Liquid chromatograph waste liquid centralized treatment device

Abstract

The utility model relates to waste liquid treatment technical field, concretely is a kind of liquid chromatograph waste liquid centralized processing device, including collecting pipe and the collecting pipe of being connected on collecting pipe, fixedly connected with flow guide pipe on collecting pipe, the one end of flow guide pipe deviating from collecting pipe is fixedly connected with control valve, the both ends of control valve are fixedly connected with shunt pipe, the one end of shunt pipe deviating from control valve is connected with collecting bucket, and detachably connected with cover structure and liquid level detector on collecting bucket, cover structure includes the inner tube distributed in the inside of cover structure, fixedly connected with fixed link between cover structure and inner tube, the sealing end of collecting bucket is inserted between cover structure and inner tube, and abutting rubber ring is abutted on collecting bucket, and the abutting rubber ring is fixed on inner tube.The waste liquid processing device when practical use, collecting pipe can be received to the waste liquid generated by liquid chromatograph by collecting pipe, waste liquid after receiving can be collected to the inside of collecting bucket, avoid the waste liquid generated by liquid chromatograph to appear volatile leakage.

Description

Technical Field

[0001] This utility model relates to the field of waste liquid treatment technology, and more specifically to a centralized treatment device for waste liquid from a liquid chromatograph. Background Technology

[0002] Liquid chromatography is used frequently in laboratories, and many laboratories use a large number of liquid chromatographs. The installation locations of liquid chromatographs are relatively concentrated. Since the waste liquid of liquid chromatographs generally contains salt, water and organic phase, its waste liquid needs to be centrally treated, and it has a certain degree of volatility, so it needs to be sealed.

[0003] In existing laboratories, waste liquid bottles of 4L to 10L are generally used for storage. Without purchasing special anti-evaporation devices, the content of organic gases in the laboratory air is high, which affects the health of laboratory personnel. The collected waste liquid bottles often overflow due to replacement and usage issues, further affecting the safety of the laboratory.

[0004] Therefore, we propose a centralized treatment device for liquid chromatography waste liquid. Utility Model Content

[0005] One of the technical problems this application aims to solve is that the collected waste liquid bottles often overflow due to issues such as replacement and usage, which affects laboratory safety.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A centralized treatment device for liquid chromatograph waste liquid includes a collection pipe and a collection tube connected to the collection pipe. A guide tube is fixedly connected to the collection pipe. A control valve is fixedly connected to the end of the guide tube opposite to the collection pipe. Both ends of the control valve are fixedly connected to a diverter tube. A collection tank is connected to the end of the diverter tube opposite to the control valve. A cover structure and a liquid level detector are detachably connected to the collection tank.

[0008] In some embodiments, the cover structure includes an inner tube distributed inside the cover structure, and a fixing rod is fixedly connected between the cover structure and the inner tube.

[0009] In some embodiments, the sealing end of the collection tank is inserted between the cover structure and the inner tube, and an abutting rubber ring is abutted on the collection tank and fixed on the inner tube.

[0010] In some embodiments, the abutting rubber rings are evenly distributed on the inner tube, and the abutting rubber rings are elastic.

[0011] In some embodiments, abutment rings are distributed between the cover structure and the inner tube, and a spring is fixedly connected between the abutment rings and the fixing rod.

[0012] In some embodiments, the abutment ring and the cover structure and the inner tube are slidably connected, and the abutment ring can abut against the liquid collection tank.

[0013] In some embodiments, the upper end of the inner tube does not contact the cover structure, and the inner wall of the inner tube has a smooth structure.

[0014] As can be seen from the above technical solution, compared with the prior art, the present invention discloses a centralized treatment device for liquid chromatography waste liquid, which has the following beneficial effects:

[0015] 1. In actual use, the waste liquid treatment device can collect waste liquid generated by multiple liquid chromatographs through the collection pipe. The collected waste liquid can be centrally collected into the inside of the collection tank, which can avoid the phenomenon of evaporation and leakage of waste liquid generated by liquid chromatographs.

[0016] 2. In actual use, the control valve of this waste liquid treatment device can control the connection between the guide pipe and the diversion pipe, which can facilitate the flow of waste liquid inside the collection pipe to the collection tank, realize the rapid collection of waste liquid generated by the liquid chromatograph in the collection tank, and facilitate the replacement of the collection tank by the staff.

[0017] 3. In actual use, the air pressure inside the collection tank can drive the abutment ring to abut against the collection tank, which can prevent the waste liquid splashed inside the collection tank from flowing out through the gap between the inner tube and the cover structure, thus preventing the waste liquid inside the collection tank from leaking. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a cross-sectional view of the liquid collection tank and cover structure of this utility model;

[0021] Figure 3 This is a cross-sectional view of the connection between the inner tube and the cover structure in this utility model;

[0022] Figure 4 for Figure 2 An enlarged diagram of A in the diagram.

[0023] in:

[0024] 1. Liquid collecting pipe; 2. Collection pipe; 3. Guide pipe; 4. Control valve; 5. Diverter pipe; 6. Cover structure; 61. Inner pipe; 62. Spring component; 63. Abutment ring; 64. Fixing rod; 65. Abutment rubber ring; 7. Liquid collecting tank; 8. Liquid level detector. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1: Please refer to Figure 1-4 This utility model provides a technical solution:

[0027] A centralized treatment device for liquid chromatograph waste liquid includes a collection pipe 1 and a collection tube 2 connected to the collection pipe 1. A guide pipe 3 is fixedly connected to the collection pipe 1. A control valve 4 is fixedly connected to one end of the guide pipe 3 away from the collection pipe 1. A diverter pipe 5 is fixedly connected to both ends of the control valve 4. A collection tank 7 is connected to one end of the diverter pipe 5 away from the control valve 4. A cover structure 6 and a liquid level detector 8 are detachably connected to the collection tank 7.

[0028] In practical use, the collection tube 2 is connected to the discharge port of the liquid chromatograph, which allows the waste liquid discharged from the liquid chromatograph to be transported to the inside of the collection tube 1 through the collection tube 2. After the collection tube 1 collects the waste liquid discharged from the liquid chromatograph, it can be transported to the inside of the control valve 4 through the guide tube 3. When the control valve 4 is used under normal conditions, it can transport to the inside of one of the collection tanks 7 through one of the split tubes 5. At this time, the liquid level detector 8 on the collection tank 7 can detect the waste liquid content inside the collection tank 7 in real time. When the waste liquid content inside the collection tank 7 reaches the specified liquid level value, the liquid level detector 8 can transmit a signal to the control terminal of the control valve 4. At this time, the control terminal of the control valve 4 can operate the control valve 4, thereby enabling the waste liquid transported by the guide tube 3 to be transported to the other split tube 5 through the control valve 4, so that the split tube 5 can drive the waste liquid inside the collection tube 1 to be transported to the inside of the other collection tank 7, which is convenient for the staff to replace the collection tank 7 when it is full of waste liquid.

[0029] Example 2: Based on Example 1, this example proposes an optimized technical solution:

[0030] The cover structure 6 includes an inner tube 61 distributed inside the cover structure 6, and a fixing rod 64 is fixedly connected between the cover structure 6 and the inner tube 61.

[0031] The fixing rod 64 drives the inner tube 61 to be fixedly connected inside the cover structure 6. When the cover structure 6 drives the inner tube 61 to be sleeved on the receiving end of the liquid collection tank 7, the inner tube 61 and the cover structure 6 can protect the receiving end of the liquid collection tank 7.

[0032] The sealing end of the liquid collection tank 7 is inserted between the cover structure 6 and the inner tube 61. The liquid collection tank 7 is abutted by an abutting rubber ring 65, which is fixed to the inner tube 61.

[0033] The abutting rubber ring 65 abuts against the inner wall of the liquid collection tank 7, which can seal the gap between the inner tube 61 and the liquid collection tank 7, and prevent the waste liquid inside the liquid collection tank 7 from overflowing.

[0034] The abutment rubber rings 65 are evenly distributed on the inner tube 61, and the abutment rubber rings 65 are elastic.

[0035] An abutment ring 63 is distributed between the cover structure 6 and the inner tube 61, and a spring member 62 is fixedly connected between the abutment ring 63 and the fixing rod 64;

[0036] The abutment ring 63 is fixedly connected to the fixing rod 64 by the spring member 62, and the abutment ring 63 abuts against the cover structure 6 and the inner tube 61.

[0037] The abutment ring 63 is slidably connected to the cover structure 6 and the inner tube 61, and the abutment ring 63 can abut against the liquid collection tank 7;

[0038] When the contact ring 63 is in contact with the top of the collection tank 7, it can prevent the waste liquid inside the collection tank 7 from leaking into the outside air.

[0039] The upper end of the inner tube 61 does not contact the cover structure 6, and the inner wall of the inner tube 61 is a smooth structure.

[0040] Setting the inner wall of the inner tube 61 to a smooth structure can prevent the waste liquid generated by the liquid chromatograph from sticking to the inner wall of the inner tube 61, and at the same time can allow the gas inside the collection tank 7 to quickly pass through the inner tube 61.

[0041] In actual use, the diverter pipe 5 can transport the waste liquid collected by the collecting pipe 1 into the collecting tank 7. When the cover structure 6 and the inner tube 61 are fitted onto the collecting tank 7, the abutment ring 65 can abut against the collecting tank 7, preventing the waste liquid inside the collecting tank 7 from being discharged through the gap between the cover structure 6 and the inner tube 61. When the diverter pipe 5 injects the waste liquid discharged from the liquid chromatograph into the collecting tank 7, the air inside the collecting tank 7 will be compressed. At this time, the compressed air inside the collecting tank 7 will concentrate in area B in the inner cavity of the cover structure 6. Please refer to the attached instruction manual. Figure 4Region B in the inner cavity of the cover structure 6 is the upper space of the inner tube 61 and the fixing rod 64. When the compressed air inside the liquid collection tank 7 is concentrated in region B in the inner cavity of the cover structure 6, the compressed air will drive the abutment ring 63 to abut against the upper end of the liquid collection tank 7. This can achieve the sealing of the gap between the liquid collection tank 7, the inner tube 61, and the cover structure 6 by the abutment ring 63, and can prevent the waste liquid inside the liquid collection tank 7 from being discharged through the gap between the cover structure 6 and the inner tube 61. It should be noted that the liquid collection tank 7 is equipped with a pressure relief valve. When the pressure inside the liquid collection tank 7 is high, the air inside the liquid collection tank 7 will be discharged through the hydraulic valve. The discharge value of the hydraulic valve needs to ensure that the abutment ring 63 abuts against the liquid collection tank 7.

[0042] When the staff replaces the collection tank 7 filled with waste liquid, the upper end of the collection tank 7 will separate from the abutment ring 63. At this time, the external air pressure will enter the interior of the cover structure 6, and the abutment ring 63 will no longer be subjected to the air pressure inside the collection tank 7. At this time, the spring 62 will drive the abutment ring 63 to reset, which can facilitate the abutment ring 63 to continue to contact the collection tank 7 in the future.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0044] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0045] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A liquid chromatograph waste liquid centralized processing device, comprising a liquid collecting pipe (1) and a collecting pipe (2) connected to the liquid collecting pipe (1), characterized in that: A guide pipe (3) is fixedly connected to the liquid collection pipe (1). A control valve (4) is fixedly connected to one end of the guide pipe (3) away from the liquid collection pipe (1). A diversion pipe (5) is fixedly connected to both ends of the control valve (4). A liquid collection tank (7) is connected to one end of the diversion pipe (5) away from the control valve (4). A cover structure (6) and a liquid level detector (8) are detachably connected to the liquid collection tank (7).

2. The liquid chromatograph waste concentrating apparatus of claim 1, wherein: The cover structure (6) includes an inner tube (61) distributed inside the cover structure (6), and a fixing rod (64) is fixedly connected between the cover structure (6) and the inner tube (61).

3. The liquid chromatograph waste concentrating apparatus of claim 2, wherein: The sealing end of the liquid collection tank (7) is inserted between the cover structure (6) and the inner tube (61). The liquid collection tank (7) is abutted by an abutting rubber ring (65), which is fixed on the inner tube (61).

4. The liquid chromatograph waste concentrating apparatus of claim 3, wherein: The abutting rubber rings (65) are evenly distributed on the inner tube (61), and the abutting rubber rings (65) are elastic.

5. The liquid chromatograph waste concentrating apparatus as defined in claim 2, wherein: An abutment ring (63) is distributed between the cover structure (6) and the inner tube (61), and a spring element (62) is fixedly connected between the abutment ring (63) and the fixing rod (64).

6. The liquid chromatograph waste concentrating apparatus of claim 5, wherein: The abutment ring (63) is slidably connected to the cover structure (6) and the inner tube (61), and the abutment ring (63) can abut against the liquid collection tank (7).

7. The centralized treatment device for liquid chromatograph waste liquid according to claim 2, characterized in that: The upper end of the inner tube (61) does not contact the cover structure (6), and the inner wall of the inner tube (61) is a smooth structure.

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