is fixed at the top of the cup cover 12, the other end of the connecting rod 20 is detachably connected with the extension rod 19, and specifically, the connecting rod 20 can be connected with the extension rod 19 through threads or inserted or clamped. In use, a worker can lengthen the sampling distance of the sampling cup 11 by lengthening the rod 19, and slowly flow dimethyl carbonate into the sampling cup 11 by controlling the opening and closing of the flow valve 18 and the ball valve 16.
When the device is used, firstly, the ball valve 16 and the flow valve 18 are closed, then, sampling staff adopts the exhaust pipe 13 to carry out vacuumizing treatment on the sampling cup 11, so that the air pressure in the sampling cup 11 is reduced, the sampling staff places a sampling port of the sampling pipe 15 in the dimethyl carbonate, and then, the sampling staff opens the ball valve 16 and adjusts the control flow of the flow valve 18, so that the dimethyl carbonate slowly and uniformly flows into the sampling cup 11.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. A dimethyl carbonate sampling device, comprising:
a sampling cup;
the cup cover is detachably connected to the sampling cup and is sealed with the sampling cup;
the exhaust pipe is communicated with the upper half part of the sampling cup, and is provided with a gas one-way valve for evacuating the interior of the sampling cup; and
and one end of the sampling tube is communicated with the cup cover, the other end of the sampling tube is a sampling port, the position of the sampling port is lower than the bottom of the sampling cup, and the sampling tube is provided with a ball valve.
2. The dimethyl carbonate sampling device of claim 1, wherein the sampling tube is curved.
3. The dimethyl carbonate sampling device of claim 1, wherein the ball valve is positioned on a side of the sampling tube adjacent the sampling port.
4. The dimethyl carbonate sampling device of claim 1, wherein the cap is threadably coupled to the sampling cup.
5. The dimethyl carbonate sampling device of claim 1, wherein the cup cover is inserted into the sampling cup.
6. A dimethyl carbonate sampling device according to claim 1, further comprising an air entrainment device for entraining air into the sampling cup via the air extraction tube.
7. The dimethyl carbonate sampling device according to any one of claims 1 to 6, wherein a flow valve is further arranged on the sampling tube, the flow valve is located between the ball valve and the cup cover, and the flow valve and the ball valve are both electric valves.
8. The dimethyl carbonate sampling device of claim 7, further comprising an extension bar, wherein the connecting rod is fixed to the cup cover, and wherein the extension bar is detachably connected to the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320661134.2U CN219608520U (en) | 2023-03-29 | 2023-03-29 | Dimethyl carbonate sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320661134.2U CN219608520U (en) | 2023-03-29 | 2023-03-29 | Dimethyl carbonate sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219608520U true CN219608520U (en) | 2023-08-29 |
Family
ID=87757379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320661134.2U Active CN219608520U (en) | 2023-03-29 | 2023-03-29 | Dimethyl carbonate sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219608520U (en) |
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2023
- 2023-03-29 CN CN202320661134.2U patent/CN219608520U/en active Active
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