Novel electronic chemical online sampling device

Abstract

A novel electronic chemical online sampling device comprises a packaging barrel, a sampling pipeline, a central sampling cabinet, an inflation pipe, a nitrogen inflator, an auxiliary exhaust pipe, an exhaust pump, a first electromagnetic valve and a second electromagnetic valve, the liquid end of the packaging barrel is connected with the sampling pipeline, one end of the sampling pipeline is connected with the central sampling cabinet, the packaging barrel is further connected with the inflation pipe, and the inflation pipe is connected with the nitrogen inflator. The online sampling device for the electronic chemicals is novel in structure and ingenious in conception, online closed sampling of the electronic chemicals can be achieved through the online sampling device for the electronic chemicals, and the online sampling device for the electronic chemicals is high in sampling efficiency, high in sampling precision and high in sampling efficiency. The situation that in a traditional sampling mode, a hose is directly inserted into an electronic chemical barrel, impurities are introduced, and consequently the test result is inaccurate is avoided to the maximum extent.

Description

Technical Field

[0001] This utility model relates to a sampling device, specifically a novel online sampling device for electronic chemicals. Background Technology

[0002] Currently, sampling of electronic chemical packaging containers is mainly done offline. This involves opening the gas port of the packaging container, inserting a PFA hose into the electronic chemical container inside the container, and using the siphon principle to draw the electronic chemicals into a sampling bottle. The chemicals in the sampling bottle are then injected into the testing machine for analysis.

[0003] The existing technology involves inserting a PFA tube into the electronic chemical container. The PFA tube is in direct contact with the air, and the siphon principle causes dust particles and other impurities in the air to stick to the tube and be carried into the packaging container, contaminating the finished product and leading to inaccurate test results. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, this utility model provides a novel online electronic chemical sampling device, which effectively solves the problem that the existing technology uses a PFA tube inserted into the electronic chemical container, where the PFA tube is in direct contact with the air. The siphon principle causes dust particles and other impurities in the air to stick to the tube and be carried into the packaging container, contaminating the finished product and leading to inaccurate test results.

[0005] To achieve the above objectives, the present invention provides the following technical solution: The present invention includes a packaging barrel, a sampling pipe, a central sampling cabinet, an inflation pipe, a nitrogen inflation machine, an auxiliary suction pipe, a suction pump, a first solenoid valve, and a second solenoid valve. The liquid end of the packaging barrel is connected to the sampling pipe, one end of the sampling pipe is connected to the central sampling cabinet, the packaging barrel is also connected to an inflation pipe, one end of the inflation pipe is connected to the nitrogen inflation machine, the inflation pipe is located to the left of the second solenoid valve and connected to the auxiliary suction pipe, and one end of the auxiliary suction pipe is equipped with a suction pump.

[0006] Preferably, a second solenoid valve is installed on the inflation pipe near the nitrogen inflator.

[0007] Preferably, the exhaust pipe of the air pump is connected to an exhaust gas collection tank.

[0008] Preferably, a first solenoid valve is installed on the auxiliary air extraction pipe near the air inflation pipe.

[0009] Preferably, the first solenoid valve and the second solenoid valve are electrically connected to an external control switch.

[0010] Preferably, the packaging barrel and the sampling pipe are connected using existing threaded connectors, and the inflation pipe is connected using existing threaded connectors.

[0011] Beneficial Effects: During sampling, the second solenoid valve is opened, and nitrogen is introduced into the packaging container via a nitrogen filler and filling pipe, increasing the pressure inside the container. Under this pressure, the chemicals inside the container enter the central sampling cabinet through the sampling pipe, completing the sampling operation. After sampling, the second solenoid valve is closed, and the first solenoid valve on the auxiliary extraction pipe is opened to start the extraction pump. The extraction pump removes the used waste gas from the packaging container, completing the sampling operation. This invention features a novel structure and ingenious design. Using an online electronic chemical sampling device, it achieves closed-loop online sampling of electronic chemicals, minimizing the risk of inaccurate test results caused by the introduction of impurities into the container, which is a problem with traditional sampling methods where the flexible tube is directly inserted into the container. Attached Figure Description

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] The following are the labels in the diagram: 1. Packaging barrel; 2. Sampling pipe; 3. Central sampling cabinet; 4. Gas filling pipe; 5. Nitrogen filling machine; 6. Auxiliary gas extraction pipe; 7. Gas extraction pump; 8. First solenoid valve; 9. Second solenoid valve. Detailed Implementation

[0015] The following is combined with Figure 1 The specific embodiments of this utility model will be described in further detail.

[0016] Example 1, by Figure 1 This utility model provides a novel online electronic chemical sampling device, comprising a packaging barrel 1, a sampling pipe 2, a central sampling cabinet 3, an inflation pipe 4, a nitrogen inflation machine 5, an auxiliary extraction pipe 6, an extraction pump 7, a first solenoid valve 8, and a second solenoid valve 9. The liquid end of the packaging barrel 1 is connected to the sampling pipe 2, and one end of the sampling pipe 2 is connected to the central sampling cabinet 3. The packaging barrel 1 is also connected to the inflation pipe 4, one end of which is connected to the nitrogen inflation machine 5. The inflation pipe 4 is located to the left of the second solenoid valve 9 and is connected to the auxiliary extraction pipe 6. One end of the auxiliary extraction pipe 6 is equipped with an extraction pump 7. The packaging barrel 1 is a 200L chemical packaging barrel.

[0017] A second solenoid valve 9 is installed near the nitrogen inflator 5 on the inflation pipe 4 to facilitate the control of the inflation pipe 4.

[0018] The exhaust pipe of the vacuum pump 7 is connected to an exhaust gas collection tank for easy collection of exhaust gas.

[0019] A first solenoid valve 8 is installed near the inflation pipe 4 in the auxiliary air extraction pipe 6 to facilitate the control of the auxiliary air extraction pipe 6.

[0020] The first solenoid valve 8 and the second solenoid valve 9 are electrically connected to an external control switch to facilitate the control of the first solenoid valve 8 and the second solenoid valve 9.

[0021] The packaging barrel 1 and the sampling pipe 2 are connected using existing threaded connectors, and the inflation pipe 4 is connected using existing threaded connectors, which facilitates the connection between the sampling pipe 2 and the inflation pipe 4.

[0022] Working principle: When sampling, the second solenoid valve 9 is opened, and nitrogen is filled into the packaging barrel 1 through the nitrogen filler 5 and the filling pipe 4, thereby increasing the pressure inside the packaging barrel 1. Under the action of pressure, the chemicals in the packaging barrel 1 enter the central sampling cabinet 3 through the sampling pipe 2, thus completing the sampling operation. After sampling, the second solenoid valve 9 is closed, the first solenoid valve 8 on the auxiliary extraction pipe 6 is opened, and the extraction pump 7 is started. The extraction pump 7 extracts the waste gas after use from the packaging barrel 1, thus completing the sampling operation.

[0023] Beneficial effects: This utility model has a novel structure and ingenious design. The use of online electronic chemical sampling equipment can realize online closed sampling of electronic chemicals, which avoids to the greatest extent the situation where impurities are introduced into the electronic chemical container due to the direct insertion of the tubing into the container in the traditional sampling method, resulting in inaccurate test results.

[0024] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires. Appropriate controllers and encoders should be selected according to the actual situation to meet control requirements. The specific connection and control sequence should refer to the working principle described below, where the electrical components are connected in sequence. The detailed connection methods are well-known in the art. The following mainly introduces the working principle and process, and will not describe the electrical control further.

[0025] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A novel online electronic chemical sampling device, comprising a packaging drum (1), a sampling pipe (2), a central sampling cabinet (3), an inflation pipe (4), a nitrogen inflation machine (5), an auxiliary extraction pipe (6), an extraction pump (7), a first solenoid valve (8), and a second solenoid valve (9), characterized in that: The liquid end of the packaging barrel (1) is connected to a sampling pipe (2), one end of which is connected to a central sampling cabinet (3). The packaging barrel (1) is also connected to an inflation pipe (4), one end of which is connected to a nitrogen inflation machine (5). The inflation pipe (4) is located to the left of the second solenoid valve (9) and is connected to an auxiliary suction pipe (6). One end of the auxiliary suction pipe (6) is equipped with a suction pump (7).

2. The novel online electronic chemical sampling device according to claim 1, characterized in that: A second solenoid valve (9) is installed on the inflation pipe (4) near the nitrogen inflation machine (5).

3. The novel online electronic chemical sampling device according to claim 1, characterized in that: The exhaust pipe of the air pump (7) is connected to a waste gas collection tank.

4. A novel online electronic chemical sampling device according to claim 2, characterized in that: The auxiliary air extraction pipe (6) is equipped with a first solenoid valve (8) near the air filling pipe (4).

5. A novel online electronic chemical sampling device according to claim 4, characterized in that: The first solenoid valve (8) and the second solenoid valve (9) are electrically connected to an external control switch.

6. The novel online electronic chemical sampling device according to claim 1, characterized in that: The packaging barrel (1) and the sampling pipe (2) are connected by existing threaded connectors, and the inflation pipe (4) is connected by existing threaded connectors.

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