A sampling device for isolation of cyclohexanone production

Abstract

The utility model relates to cyclohexanone sampling device technical field, especially is isolated sampling device for cyclohexanone production, its characterized in that, the inlet end of sample liquid pipe is fixedly connected with the import of the bottom of storage tank, the inlet end of sample liquid pipe is fixedly connected with the import of the outlet end of sample liquid pipe, the inlet end of sampling connector is fixedly connected with the bottom of sample tube, the inlet end of sampling cup is threadedly connected with the outlet end of sampling connector, the coaxial thread connection of sample tube upper end has end cap, the lower end of vertical shift pole is coaxially nested with the sealing plug of sample tube inner wall sliding abutment, and the sealing plug is used for plugging the outlet end of sample liquid pipe, the upper end of vertical shift pole is coaxially fixedly connected with pull rod, the pull rod is fixedly connected with two about its axis symmetrical arrangement's guide rod, the end cap is fixedly connected with the guide sleeve of corresponding and sliding fit with guide rod, each guide rod is coaxially sleeved with return spring respectively, and each return spring's upper and lower ends are fixedly connected with pull rod and guide sleeve respectively.

Description

Technical Field

[0001] This utility model relates to the technical field of cyclohexanone sampling devices, and in particular to an isolation sampling device for cyclohexanone production. Background Technology

[0002] Cyclohexanone, with a six-membered ring and a carbonyl group in its molecular structure, has unique chemical properties and is widely used as a precursor in the synthesis of polymers such as caprolactam, adipic acid, nylon-6 and nylon-66. It is also a key intermediate in the synthesis of solvents, coatings, pharmaceuticals and pesticides.

[0003] In the production process of cyclohexanone, in order to ensure the quality of cyclohexanone products, it is necessary to conduct regular sampling and testing. However, traditional sampling tools are mostly unable to achieve isolated sampling, and cyclohexanone has a pungent odor, which inevitably causes operators to be disturbed by the pungent odor when sampling. At the same time, the pungent odor will diffuse into the surrounding environment, thus affecting the environment of the production workshop. In this regard, this application proposes an isolated sampling device for cyclohexanone production. Utility Model Content

[0004] To address the above situation and overcome the shortcomings of existing technologies, this utility model provides an isolation sampling device for cyclohexanone production. The technical solution it provides includes a storage tank. The tank's bottom is fixedly connected to the inlet end of a sample liquid tube, the outlet end of the sample liquid tube is fixedly connected to the inlet end of a discharge tube, the bottom of the discharge tube is fixedly connected to the inlet end of a sampling connector, the outlet end of the sampling connector is threadedly connected to the inlet end of a sampling cup, the upper end of the discharge tube is coaxially threadedly connected to an end cap, the end cap is coaxially slidably connected to a vertical moving rod, the lower end of the vertical moving rod is coaxially nested with a sealing plug that slides against the inner wall of the discharge tube, the sealing plug is used to seal the outlet end of the sample liquid tube, the upper end of the vertical moving rod is coaxially fixedly connected to a pull rod, the pull rod is fixedly connected to two guide rods symmetrically arranged about its axis, the end cap is fixedly connected to two guide sleeves corresponding to and slidingly engaged with the guide rods, and each guide rod is coaxially fitted with a return spring on its outer side, the upper and lower ends of each return spring being fixedly connected to the pull rod and the guide sleeve respectively.

[0005] Preferably, a pull ring is coaxially fixedly connected to the upper end of the pull rod.

[0006] Preferably, a limit stop is fixedly connected to the lower end of each of the guide rods.

[0007] Preferably, the end cap is coaxially provided with a through hole for the vertical moving rod to move.

[0008] Preferably, the inlet end of the sampling tube is integrally and coaxially formed with a threaded connector that mates with the threaded outlet end of the sampling tube.

[0009] The beneficial effects of this utility model are: In use, the sampling cylinder is detachably connected to the sampling connector via a threaded joint to achieve a fully sealed sampling process. It also allows for convenient delivery of cyclohexanone from the storage tank to the sampling cylinder through the sample liquid tube and the discharge tube, thus completing the sampling. The entire sampling process is sealed, thereby achieving isolated sampling and preventing the pungent odor of cyclohexanone from escaping during sampling. After sampling, the sampling cylinder is quickly disassembled, removed, sealed, and taken for testing. This application has a simple structure, is easy to use, and is highly practical. Attached Figure Description

[0010] Figure 1 This is a first-person perspective stereoscopic view of the present invention.

[0011] Figure 2 This is an enlarged view of region A in the first-person perspective stereoscopic view of this utility model.

[0012] Figure 3 This is a partial three-dimensional sectional view of the present invention from a second perspective.

[0013] Figure Labels 1. Storage tank, 2. Sample tube, 3. Sample discharge tube, 4. Sampling connector, 5. Sampling cylinder, 6. End cap, 7. Vertical moving rod, 8. Sealing plug, 9. Pull rod, 10. Guide rod, 11. Guide sleeve, 12. Return spring, 13. Pull ring, 14. Limiting plate, 15. Through hole, 16. Threaded connector. Detailed Implementation

[0014] The following is in conjunction with the appendix Figure 1-3 The specific embodiments of this utility model will be described in further detail.

[0015] In embodiment one, the technical solution is as follows: In use, storage tank 1 is used to store cyclohexanone during the production process. Sampling cylinder 5 is detachably connected to sampling connector 4 via threaded joint 16, facilitating a fully sealed sampling process. Cyclohexanone from storage tank 1 can be easily transported to sampling cylinder 5 through sample tube 2 and discharge tube 3, thus completing the sampling. The entire sampling process is sealed, achieving isolated sampling and preventing the pungent odor of cyclohexanone from escaping during sampling. After sampling, sampling cylinder 5 is quickly disassembled, removed, sealed, and taken for testing. This application has a simple structure, is easy to use, and is highly practical. Sampling cylinder 5 is made of transparent material, allowing for effective observation of the sample volume.

[0016] In Example 2, based on Example 1, specifically, in this application, the sampling cylinder 5 is threadedly connected to the sampling connector 4 via the threaded connector 16. Then, the pull rod 9 is pulled upward. To facilitate the pulling of the pull rod 9, a pull ring 13 is provided. By pulling the pull rod 9 upward through the pull ring 13, the vertical moving rod 7, along with the sealing plug 8, will move upward along the inner wall of the discharge tube 3. As a result, the sealing plug 8 will disengage from the outlet end of the sample liquid tube 2 due to its upward movement. Then, the cyclohexanone product in the storage tank 1 will enter the discharge tube 3 through the sample liquid tube 2, and then flow from the sampling connector 4 at the lower end of the discharge tube 3 to the sampling cylinder 5, thereby completing the sampling operation. The sampling is conducted in isolation throughout the process to prevent the pungent odor of cyclohexanone from escaping.

[0017] Under the constraint of the guide rod 10 and the guide sleeve 11, the pull rod 9 and the vertical moving rod 7 can only move vertically. During the upward movement of the pull rod 9, the guide rod 10 will also move upward along the guide sleeve 11, and the return spring 12 fixed between the pull rod 9 and the guide sleeve 11 will be stretched. As the lever moves upward, it drives the vertical moving rod 7 and the sealing plug 8 to move upward. During this process, the sealing plug 8 will no longer block the outlet end of the sample tube 2, and the sampling operation can be completed. After the sampling operation is completed, the pull rod 9 is released, and the return spring 12 will automatically retract, thereby driving the pull rod 9, the vertical moving rod 7 and the sealing plug 8 and other related components to move downward and reset, so that the sealing plug 8 blocks the outlet end of the sample tube 2 again.

[0018] In Embodiment 3, based on Embodiment 2, the end cap 6 of this application is detachably connected to the upper end of the layout tube 3 via a threaded connection, thereby facilitating the unscrewing of the end cap 6 to inspect components such as the sealing plug 8. The end cap 6 is also provided with a through hole 15 to facilitate the vertical movement of the vertical movement rod 7. A limit stop 14 is provided at the lower end of the guide rod 10, thereby preventing excessive upward movement of the lever due to excessive pulling.

Claims

1. A sampling isolation device for cyclohexanone production, comprising a storage tank (1), characterized in that, The bottom of the storage tank (1) is fixedly connected to the inlet end of the sample tube (2), the outlet end of the sample tube (2) is fixedly connected to the inlet end of the discharge tube (3), the bottom of the discharge tube (3) is fixedly connected to the inlet end of the sampling connector (4), the outlet end of the sampling connector (4) is threadedly connected to the inlet end of the sampling cylinder (5), the upper end of the discharge tube (3) is coaxially threadedly connected to the end cap (6), the end cap (6) is coaxially slidably connected to the vertical moving rod (7), and the lower end of the vertical moving rod (7) is coaxially nested with a seal that slides against the inner wall of the discharge tube (3). The plug (8) is used to seal the outlet end of the sample tube (2). The upper end of the vertical moving rod (7) is coaxially fixedly connected to the pull rod (9). The pull rod (9) is fixedly connected to two guide rods (10) arranged symmetrically about its axis. The end cap (6) is fixedly connected to two guide sleeves (11) that correspond one-to-one with the guide rods (10) and are slidably fitted. Each guide rod (10) is coaxially fitted with a return spring (12) on its outer side. The upper and lower ends of each return spring (12) are fixedly connected to the pull rod (9) and the guide sleeve (11) respectively.

2. The isolation sampling device for cyclohexanone production according to claim 1, characterized in that, A pull ring (13) is coaxially fixedly connected to the upper end of the pull rod (9).

3. The isolation sampling device for cyclohexanone production according to claim 1, characterized in that, Each of the guide rods (10) has a limit stop plate (14) fixedly connected to its lower end.

4. The isolation sampling device for cyclohexanone production according to claim 1, characterized in that, The end cap (6) is coaxially provided with a through hole (15) for the vertical moving rod (7) to move.

5. The isolation sampling device for cyclohexanone production according to claim 1, characterized in that, The inlet end of the sampling tube (5) is integrally and coaxially formed with a threaded connector (16) that is threaded to fit the outlet end of the sampling tube.

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