A pipeline gas concentration sampling mechanism

Abstract

The utility model discloses a kind of pipeline gas concentration sampling mechanism, the sampling mechanism aims at solving the technical problem that sample can be obtained only after sampling is completed under prior art by integral dismounting sampling bottle, sample leakage or secondary pollution is easily caused in process. Including pipeline and sampling bottle, the pipeline side wall is fixedly connected with docking pipe, the sampling bottle end portion is fixedly connected with connecting pipe, the connecting pipe is connected with docking pipe;The sampling bottle inner wall is fixedly connected with multiple baffle, the area between the baffle is sample storage area, the baffle side wall is all set with one-way air inlet component, the sampling bottle side wall between baffle is all installed with gas outlet connector, the utility model can independently take out the sample of each storage area without dismounting entire sampling bottle, not only avoid sample leakage, secondary pollution in sampling process, but also can realize a sampling bottle, multiple samples respectively detect, greatly improve the convenience of detection efficiency and data comparison.

Description

Technical Field

[0001] This utility model belongs to the field of gas sampling technology, specifically relating to a pipeline gas concentration sampling mechanism. Background Technology

[0002] In industrial production (such as chemical, gas, and energy) and pipeline transportation and distribution (such as natural gas, industrial exhaust gas, and specialty gases), accurate sampling and testing of gas concentration in pipelines is a core step in ensuring production safety, process compliance, and environmental compliance. Through sampling and analysis, the composition, impurity content, and concentration changes of gas in pipelines can be monitored in real time, preventing safety accidents (such as gas leak explosions) or process abnormalities (such as product defects caused by imbalances in the concentration of reactant gases) caused by gas leaks or excessive components.

[0003] Existing sampling devices lack an independent sample extraction channel. After sampling, the entire sampling bottle must be disassembled to obtain the sample, which can easily lead to sample leakage or secondary contamination. Furthermore, it is impossible to monitor the pressure status of each area inside the sampling bottle in real time. If the pressure is insufficient, the sample volume may be insufficient, requiring resampling and significantly reducing the detection efficiency.

[0004] Therefore, a pipeline gas concentration sampling mechanism was designed to overcome the aforementioned technical shortcomings. Utility Model Content

[0005] (1) Technical problems to be solved In view of the shortcomings of the prior art, the purpose of this utility model is to provide a pipeline gas concentration sampling mechanism. This sampling mechanism aims to solve the technical problem that the sampling bottle needs to be completely disassembled after sampling to obtain the sample, which is prone to sample leakage or secondary pollution during the process.

[0006] (2) Technical solution To solve the above-mentioned technical problems, this utility model provides a pipeline gas concentration sampling mechanism, including a pipeline and a sampling bottle. A connecting pipe is fixedly connected to the side wall of the pipeline, and a connecting pipe is fixedly connected to the end of the sampling bottle. The connecting pipe is connected to the connecting pipe. The sampling bottle has multiple partitions fixedly connected to its inner wall. The area between the partitions is a sample storage area. Each partition sidewall is provided with a one-way air inlet assembly. Each sampling bottle sidewall located between the partitions is equipped with an air outlet connector.

[0007] Furthermore, the connecting pipe and the butt pipe are connected by threads.

[0008] Furthermore, a valve is installed on the side wall of the connecting pipe.

[0009] Furthermore, the one-way air intake assembly includes an air intake hole on the bottom surface of the partition, a conical hole on the top surface of the air intake hole, a sealing plug inside the conical hole, and a spring fixedly connected between the sealing plug and the conical hole.

[0010] Furthermore, a sealing ring is fitted on the inner wall of the connecting pipe, and the end of the connecting pipe abuts against the sealing ring.

[0011] Furthermore, pressure gauges are installed on the sidewalls of the sampling bottles between the partitions.

[0012] (3) Beneficial effects Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes a design incorporating pipes, sampling bottles, partitions, and a one-way air intake assembly. The one-way air intake assembly on the partition allows gas to enter the sample storage area in only one direction, automatically closing in the opposite direction to completely prevent the backflow of collected samples into the pipes. Secondly, the pressure gauge displays the pressure status of each sample storage area in real time, facilitating operators' assessment of sampling adequacy. Furthermore, the exhaust connector can be opened individually, allowing samples from each storage area to be retrieved independently without disassembling the entire sampling bottle. This not only prevents sample leakage and secondary contamination during sampling but also enables the separate testing of multiple samples from a single sampling bottle, significantly improving testing efficiency and the convenience of data comparison. Attached Figure Description

[0013] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is a perspective view of the sampling bottle of this utility model in its placement state; Figure 4 This is a cross-sectional structural diagram showing the sampling bottle of this utility model in its placement state; Figure 5 This utility model Figure 2 Enlarged view of point A in the image; Figure 6 This utility model Figure 4 Enlarged view of point B in the image.

[0014] The labels in the attached diagram are as follows: 1. Pipe; 2. Connecting pipe; 3. Sampling bottle; 4. Partition; 5. Connecting pipe; 6. Air inlet; 7. Conical hole; 8. Spring; 9. Sealing plug; 10. Sealing ring; 11. Air outlet connector; 12. Pressure gauge; 13. Valve. Detailed Implementation

[0015] This specific embodiment is a pipeline gas concentration sampling mechanism, and its structural schematic diagram is shown below. Figures 1-6As shown, it includes a pipe 1 and a sampling bottle 3. A connecting pipe 2 is fixedly connected to the side wall of the pipe 1, and a connecting pipe 5 is fixedly connected to the end of the sampling bottle 3. The connecting pipe 5 is connected to the connecting pipe 2. Among them, the connecting pipe 2 and valve 13 can be reserved during the laying of pipeline 1 to facilitate later sampling, maintenance, pressure relief and other operations.

[0016] Multiple partitions 4 are fixedly connected to the inner wall of the sampling bottle 3. The area between the partitions 4 is the sample storage area. One-way air inlet components are provided on the side walls of the partitions 4. Air outlet connectors 11 are installed on the side walls of the sampling bottle 3 between the partitions 4.

[0017] like Figure 5 As shown, the connecting pipe 5 and the connecting pipe 2 are connected by a threaded connection. The threaded connection has high sealing performance and stability, and no other tools are needed during sampling to quickly connect the sampling bottle 3 to the pipe 1, thus achieving rapid gas sampling.

[0018] like Figure 1 and Figure 2 As shown, a valve 13 is installed on the side wall of the connecting pipe 2. The valve 13 can be a ball valve, butterfly valve, electric valve, or other types of valve 13, and the appropriate type of valve 13 is selected according to the medium being transported.

[0019] like Figure 6 As shown, the one-way air intake assembly includes an air intake hole 6 opened on the bottom surface of the partition plate 4, a conical hole 7 opened on the top surface of the air intake hole 6, a sealing plug 9 installed in the conical hole 7, and a spring 8 fixedly connected between the sealing plug 9 and the conical hole 7.

[0020] Specifically, the principle of the one-way air intake component is similar to that of the one-way valve. It only allows gas to enter from one direction and cannot be discharged in the opposite direction. The purpose of this design is that when the gas in the pipe 1 fills each sample storage area, the spring 8 can be used to drive the sealing plug 9 to block the conical hole 7, so that the sample cannot flow back.

[0021] like Figure 5 As shown, a sealing ring 10 is fitted to the inner wall of the connecting tube 2, and the end of the connecting tube 5 abuts against the sealing ring 10. The sealing ring 10 can further enhance the sealing performance of the sampling bottle 3 after docking.

[0022] like Figure 3 As shown, pressure gauges 12 are installed on the side walls of sampling bottles 3 between the partitions 4. The pressure gauges 12 can determine the gas pressure in each sample storage area during sampling and the amount of gas remaining in each sample storage area during discharge.

[0023] Working principle: During sampling, the sampling bottle 3 is first screwed into the connecting pipe 2 through the connecting pipe 5, so that the end face of the connecting pipe 5 abuts against the sealing ring 10. Then, the valve 13 is opened to allow the gas in the pipe 1 to enter the sampling bottle 3. Under the pressure of the gas in the pipe 1, the sealing plugs 9 all open upwards, and the gas enters the sample storage area between multiple partitions 4 in sequence. At the same time, the pressure value change of the pressure gauge 12 is observed. After sampling is completed, the valve 13 is closed, and the sealing plugs 9 on each partition 4 are reset by the spring 8, realizing multi-layer sampling in one bottle. When the gas is tested later, the gas in each layer can be discharged independently for testing directly through the gas outlet connector 11, which has high flexibility and practicality.

[0024] All technical features in this embodiment can be freely combined according to actual needs.

[0025] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A pipeline gas concentration sampling mechanism, comprising a pipeline (1) and a sampling bottle (3), characterized in that: The pipe (1) is fixedly connected to the side wall of the pipe (2), and the sampling bottle (3) is fixedly connected to the end of the pipe (5), and the connecting pipe (5) is connected to the pipe (2); The inner wall of the sampling bottle (3) is fixedly connected with multiple partitions (4). The side walls of the partitions (4) are provided with one-way air inlet components. The side walls of the sampling bottle (3) are each equipped with an air outlet connector (11) between the partitions (4).

2. The pipeline gas concentration sampling mechanism according to claim 1, characterized in that: The connecting pipe (5) and the butt pipe (2) are connected by threads.

3. The pipeline gas concentration sampling mechanism according to claim 1, characterized in that: A valve (13) is installed on the side wall of the connecting pipe (2).

4. The pipeline gas concentration sampling mechanism according to claim 1, characterized in that: The one-way air intake assembly includes an air intake hole (6) on the bottom surface of the partition (4), a conical hole (7) on the top surface of the air intake hole (6), a sealing plug (9) in the conical hole (7), and a spring (8) fixedly connected between the sealing plug (9) and the conical hole (7).

5. The pipeline gas concentration sampling mechanism according to claim 1, characterized in that: The inner wall of the connecting pipe (2) is fitted with a sealing ring (10), and the end of the connecting pipe (5) abuts against the sealing ring (10).

6. The pipeline gas concentration sampling mechanism according to claim 1, characterized in that: Pressure gauges (12) are installed on the side walls of the sampling bottles (3) between the partitions (4).

7. A pipeline gas concentration sampling mechanism according to claim 4, characterized in that: The sidewall of the air inlet (6) has an inclined structure.

8. A pipeline gas concentration sampling mechanism according to claim 1, characterized in that: The area between the partitions (4) is the sample storage area.

9. A pipeline gas concentration sampling mechanism according to claim 8, characterized in that: The sidewalls of the sample storage area are all coated with an anti-corrosion layer.

10. A pipeline gas concentration sampling mechanism according to claim 4, characterized in that: The sealing plug (9) has a conical truncated structure and abuts against the side wall of the conical hole (7).

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