CN211800691U - Phosphorus oxychloride dropwise adding device - Google Patents
Phosphorus oxychloride dropwise adding device Download PDFInfo
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- CN211800691U CN211800691U CN201922272391.3U CN201922272391U CN211800691U CN 211800691 U CN211800691 U CN 211800691U CN 201922272391 U CN201922272391 U CN 201922272391U CN 211800691 U CN211800691 U CN 211800691U
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- phosphorus oxychloride
- dropwise add
- pipeline
- tank
- dripping
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Abstract
The utility model discloses a phosphorus oxychloride dropwise add device belongs to 2-acetyl pyrrole and makes technical field. The device includes storage tank, dropwise add jar and dropwise add control assembly, the top of dropwise add jar is passed through the pipeline and is connected with the storage tank, the position that is close to the dropwise add jar on the pipeline is equipped with quantitative suction subassembly, the bottom of dropwise add jar is equipped with the hose, dropwise add control assembly installs on the hose. The utility model discloses a controller predetermines the demand of phosphorus oxychloride to start the measuring pump with the phosphorus oxychloride pump sending of required volume to in the dropwise add jar, then start the peristaltic pump, make the phosphorus oxychloride in the dropwise add jar slowly, at the uniform velocity instil into in the reation kettle. And a check valve is arranged at one end of the pipeline far away from the dripping tank, so that phosphorus oxychloride in the pipeline is prevented from flowing back into the storage tank. The lower part of the dripping tank is of a structure with the shape and the size gradually reduced from top to bottom, which is beneficial to completely dripping the phosphorus oxychloride in the dripping tank.
Description
Technical Field
The utility model relates to a phosphorus oxychloride dropwise add device belongs to 2-acetyl pyrrole manufacture equipment technical field.
Background
During the production process of 2-acetyl pyrrole, dichloroethane, pyrrole and acetamide are added into a reaction kettle and stirred uniformly, and after the dichloroethane, the pyrrole and the acetamide are subjected to condensation reaction for a period of time, a certain amount of phosphorus oxychloride needs to be slowly and uniformly dripped into the reaction kettle. For example, chinese patent publication No. CN206810235U discloses an automatic phosphorus oxychloride filling device, which includes a raw material barrel filled with phosphorus oxychloride, a metering scale is disposed at the bottom of the raw material barrel, the raw material barrel is connected to a reaction zone through a pipeline, a metering pump is disposed on the pipeline, and the metering scale and the metering pump are connected to a PLC controller. The device is rational in infrastructure, by PLC automatic control, ensures accurate, corrosion resistant, the safety of system, can realize modified starch production cross-linking reaction's automatic control, reduces manual work. However, the device can not slowly and uniformly drop phosphorus oxychloride into the reaction kettle.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a phosphorus oxychloride dripping device.
The utility model discloses a following technical scheme can realize:
the utility model provides a phosphorus oxychloride dropwise add device, includes storage tank, dropwise add jar and dropwise add control assembly, the top of dropwise add jar is passed through the pipeline and is connected with the storage tank, the position that is close to dropwise add jar on the pipeline is equipped with quantitative suction subassembly, the bottom of dropwise add jar is equipped with the hose, dropwise add control assembly installs on the hose.
The pipeline is J-shaped or U-shaped.
And one end of the pipeline, which is far away from the dripping tank, extends into the storage tank.
And a check valve is arranged at one end of the pipeline far away from the dripping tank.
The quantitative suction component is a metering pump.
The dripping tank is a glass bottle tank, and scales are arranged on the glass bottle tank.
The lower part of the dripping tank is of a structure with the shape and the size gradually reduced from top to bottom.
The dropping control component is a peristaltic pump.
The phosphorus oxychloride dripping device further comprises a controller, and the controller is electrically connected with the quantitative suction component and the dripping control component.
The beneficial effects of the utility model reside in that: the required amount of phosphorus oxychloride is preset by the controller, a metering pump is started to pump the required amount of phosphorus oxychloride into the dropwise adding tank, and then the peristaltic pump is started to slowly and uniformly drop the phosphorus oxychloride into the reaction kettle. And a check valve is arranged at one end of the pipeline far away from the dripping tank, so that phosphorus oxychloride in the pipeline is prevented from flowing back into the storage tank. The lower part of the dripping tank is of a structure with the shape and the size gradually reduced from top to bottom, which is beneficial to completely dripping the phosphorus oxychloride in the dripping tank.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-storage tank, 2-check valve, 3-pipeline, 4-quantitative suction component, 5-dropping tank, 6-hose and 7-dropping control component.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in figure 1, a phosphorus oxychloride dropwise add device, including storage tank 1, dropwise add jar 5 and dropwise add control module 7, the top of dropwise add jar 5 is passed through pipeline 3 and is connected with storage tank 1, the ration suction subassembly 4 is installed to the position that is close to dropwise add jar 5 on pipeline 3, hose 6 is installed to the bottom of dropwise add jar 5, dropwise add control module 7 installs on hose 6. When in use, the quantitative suction component 4 is arranged on the vertical section of the pipeline 3, so that the phosphorus oxychloride in the pipeline 3 between the quantitative suction component 4 and the dripping tank 5 can automatically flow into the dripping tank 5 under the action of gravity.
The pipe 3 is J-shaped or U-shaped.
And one end of the pipeline 3, which is far away from the dripping tank 5, extends into the storage tank 1. The phosphorus oxychloride in the storage tank 1 can be conveniently pumped.
And a check valve 2 is arranged at one end of the pipeline 3 far away from the dripping tank 5. The phosphorus oxychloride in the pipeline 3 is prevented from flowing back into the storage tank 1.
The quantitative suction component 4 is a metering pump. The phosphorus oxychloride is quantitatively extracted by a metering pump.
The dripping tank 5 is a glass bottle tank, and scales are arranged on the glass bottle tank. The amount of the phosphorus oxychloride in the dripping tank 5 is convenient to observe.
The lower part of the dripping tank 5 is of a structure with the shape and the size gradually reduced from top to bottom. Which is helpful to ensure that the phosphorus oxychloride in the dripping tank 5 is completely dripped.
The dropping control component 7 is a peristaltic pump. The phosphorus oxychloride is slowly and uniformly dripped into the reaction kettle by a peristaltic pump.
The phosphorus oxychloride dripping device further comprises a controller, and the controller is electrically connected with the quantitative suction component 4 and the dripping control component 7. The automatic quantitative extraction of phosphorus oxychloride and the automatic dropping of phosphorus oxychloride are facilitated.
Specifically, dropwise add jar 5 passes through the support mounting to be fixed at reation kettle's top, and the one end of keeping away from dropwise add jar 5 on hose 6 stretches into in the reation kettle.
Phosphorus oxychloride dropwise add device, its theory of operation as follows:
according to the requirement, the required amount of phosphorus oxychloride is preset by the controller, the metering pump is started to pump the required amount of phosphorus oxychloride into the dropwise adding tank 5, and then the peristaltic pump is started to slowly and uniformly drop the phosphorus oxychloride in the dropwise adding tank 5 into the reaction kettle.
Claims (9)
1. The utility model provides a phosphorus oxychloride dropwise add device which characterized in that: including storage tank (1), dropwise add jar (5) and dropwise add control assembly (7), the top of dropwise add jar (5) is passed through pipeline (3) and is connected with storage tank (1), the position that is close to dropwise add jar (5) on pipeline (3) is equipped with quantitative suction subassembly (4), the bottom of dropwise add jar (5) is equipped with hose (6), install on hose (6) dropwise add control assembly (7).
2. The phosphorus oxychloride dropping device of claim 1, wherein: the pipeline (3) is J-shaped or U-shaped.
3. The phosphorus oxychloride dropping device of claim 1, wherein: and one end of the pipeline (3) far away from the dripping tank (5) extends into the storage tank (1).
4. The phosphorus oxychloride dropping device of claim 1, wherein: and a check valve (2) is arranged at one end of the pipeline (3) far away from the dripping tank (5).
5. The phosphorus oxychloride dropping device of claim 1, wherein: the quantitative suction component (4) is a metering pump.
6. The phosphorus oxychloride dropping device of claim 1, wherein: the dripping tank (5) is a glass bottle tank, and scales are arranged on the glass bottle tank.
7. The phosphorus oxychloride dropping device of claim 1, wherein: the lower part of the dripping tank (5) is of a structure with the shape and the size gradually reduced from top to bottom.
8. The phosphorus oxychloride dropping device of claim 1, wherein: the dropping control component (7) is a peristaltic pump.
9. The phosphorus oxychloride dropping device according to any one of claims 1 to 8, wherein: the phosphorus oxychloride dripping device further comprises a controller, and the controller is electrically connected with the quantitative suction component (4) and the dripping control component (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922272391.3U CN211800691U (en) | 2019-12-17 | 2019-12-17 | Phosphorus oxychloride dropwise adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922272391.3U CN211800691U (en) | 2019-12-17 | 2019-12-17 | Phosphorus oxychloride dropwise adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211800691U true CN211800691U (en) | 2020-10-30 |
Family
ID=73140678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922272391.3U Active CN211800691U (en) | 2019-12-17 | 2019-12-17 | Phosphorus oxychloride dropwise adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211800691U (en) |
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2019
- 2019-12-17 CN CN201922272391.3U patent/CN211800691U/en active Active
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