Pumping structure for improving air plug problem

Abstract

The utility model relates to a pumping structure for improving an air lock problem. The pumping structure comprises a liquid outlet pipeline and a pump arranged on the liquid outlet pipeline, the liquid outlet pipeline is divided into an upstream section and a downstream section by the pump area, and the liquid outlet pipeline is provided with a liquid outlet located in the downstream section. The downstream section of the liquid outlet pipeline is connected with a manifold which is connected with a container. According to the utility model, through the arrangement of the manifold, the problem of air blockage generated when the pumping structure does not discharge liquid for a period of time is solved, and the container connected with the manifold can be a storage container which is independently arranged or positioned at the upstream section of the liquid outlet pipeline.

Description

Technical Field

[0001] The utility model relates to a pumping structure, especially a pumping structure that can improve the air plug problem. Background Art

[0002] When the pipeline has not been used for infusion for a period of time, the air plug problem is likely to occur. When the pipeline resumes infusion, the air plug problem will affect the stability of infusion. When the pipeline is used for the transportation of chemical liquids, although the air plug problem can be improved after continuous infusion for a period of time, at the initial stage of resuming infusion, the instability of infusion caused by the air plug poses a safety problem and urgently needs to be improved. Summary of the Utility Model

[0003] The main purpose of the utility model is to solve the air plug problem derived when the conventional pumping structure does not discharge liquid for a period of time.

[0004] To achieve the above purpose, the utility model provides a pumping structure for improving the air plug problem. The pumping structure includes a liquid outlet pipeline and a pump arranged on the liquid outlet pipeline. The liquid outlet pipeline is divided into an upstream section and a downstream section by the pump, and the liquid outlet pipeline has a liquid outlet located in the downstream section. A manifold is connected to the downstream section of the liquid outlet pipeline, and the manifold is connected to a container.

[0005] In one embodiment, the upstream section of the liquid outlet pipeline is connected to the container.

[0006] In one embodiment, the container is a waste liquid storage barrel of a chemical liquid supply system.

[0007] In one embodiment, the waste liquid storage barrel has a waste liquid inlet.

[0008] In one embodiment, a liquid level detector is arranged on the container.

[0009] In one embodiment, the diameter of the manifold is smaller than that of the downstream section of the liquid outlet pipeline.

[0010] In one embodiment, based on the installation posture, the container defines a top and a bottom, and the manifold is connected to the top of the container.

[0011] Through the foregoing implementation of the utility model, compared with the conventional one, it has the following characteristics:

[0012] The pumping structure of the utility model solves the air plug problem by connecting the manifold and the container on the downstream section of the liquid outlet pipeline, and thus can ensure that the stability of infusion will not be affected by the air plug at the beginning of resuming infusion of the pumping structure. The pumping structure of the utility model can reduce the occurrence of safety problems while increasing the stability of infusion through the foregoing structure. Description of the Drawings

[0013] Figure 1 , is a schematic structural diagram of an embodiment of the pumping structure of the present utility model;

[0014] Figure 2 , is a schematic structural diagram of another embodiment of the pumping structure of the present utility model;

[0015] Figure 3 , is a schematic partial structural diagram of an embodiment of the pumping structure of the present utility model.

[0016]

Symbol Explanation

[0017] 20: Pumping structure

[0018] 21: Liquid outlet pipeline

[0019] 211: Upstream section

[0020] 212: Downstream section

[0021] 213: Liquid outlet

[0022] 214: Valve

[0023] 22: Pump

[0024] 23: Manifold

[0025] 24: Container

[0026] 241: Liquid level detector

[0027] 242: Top

[0028] 243: Bottom

[0029] 30: Chemical liquid supply equipment

[0030] 31: Waste liquid acid pumping unit

[0031] 311: Waste liquid storage barrel

[0032] 312: Waste liquid inlet

[0033] 313: Waste liquid delivery pipe

[0034] 314: Component for detecting liquid level Detailed implementation method

[0035] The detailed description and technical content of the present utility model are described below in conjunction with the accompanying drawings:

[0036] In this document, the terms used in the description of each embodiment are for the purpose of describing specific examples only and are not intended to be limiting. Unless the context clearly indicates otherwise or deliberately limits the number of elements, the singular forms "a", "the" used herein may also include the plural forms. Further, when the terms "comprising" and / or "including" are used herein, they indicate the presence of the described features, elements, and / or components, but do not exclude the addition or presence of one or more other features, elements, components, and / or their groups. The indefinite article and the definite article shall include the plural and the singular unless the contrary is clearly seen from the context.

[0037] Please refer to Figure 1 , the present utility model provides a pumping structure 20 for improving the air plug problem. The pumping structure 20 can be used to discharge a liquid in a storage container, and the pumping structure 20 is controlled and not started for a long time. The pumping structure 20 referred to in the present utility model includes a liquid outlet pipeline 21 and a pump 22 provided on the liquid outlet pipeline 21. For specific illustration, based on the pump 22, the present utility model distinguishes that the liquid outlet pipeline 21 has an upstream section 211 and a downstream section 212, wherein the liquid outlet pipeline 21 has a liquid outlet 213 located in the downstream section 212. Further, the pumping structure 20 of the present utility model further includes a manifold 23 connected to the downstream section 212 of the liquid outlet pipeline 21, and a container 24 connected to the manifold 23. It should be understood that although the manifold 23 of the present utility model is connected to the liquid outlet pipeline 21, the main purpose of the manifold 23 is not to transport liquid, but to cooperate with the container 24 to solve the air plug problem generated in the downstream section 212 of the liquid outlet pipeline 21 when the liquid outlet is not implemented by the pumping structure 20 for a period of time. In the embodiment of this figure, the container 24 has nothing to do with the discharge of the liquid, and the container 24 can be described as a non-carrier. Please refer to Figure 2 and Figure 3 , in addition to the foregoing embodiments, the container 24 of the present utility model can also be implemented as the liquid source, that is, the upstream section 211 of the liquid outlet pipeline 21 is connected to the container 24. In Figure 2 and Figure 3 the embodiment, the container 24 is the carrier.

[0038] Please refer to again Figure 1 , the pumping structure 20 disclosed herein can be configured in a waste liquid acid pumping unit 31 in a chemical liquid supply device 30. The waste liquid acid pumping unit 31 includes a waste liquid storage barrel 311, and the waste liquid storage barrel 311 has a waste liquid inlet 312. The waste liquid inlet 312 is connected to a waste liquid delivery pipe 313 of the chemical liquid supply device 30. It should be understood that the waste liquid delivery pipe 313 is different from the liquid outlet pipeline 21 herein. The waste liquid delivery pipe 313 is an input for the waste liquid storage barrel 311, while the liquid outlet pipeline 21 is an output for the waste liquid storage barrel 311. InFigure 1 An embodiment, the container 24 is independent of the waste liquid storage barrel 311, and Figure 2 and Figure 3 in the disclosed embodiment, the container 24 can be implemented by the waste liquid storage barrel 311.

[0039] Please refer back to Figure 1 , in an embodiment, the manifold 23 does not restrict the entry of the liquid. To prevent the container 24 from being full and affecting the implementation of the surrounding equipment, a liquid level detector 241 is provided on the container 24. The liquid level detector 241 detects the liquid level in the container 24 to alert the user. Continuing from the above, when this embodiment is applied to Figure 2 the disclosed embodiment, the liquid level detector 241 can be implemented by a component (314) on the waste liquid storage barrel 311 for detecting the liquid level. Continuing from the previous, when the manifold 23 does not restrict the entry of the liquid, to prevent the manifold 23 from affecting the liquid discharge of the liquid discharge pipeline 21, in an embodiment, the diameter of the manifold 23 is smaller than the diameter of the downstream section 212 of the liquid discharge pipeline 21. Further, the diameter of the manifold 23 is preferably significantly smaller than the diameter of the downstream section 212 of the liquid discharge pipeline 21.

[0040] Please refer back to Figure 1 , in the present utility model, the container 24 can define a top 242 and a bottom 243 based on the installation state. Furthermore, the present utility model solves the air plug problem of the downstream section 212 of the liquid discharge pipeline 21 by means of the space in the container 24 where no liquid is stored. In an embodiment, the manifold 23 is connected to the top 242 of the container 24. If the liquid level detector 241 is provided on the container 24, the connection position of the manifold 23 to the container 24 needs to be at least higher than the detection position of the liquid level detector 241, that is, the connection position of the manifold 23 to the container 24 needs to be set above the allowable liquid level height of the container 24.

[0041] Please refer back to Figure 2 , in an embodiment, the liquid discharge pipeline 21 can have a valve 214 provided in the downstream section 212, and the valve 214 can cooperate with the pump 22 in implementation.

Claims

1. A pumping structure for improving the gas lock problem, comprising a liquid outlet pipeline and a pump disposed on the liquid outlet pipeline, wherein the liquid outlet pipeline is divided into an upstream section and a downstream section by the pump, and the liquid outlet pipeline has a liquid outlet located in the downstream section, characterized in that: The pumping structure includes a manifold connected to the downstream section of the liquid outlet pipeline, and a container connected to the manifold.

2. The pumping structure for improving the gas lock problem according to claim 1, characterized in that: The upstream section of the liquid outlet pipeline is connected to the container.

3. The pumping structure for improving the gas lock problem as claimed in claim 2, characterized in that: The container is a waste liquid storage barrel of a chemical liquid supply system.

4. The pumping structure for improving the gas lock problem as claimed in claim 3, characterized in that: The waste liquid storage barrel has a waste liquid inlet.

5. The pumping structure for improving the gas lock problem according to any one of claims 1 to 4, characterized in that: The container is provided with a liquid level detector.

6. The pumping structure for improving the gas lock problem as claimed in claim 5, characterized in that: The pipe diameter of the manifold is smaller than the pipe diameter of the downstream section of the liquid outlet pipeline.

7. The pumping structure for improving the gas lock problem according to claim 6, characterized in that: The container defines a top and a bottom based on the installation posture, and the manifold is connected to the top of the container.

8. The pumping structure for improving the gas lock problem according to any one of claims 1 to 4, characterized in that: The pipe diameter of the manifold is smaller than the pipe diameter of the downstream section of the liquid outlet pipeline.

9. The pumping structure for improving the gas lock problem according to any one of claims 1 to 4, characterized in that: The container defines a top and a bottom based on the installation posture, and the manifold is connected to the top of the container.

Images