A portable vacuum sampling device

Abstract

This utility model relates to the field of reaction vessel technology, specifically to a convenient vacuum sampling device, including a reaction vessel body and a lid. A sampling port is provided at the top of the lid, and a protective sleeve is vertically inserted into the sampling port. An extension tube is connected to the lower end of the protective sleeve via a quick-release clamp. A sampling tube is fitted inside the protective sleeve and the extension tube. The lower end of the sampling tube extends through the extension tube and into the reaction vessel body, while the upper end of the sampling tube extends out of the sampling port and is connected to a sampling pipe. A sampling pump is connected to the sampling pipe, and the outlet of the sampling pump is connected to a sampling bottle. This utility model effectively protects the sampling tube by installing it in the sampling port at the top of the lid and by using a protective sleeve and extension tube. The sampling process does not require stopping the machine or opening the lid, making the sampling operation safe, fast, and reliable.

Description

Technical Field

[0001] This utility model relates to the field of reaction vessel technology, specifically to a convenient vacuum sampling device. Background Technology

[0002] Reactors are widely used in petroleum, chemical, rubber, pesticide, dye, pharmaceutical, and food industries. Due to process requirements, when it is necessary to test the materials inside the reactor, the material to be tested must be extracted from the reactor before testing. This device is called a sampler. Currently, most chemical companies need to sample materials from reactors, generally using manual sampling or opening the manhole and using a suction pipe to directly extract the required sample from the reactor. However, there are some defects and safety hazards in the reactor sampling process: ① When extracting samples, the manhole at the top of the reactor needs to be opened, which is relatively complex. Simple sampling devices have requirements on sampling depth; if the reactor volume is large, a deep sampling depth makes it difficult to extract the sample; ② During the sampling process, the reactor manhole is open, and the medium inside the reactor comes into contact with air. If the medium in the reactor is toxic, harmful, corrosive, volatile, or reacts with air, the entire sampling process is dangerous and can cause injury to operators. Furthermore, the reaction between the medium inside the reactor and the air during sampling can lead to inaccurate sampling. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a convenient vacuum sampling device.

[0004] At least one embodiment of this utility model provides a convenient vacuum sampling device, including a reaction vessel and a lid. The top of the lid has a sampling port, and a protective sleeve is vertically inserted into the sampling port. The lower end of the protective sleeve is connected to an extension tube via a quick-release clamp. The lower section of the extension tube extends below the liquid level inside the reaction vessel. The protective sleeve and the extension tube are two detachable sections, which facilitates disassembly and replacement of the extension tube after long-term use. A sampling tube is fitted inside the protective sleeve and the extension tube. The lower end of the sampling tube passes through the extension tube and extends into the reaction vessel. The upper end of the sampling tube extends to a sampling port and is connected to a sampling pipe. A sampling pump is connected to the sampling pipe, and the outlet of the sampling pump is connected to a sampling bottle. This utility model installs the sampling tube inside the sampling port opened on the top of the can lid, and sets up a protective sleeve and an extended protective tube to effectively protect the sampling tube. The sampling process does not require stopping the machine or opening the lid. The sampling operation is closed, safe, fast and reliable.

[0005] In a convenient vacuum sampling device provided in one embodiment of this utility model, the inner sides of both the protective sleeve and the extended protective tube are filled with heat-insulating cotton, and the outer wall surfaces are coated with a heat-resistant coating. By setting the heat-insulating cotton and the heat-resistant coating, a good heat insulation effect can be achieved, preventing the high temperature inside the reaction vessel from damaging the sampling tube and effectively protecting the sampling tube.

[0006] In a convenient vacuum sampling device provided in one embodiment of this utility model, at least three sets of sealing gaskets are provided inside the lower end of the extended protective tube, and the sealing gaskets are tightly fitted with the sampling tube. By providing sealing gaskets, the gap between the extended protective tube and the sampling tube can be sealed, and multiple layers achieve a good sealing effect.

[0007] In a convenient vacuum sampling device provided in one embodiment of the present invention, the lower end of the sampling tube extends through an extended protective tube and is connected to a sampling head. The sampling head has a conical structure and four sets of radial sampling holes on its sidewall.

[0008] In a convenient vacuum sampling device provided in one embodiment of this utility model, a sealing assembly is provided at the sampling port. The sealing assembly includes a sealing liner and a sealing cap. The sealing liner is snapped into the sampling port, and the upper end of the protective sleeve is tightly fitted with the sealing liner. The sealing cap is fastened at the sampling port, and a through hole for the sampling tube to pass through is opened in the center of the sealing cap, with the through hole tightly fitted with the sampling tube. The sealing assembly uses a sealing liner and a sealing cap, achieving a secondary seal through a combination of internal and external sealing, thus achieving a good sealing effect.

[0009] In a convenient vacuum sampling device provided in one embodiment of this utility model, a first valve is connected between the sampling tube and the extraction pipe. The first valve is a three-way solenoid valve, and a flushing pipe is connected to the other end of the first valve. A third valve is connected to the flushing pipe. The other end of the flushing pipe is connected to a flushing liquid tank for cleaning the device.

[0010] In a convenient vacuum sampling device provided in one embodiment of this utility model, a second valve is connected to the sampling pipe, and the outlet of the sampling pump is connected to the sampling bottle. When the second valve is opened, the sample is pumped into the sampling bottle by the sampling pump.

[0011] In a convenient vacuum sampling device provided in one embodiment of this utility model, a drive motor is installed on the top of the can lid. The output end of the drive motor passes through the can lid and is connected to a rotating shaft. The lower end of the rotating shaft extends into the reaction vessel and is connected to a stirring rod. By driving the rotating shaft and stirring rod to rotate, the solution in the reaction vessel is thoroughly stirred to ensure uniform mixing.

[0012] The beneficial effects of this utility model are: by installing the sampling tube in the sampling port opened on the top of the can lid, and setting a protective sleeve and an extended protective tube to effectively protect the sampling tube, the sampling process does not require stopping the machine or opening the lid. The sampling operation is sealed, safe, fast and reliable. Attached Figure Description

[0013] The present invention will be further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention. For those skilled in the art, other drawings can be obtained based on the following drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of a convenient vacuum sampling device provided in an embodiment of the present invention.

[0015] Figure 2 for Figure 1 Enlarged view of a portion of point A in the middle.

[0016] Figure 3 for Figure 1 Enlarged view of section B in the middle.

[0017] The labels in the diagram represent: 1. Reactor body; 2. Tank cover; 201. Manhole; 3. Drive motor; 4. Rotary shaft; 5. Stirring rod; 6. Sampling port; 7. Sealing liner; 8. Sealing cap; 9. Protective sleeve; 901. Quick-release clamp; 902. Extended protective tube; 903. Insulation cotton; 10. Sampling tube; 101. Sampling head; 102. Sealing gasket; 11. First valve; 12. Sampling pipe; 13. Second valve; 14. Sampling pump; 15. Flushing pipe; 16. Third valve. Detailed Implementation

[0018] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0019] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0020] The following is a detailed description of a convenient vacuum sampling device provided by an embodiment of the present invention, with reference to the accompanying drawings.

[0021] This embodiment provides a convenient vacuum sampling device. Figure 1 This is a schematic diagram of the structure of a convenient vacuum sampling device provided in an embodiment of the present invention. Figure 2 for Figure 1 Enlarged view of a portion of point A in the middle. Figure 3 for Figure 1 A magnified view of a section at point B, as shown below. Figure 1 , Figure 2 ,and Figure 3 As shown, the sampling device includes a reaction vessel tank 1 and a tank cover 2. A sampling port 6 is provided on the top of the tank cover 2. A protective sleeve 9 is vertically inserted into the sampling port 6. The lower end of the protective sleeve 9 is connected to an extension tube 902 via a quick-release clamp 901. The lower part of the extension tube 902 extends below the liquid level inside the reaction vessel tank 1. The protective sleeve 9 and the extension tube 902 are two detachable structures, which facilitates the disassembly and replacement of the extension tube 902 after long-term use. A sampling tube 10 is fitted inside the protective sleeve 9 and the extension tube 902. The lower end of the sampling tube 10 passes through the extension tube 902 and extends into the reaction vessel tank 1. The upper end of the sampling tube 10 extends out of the sampling port 6 and is connected to a sampling pipe 12. A sampling pump 14 is connected to the sampling pipe 12, and the outlet of the sampling pump 14 is connected to a sampling bottle.

[0022] In existing sampling operations, the required sample is usually taken directly from the reactor by opening the manhole 201 at the top of the tank cover 2 and using a suction tube. However, this utility model installs the sampling tube 10 in the sampling port 6 opened at the top of the tank cover 2, and sets a protective sleeve 9 and an extended protective tube 902 to effectively protect the sampling tube 10. The sampling process does not require stopping the machine or opening the cover. The sampling operation is closed, safe, fast and reliable.

[0023] In a convenient vacuum sampling device provided in one embodiment of this utility model, such as Figure 3As shown, the inner sides of both the protective sleeve 9 and the extended protective tube 902 are filled with heat-insulating cotton 903, and the outer surfaces are coated with a heat-resistant coating. By setting the heat-insulating cotton 903 and the heat-resistant coating, a good heat insulation effect can be achieved, preventing the high temperature inside the reactor vessel 1 from damaging the sampling tube 10, and effectively protecting the sampling tube 10.

[0024] In a convenient vacuum sampling device provided in one embodiment of this utility model, such as Figure 3 As shown, at least three sets of sealing gaskets 102 are provided inside the lower port of the extended protective tube 902, and the sealing gaskets 102 are tightly fitted with the sampling tube 10. By providing sealing gaskets 102, the gap between the extended protective tube 902 and the sampling tube 10 can be sealed, and multiple layers can achieve a good sealing effect.

[0025] In a convenient vacuum sampling device provided in one embodiment of this utility model, such as Figure 3 As shown, the lower end of the sampling tube 10 extends through the extended protective tube 902 and is connected to a sampling head 101. The sampling head 101 has a conical structure and four sets of radial sampling holes on its sidewall.

[0026] In a convenient vacuum sampling device provided in one embodiment of this utility model, such as Figure 2 As shown, a sealing assembly is provided at the sampling port 6. The sealing assembly includes a sealing liner 7 and a sealing cap 8. The sealing liner 7 is snapped into the sampling port 6, and the upper end of the protective sleeve 9 is tightly fitted with the sealing liner 7. The sealing cap 8 is fastened at the port of the sampling port 6, and a through hole is opened in the center of the sealing cap 8 for the sampling tube 10 to pass through, which is tightly fitted with the sampling tube 10. The sealing assembly uses a sealing liner 7 and a sealing cap 8 to achieve a secondary seal through a combination of internal and external sealing, achieving a good sealing effect.

[0027] In a convenient vacuum sampling device provided in one embodiment of this utility model, such as Figure 1 As shown, a first valve 11 is connected between the sampling tube 10 and the sampling pipe 12. The first valve 11 is a three-way solenoid valve. Three-way solenoid valves are existing technology, and their structure and working principle will not be described in detail. The other end of the first valve 11 is connected to a flushing pipe 15, and a third valve 16 is connected to the flushing pipe 15. The other end of the flushing pipe 15 is connected to a flushing liquid tank, which facilitates cleaning of the sampling device after shutdown.

[0028] In a convenient vacuum sampling device provided in one embodiment of this utility model, such as Figure 1 As shown, a second valve 13 is connected to the sampling pipe 12, and the outlet of the sampling pump 14 is connected to the sampling bottle. When the second valve 13 is open, the sample is pumped into the sampling bottle by the sampling pump 14.

[0029] In a convenient vacuum sampling device provided in one embodiment of this utility model, such as Figure 1 As shown, a drive motor 3 is installed on the top of the tank cover 2. The output end of the drive motor 3 passes through the tank cover 2 and is connected to a rotating shaft 4. The lower end of the rotating shaft 4 extends into the reactor tank 1 and is connected to a stirring rod 5. The drive motor 3 drives the rotating shaft 4 and the stirring rod 5 to rotate, thereby fully stirring the solution in the reactor tank 1 and ensuring that the solution is mixed evenly.

[0030] During sampling, the first valve 11 and the second valve 13 are opened, the third valve 16 is closed, the sampling pump 14 is started, and the sample is extracted from the reactor through the sampling tube 10. The sampling process does not require stopping the machine or opening the lid. The sampling operation is closed, safe, fast and reliable. After the sampling is completed, the first valve 11 and the second valve 13 are closed.

[0031] The following points need to be explained: (1) The accompanying drawings of the embodiments of this disclosure only involve the structures involved in the embodiments of this disclosure. Other structures can be referred to the general design.

[0032] (2) Where there is no conflict, features of the same embodiment and different embodiments of this disclosure can be combined with each other.

[0033] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A portable vacuum sampling device, comprising: include: The reactor includes the reactor body (1) and the lid (2). The protective sleeve (9) is inserted into the sampling port (6) opened at the top of the can lid (2); The extended protective tube (902) is connected to the lower end of the protective sleeve (9) via a quick-release clamp (901); The sampling tube (10) is fitted inside the protective sleeve (9) and the extended protective tube (902), and the lower end of the sampling tube (10) extends out of the extended protective tube (902) and into the reactor body (1); The sampling pipe (12) is connected to the upper end of the sampling tube (10).

2. The portable vacuum sampling device of claim 1, wherein: The inner sides of the protective sleeve (9) and the extended protective tube (902) are filled with heat insulation cotton (903), and the outer wall surfaces are coated with a heat-resistant coating.

3. The portable vacuum sampling device of claim 1, wherein: At least three sets of sealing gaskets (102) are provided in the lower port of the extended protective tube (902), and the sealing gaskets (102) are tightly fitted with the sampling tube (10).

4. The portable vacuum sampling device of claim 1, wherein: The lower end of the sampling tube (10) extends through the extended protective tube (902) and is connected to a sampling head (101). The sampling head (101) has a conical structure and four sets of radial sampling holes on its sidewall.

5. The portable vacuum sampling device of claim 1, wherein: A sealing assembly is provided at the sampling port (6). The sealing assembly includes a sealing liner (7) and a sealing cap (8). The sealing liner (7) is snapped into the sampling port (6). The upper end of the protective sleeve (9) is tightly fitted with the sealing liner (7). The sealing cap (8) is fastened at the port of the sampling port (6). The sealing cap (8) has a through hole in the center for the sampling tube (10) to pass through. The through hole is tightly fitted with the sampling tube (10).

6. The portable vacuum sampling device of claim 1, wherein: A first valve (11) is connected between the sampling tube (10) and the sampling pipe (12). The first valve (11) is a three-way solenoid valve, and the other port of the first valve (11) is connected to a flushing pipe (15). A third valve (16) is connected to the flushing pipe (15).

7. The portable vacuum sampling device of claim 1, wherein: The sampling pipeline (12) is connected in sequence to a second valve (13) and a sampling pump (14), and the outlet of the sampling pump (14) is connected to the sampling bottle.

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