CN219319844U - Reaction kettle sampling device - Google Patents
Reaction kettle sampling device Download PDFInfo
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- CN219319844U CN219319844U CN202223571038.3U CN202223571038U CN219319844U CN 219319844 U CN219319844 U CN 219319844U CN 202223571038 U CN202223571038 U CN 202223571038U CN 219319844 U CN219319844 U CN 219319844U
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Abstract
The utility model discloses a reaction kettle sampling device which comprises a vacuum adsorption component, a storage box, a sampling tube and a nitrogen component, wherein the storage box is arranged on the vacuum adsorption component; the vacuum adsorption component is communicated with the storage box, the storage box is communicated with the sampling tube, and the sampling tube is communicated with the inner cavity of the reaction kettle; the body of the sampling tube is provided with a discharging tube, and the discharging tube is provided with a discharging valve; the sampling pipe is provided with a sampling valve below the discharging pipe; the nitrogen component comprises a nitrogen source, a nitrogen pipeline and a nitrogen supplementing pipeline, wherein the nitrogen source is communicated with the storage box through the nitrogen pipeline, and the nitrogen pipeline is provided with a first nitrogen valve; the nitrogen source is communicated with the reaction kettle through a nitrogen supplementing pipeline, and the nitrogen supplementing pipeline is provided with a second nitrogen valve. When the sample flows out, the nitrogen gas source inputs nitrogen into the reaction kettle through the nitrogen supplementing pipeline, so that the pressure in the reaction kettle can be kept unchanged, the phenomenon that the sample in the reaction kettle is unstable and decomposed due to the fact that the pressure is reduced is avoided, the smoothness of the sample flowing out is improved, and the sample can flow into the storage box conveniently.
Description
Technical Field
The utility model relates to the technical field of chemical reaction devices, in particular to a reaction kettle sampling device.
Background
The reaction kettle is a container for physical or chemical reaction, and realizes the functions of heating, evaporating, cooling and low-speed and high-speed mixing required by the process. The reaction kettle is widely applied to the fields of petroleum, chemical industry, rubber, pesticides, dyes, medicines, foods and the like. In order to monitor the condition of the sample in the reaction kettle, a small amount of sample in the reaction kettle is taken out by utilizing the sampling device to perform an assay so as to obtain the reaction effect. At present, the existing sampling device generally takes out a sample in the reaction kettle in a suction mode, in the extraction process, the pressure in the reaction kettle is reduced, the stability or the reaction effect of substances in the reaction kettle is easily affected, and the liquid in the reaction kettle needs to be extracted with higher extraction power.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide a reaction kettle sampling device which solves the technical problems that the pressure in a reaction kettle is reduced in the process of sample extraction, the stability or the reaction effect of substances in the reaction kettle is easily affected, and the liquid in the reaction kettle needs to be extracted with higher extraction power.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model discloses a reaction kettle sampling device which comprises a vacuum adsorption component, a storage box, a sampling tube and a nitrogen component, wherein the storage box is arranged on the vacuum adsorption component; the vacuum adsorption component is communicated with the storage box, the storage box is communicated with the sampling tube, and the sampling tube is communicated with the inner cavity of the reaction kettle; the body of the sampling tube is provided with a discharging tube, and the discharging tube is provided with a discharging valve; the sampling pipe is provided with a sampling valve below the discharging pipe;
the nitrogen component comprises a nitrogen source, a nitrogen pipeline and a nitrogen supplementing pipeline, wherein the nitrogen source is communicated with the storage box through the nitrogen pipeline, and the nitrogen pipeline is provided with a first nitrogen valve; the nitrogen source is communicated with the top cover of the reaction kettle through the nitrogen supplementing pipeline, and the nitrogen supplementing pipeline is provided with a second nitrogen valve.
As an alternative embodiment, the nitrogen component further includes a reflux collecting tank and a reflux pipe, the reflux collecting tank is connected to the nitrogen supplementing pipe through the reflux pipe, a connection point of the reflux pipe and the nitrogen supplementing pipe is located at a position downstream of the second nitrogen valve, and the reflux pipe is provided with a reflux valve.
As an alternative embodiment, the sampling tube is provided with a plurality of sampling connectors for connecting the inner cavity of the reaction kettle below the sampling valve, and each sampling connector is provided with a feeding valve respectively.
As an alternative embodiment, the storage box comprises a glass cylinder, and an air pipe joint connected with the vacuum adsorption component is arranged at the top of the glass cylinder; the bottom of the glass cylinder is provided with a metal pipe joint in threaded fit with the sampling pipe.
As an alternative embodiment, the glass cylinder is provided with graduations.
As an alternative embodiment, the vacuum adsorption assembly includes a vacuum generator, a negative pressure pipe, and a first connector, wherein a negative pressure end of the vacuum generator is connected to one end of the negative pressure pipe, the other end of the negative pressure pipe is connected to the first connector, and the first connector is connected to the air pipe connector.
As an alternative embodiment, a second connector is provided at the end of the nitrogen pipe connected to the storage box, and the second connector is connected to the air pipe connector.
As an alternative embodiment, the end portion of the nitrogen supplementing pipe connected with the reaction kettle is provided with a connecting flange.
As an alternative embodiment, the nitrogen supplementing pipe is provided with a flowmeter.
The technical scheme provided by the utility model can comprise the following beneficial effects:
in a specific application, the first nitrogen valve and the discharging valve are closed, and the second nitrogen valve and the sampling valve are opened during sampling. And negative pressure is provided by the vacuum adsorption component, so that samples in the reaction kettle flow into the storage box along the sampling pipe, and the samples in the reaction kettle are taken out. When the sample flows out, the nitrogen gas source inputs nitrogen gas into the reaction kettle through the nitrogen supplementing pipeline, so that the pressure in the reaction kettle can be kept unchanged, the phenomenon that the sample in the reaction kettle is unstable and decomposed due to the fact that the pressure is reduced is avoided, the smoothness of the sample flowing out is improved, and the sample can flow into the storage box conveniently.
After taking out a certain amount of samples to the storage box, closing the second nitrogen valve, the sampling valve and the vacuum adsorption component, opening the first nitrogen valve and the discharging valve, and introducing nitrogen into the storage box through a nitrogen source so as to flow out the samples in the storage box from the discharging pipe, thereby realizing the taking out of the samples. When redundant samples exist in the storage box, the discharging valve is closed, the first nitrogen valve and the sampling valve are opened, nitrogen is introduced into the storage box through the nitrogen source, so that the samples in the storage box flow back to the reaction kettle from the sampling tube, and the waste of residual liquid is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of one embodiment of the present utility model;
FIG. 2 is a schematic diagram of another embodiment of the present utility model;
FIG. 3 is a schematic illustration of a connection to a reaction vessel in one embodiment of the utility model.
In the accompanying drawings: 100-vacuum adsorption assembly, 110-vacuum generator, 120-negative pressure pipeline, 130-first connector, 200-storage box, 210-glass cylinder, 211-scale, 220-air pipe connector, 230-metal pipe connector, 300-sampling pipe, 310-discharging pipe, 311-discharging valve, 320-sampling valve, 330-sampling connector, 331-feeding valve, 400-nitrogen assembly, 410-nitrogen source, 420-nitrogen pipeline, 421-first nitrogen valve, 422-second connector, 430-nitrogen supplementing pipeline, 431-second nitrogen valve, 432-flowmeter, 440-reflux collecting box, 450-reflux pipeline, 451-reflux valve, 500-reaction kettle.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a reaction kettle sampling device, which comprises a vacuum adsorption assembly 100, a storage box 200, a sampling tube 300 and a nitrogen assembly 400.
The vacuum adsorption unit 100 is connected to the storage box 200, the storage box 200 is connected to the sampling tube 300, and the sampling tube 300 is connected to the inner cavity of the reaction vessel 500; the body of the sampling tube 300 is provided with a discharge tube 310, and the discharge tube 310 is provided with a discharge valve 311; the sampling tube 300 is provided with a sampling valve 320 below the discharging tube 310;
the nitrogen assembly 400 includes a nitrogen source 410, a nitrogen pipe 420, and a nitrogen supplementing pipe 430, wherein the nitrogen source 410 is connected to the storage box 200 through the nitrogen pipe 420, and the nitrogen pipe 420 is provided with a first nitrogen valve 421; the nitrogen source 410 is connected to the top cover of the reaction vessel 500 through the nitrogen supplementing pipe 430, and the nitrogen supplementing pipe 430 is provided with a second nitrogen valve 431.
In a specific application, during sampling, the first nitrogen valve 421 and the discharge valve 311 are closed, and the second nitrogen valve 431 and the sampling valve 320 are opened. The sample in the reaction kettle 500 flows into the storage box 200 along the sampling tube 300 by providing negative pressure through the vacuum adsorption assembly 100, so that the sample in the reaction kettle 500 is taken out. When the sample flows out, the nitrogen gas source 410 inputs nitrogen gas into the reaction kettle 500 through the nitrogen gas supplementing pipeline 430, so that the pressure in the reaction kettle 500 can be kept unchanged, the phenomenon that the sample in the reaction kettle 500 is unstable and decomposed due to the reduced pressure is avoided, the smoothness of the sample flowing out is improved, and the sample can flow into the storage box 200 conveniently.
After taking out a certain amount of the sample to the storage box 200, the second nitrogen valve, the sampling valve 320 and the vacuum adsorption assembly 100 are closed, the first nitrogen valve 421 and the discharging valve 311 are opened, and nitrogen is introduced into the storage box 200 through the nitrogen source 410, so that the sample in the storage box 200 flows out from the discharging pipe 310, and the sample is taken out. When the storage box 200 stores the redundant sample, the discharging valve 311 is closed, the first nitrogen valve 421 and the sampling valve 320 are opened, and nitrogen is introduced into the storage box 200 through the nitrogen source 410, so that the sample in the storage box 200 flows back to the reaction kettle 500 from the sampling tube 300, and the waste of the residual liquid is avoided.
Optionally, as shown in fig. 2, the nitrogen assembly 400 further includes a reflux collecting tank 440 and a reflux pipe 450, the reflux collecting tank 440 is connected to the nitrogen supplementing pipe 430 through the reflux pipe 450, a connection point of the reflux pipe 450 and the nitrogen supplementing pipe 430 is located downstream of the second nitrogen valve 431, and the reflux pipe 450 is provided with a reflux valve 451.
In this embodiment, when the sample in the storage box 200 flows back into the reaction kettle 500 from the sampling tube 300, the reflux valve 451 may be opened, and the gas in the reaction kettle 500 may flow into the reflux valve 451 along the nitrogen supplementing pipe 430 and the reflux pipe 450, so that the reflux collecting box 440 may collect the gas in the reaction kettle 500, so as to facilitate the constant gas pressure in the reaction kettle 500.
Optionally, as shown in fig. 3, a plurality of sampling connectors 330 for connecting with the inner cavity of the reaction kettle 500 are disposed below the sampling valve 320 in the sampling tube 300, and each sampling connector 330 is provided with a feeding valve 331. Specifically, in the present embodiment, the sampling connectors 330 are arranged from top to bottom, so as to facilitate the collection of samples at different heights of the reaction kettle 500.
Optionally, the storage box 200 includes a glass cylinder 210, and an air pipe joint 220 connected with the vacuum adsorption assembly 100 is provided at the top of the glass cylinder 210; the bottom of the glass tube 210 is provided with a metal tube joint 230 screw-engaged with the sampling tube 300.
Optionally, the glass cylinder 210 is provided with a scale 211. The scale 211 is used to identify the sample volume. Thus, the sampler is convenient to know the volume of the taken sample.
Optionally, the vacuum adsorption assembly 100 includes a vacuum generator 110, a negative pressure pipe 120, and a first connector 130, wherein a negative pressure end of the vacuum generator 110 is connected to one end of the negative pressure pipe 120, the other end of the negative pressure pipe 120 is connected to the first connector 130, and the first connector 130 is connected to the air pipe connector 220. Thus, the vacuum adsorption assembly 100 is connected with the storage box 200, and the effect that the vacuum adsorption assembly 100 provides negative pressure for the storage box 200 is achieved, so that the sample in the reaction kettle 500 flows into the storage box 200. Preferably, the negative pressure pipe 120 is provided with a negative pressure valve.
Optionally, a second connector 422 is provided at an end of the nitrogen pipe 420 connected to the storage box 200, and the second connector 422 is connected to the air pipe connector 220.
Optionally, a connection flange is provided at the end of the nitrogen supplementing pipe 430 connected to the reaction vessel 500. By arranging the connecting flange at the end part of the second nitrogen supplementing pipeline 430 connected with the reaction kettle 500, the end part of the second nitrogen supplementing pipeline 430 is convenient to be tightly connected with the top cover of the reaction kettle 500.
Optionally, the nitrogen make-up line 430 is provided with a flow meter 432. By providing the flow meter 432 in the second nitrogen replenishment pipe 430, it is convenient for the sampler to know how much nitrogen is replenished into the reaction kettle 500 from the second nitrogen replenishment pipe 430.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (9)
1. A reaction kettle sampling device is characterized in that: comprises a vacuum adsorption component, a storage box, a sampling tube and a nitrogen component;
the vacuum adsorption component is communicated with the storage box, the storage box is communicated with the sampling tube, and the sampling tube is communicated with the inner cavity of the reaction kettle; the body of the sampling tube is provided with a discharging tube, and the discharging tube is provided with a discharging valve; the sampling pipe is provided with a sampling valve below the discharging pipe;
the nitrogen component comprises a nitrogen source, a nitrogen pipeline and a nitrogen supplementing pipeline, wherein the nitrogen source is communicated with the storage box through the nitrogen pipeline, and the nitrogen pipeline is provided with a first nitrogen valve; the nitrogen source is communicated with the top cover of the reaction kettle through the nitrogen supplementing pipeline, and the nitrogen supplementing pipeline is provided with a second nitrogen valve.
2. The reactor sampling device of claim 1, wherein the nitrogen assembly further comprises a return collection tank and a return conduit, the return collection tank is connected to the nitrogen make-up conduit through the return conduit, a junction of the return conduit and the nitrogen make-up conduit is located downstream of the second nitrogen valve, and the return conduit is provided with a return valve.
3. The reaction kettle sampling device according to claim 1, wherein the sampling pipe is provided with a plurality of sampling connectors for connecting the inner cavity of the reaction kettle below the sampling valve, and each sampling connector is provided with a feeding valve respectively.
4. The reaction kettle sampling device according to claim 1, wherein the storage box comprises a glass cylinder, and an air pipe joint connected with the vacuum adsorption component is arranged at the top of the glass cylinder; the bottom of the glass cylinder is provided with a metal pipe joint in threaded fit with the sampling pipe.
5. The reactor sampling device of claim 4, wherein the glass cylinder is provided with graduations.
6. The reaction kettle sampling device according to claim 4, wherein the vacuum adsorption assembly comprises a vacuum generator, a negative pressure pipeline and a first connector, wherein the negative pressure end of the vacuum generator is connected with one end of the negative pressure pipeline, the other end of the negative pressure pipeline is connected with the first connector, and the first connector is connected with the air pipe connector.
7. The reaction kettle sampling device according to claim 4, wherein a second connector is arranged at the end part of the nitrogen pipeline connected with the storage box, and the second connector is connected with the air pipe connector.
8. The reaction kettle sampling device as claimed in claim 1, wherein the end part of the nitrogen supplementing pipe connected with the reaction kettle is provided with a connecting flange.
9. The reactor sampling device of claim 1, wherein the nitrogen make-up conduit is provided with a flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223571038.3U CN219319844U (en) | 2022-12-30 | 2022-12-30 | Reaction kettle sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223571038.3U CN219319844U (en) | 2022-12-30 | 2022-12-30 | Reaction kettle sampling device |
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| Publication Number | Publication Date |
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| CN219319844U true CN219319844U (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223571038.3U Active CN219319844U (en) | 2022-12-30 | 2022-12-30 | Reaction kettle sampling device |
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| Country | Link |
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| CN (1) | CN219319844U (en) |
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- 2022-12-30 CN CN202223571038.3U patent/CN219319844U/en active Active
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