Petrochemical engineering safe and environment-friendly gas sampling device

Abstract

The utility model discloses a safe and environment-friendly gas sampling device for petrochemical engineering, which belongs to the technical field of gas sampling and comprises an exhaust pipe and a branch pipe which are communicated with each other. A first sealing block is connected to the right end of the interior of the branch pipe in an attached mode, the first sealing block is connected with the output end of a first electric push rod, and the first electric push rod is arranged in the branch pipe. When sampling is needed, a first sealing block is driven by a first electric push rod to seal the branch pipe, then the sampling pipe abuts against the branch pipe, air between the first sealing block and a second sealing block can be extruded out, then the first sealing block moves leftwards, the second sealing block moves leftwards, and then the sampling pipe is driven by a second electric push rod to seal the branch pipe. The baffle and the second sealing block move rightwards through the second electric push rod, gas in the branch pipe can be exhausted again and then enters the left side of the baffle, at the moment, the second sealing block moves leftwards through the third electric push rod to seal the left side of the sampling pipe again, and the needed gas can be located between the second sealing block and the baffle.

Description

Technical Field

[0001] The utility model relates to the technical field of gas sampling, in particular to a petrochemical safety and environmentally friendly gas sampling device. Background Art

[0002] In petrochemical enterprises, raw materials such as natural gas and some highly polluting gases such as sulfur-containing waste gas are required in the production process. Direct emissions will have a great impact on the environment and require real-time monitoring and detection.

[0003] At present, the common detection method is to sample the gas directly in the pipeline and send the sampled gas to the detection. However, the existing technology is prone to mixing with other gases during sampling, resulting in inaccurate sampling results. For this reason, we propose a petrochemical safety and environmental protection gas sampling device. Utility Model Content

[0004] The purpose of the utility model is to provide a petrochemical safety and environmental protection gas sampling device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A petrochemical safety and environmental protection gas sampling device, comprising an exhaust pipe and a branch pipe, wherein the exhaust pipe is connected to the branch pipe;

[0006] The right end of the branch pipe is fitted with a sealing block 1, and the sealing block 1 is connected to the output end of the electric push rod 1, and the electric push rod 1 is arranged in the branch pipe;

[0007] The right end of the branch pipe is fitted and connected with a sampling tube, the left end inside the sampling tube is fitted and connected with a sealing block 2 in contact with a sealing block 1, the right end of the sealing block 2 is fitted and connected to a baffle, the baffle is fitted and connected to the inside of the sampling tube, the baffle is connected to the output end of an electric push rod 2, and the electric push rod 2 is arranged in the sampling tube, an electric push rod 3 is arranged on the baffle, and the output end of the electric push rod 3 passes through the baffle and is connected to the sealing block 2.

[0008] As a preferred solution of the petrochemical safety and environmental protection gas sampling device described in the utility model, the top of the sampling tube is threadedly connected with a sealing plug, and the bottom of the sealing plug is aligned with the top inner wall of the sampling tube.

[0009] As a preferred solution of the petrochemical safety and environmental protection gas sampling device described in the utility model, an anti-slip ring is arranged at the right end of the outer wall of the sampling tube.

[0010] As a preferred solution of the petrochemical safety and environmental protection gas sampling device described in the utility model, the left end of the sampling tube is evenly provided with positioning rods inserted into the branch pipe.

[0011] As a preferred solution of the petrochemical safety and environmental protection gas sampling device described in the utility model, wherein: a control button 1 is provided on the branch pipe, and a control button 2 is provided on the sampling pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Gas can be discharged through the exhaust pipe and the branch pipe. When sampling is required, first drive the sealing block 1 to seal the branch pipe through the electric push rod 1, and then put the sampling tube against the branch pipe to squeeze out the air between the sealing block 1 and the sealing block 2. Then move the sealing block 1 to the left, and move the baffle and the sealing block 2 to the right through the electric push rod 2, so that the gas in the branch pipe can be discharged again and then enter the left side of the baffle. At this time, move the sealing block 2 to the left through the electric push rod 3 to reseal the left side of the sampling tube, so that the required gas can be located between the sealing block 2 and the baffle, so that sampling is convenient and quick, and can avoid the mixing of other gases, resulting in inaccurate sampling results;

[0014] 2. By setting the positioning rod, it is convenient to connect the sampling tube with the branch pipe so that the sealing block 1 and the sealing block 2 are in contact;

[0015] 3. By setting a sealing plug, it is convenient to extract the required gas through the syringe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a petrochemical safety and environmental protection gas sampling device of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the assembly of the branch pipe and the sampling pipe described in the petrochemical safety and environmental protection gas sampling device of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of a petrochemical safety and environmental protection gas sampling device when gas enters the sampling tube of the utility model;

[0019] Figure 4 The utility model is a schematic structural diagram of a sampling tube sealed in a petrochemical safety and environmental protection gas sampling device.

[0020] In the figure: 1. exhaust pipe; 2. branch pipe; 3. sealing block 1; 4. electric push rod 1; 5. sampling tube; 6. sealing block 2; 7. baffle; 8. electric push rod 2; 9. electric push rod 3; 10. sealing plug; 11. anti-slip ring; 12. positioning rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] As mentioned in the background art, in view of the fact that other gases are easily mixed in the existing technology during sampling, resulting in inaccurate sampling results, the utility model provides a petrochemical safety and environmental protection gas sampling device.

[0023] Example 1

[0024] Reference Figures 1 to 4 , a petrochemical safety and environmental protection gas sampling device, comprising an exhaust pipe 1 and a branch pipe 2, the exhaust pipe 1 is connected with the branch pipe 2, and the gas can be discharged from the exhaust pipe 1 and the branch pipe 2;

[0025] The right end of the branch pipe 2 is fitted with a sealing block 3, and the sealing block 3 is connected to the output end of the electric push rod 4, and the electric push rod 4 is arranged in the branch pipe 2;

[0026] The right end of the branch pipe 2 is fitted and connected with the sampling tube 5, and the left end inside the sampling tube 5 is fitted and connected with the sealing block 2 6 in contact with the sealing block 1 3. The right end of the sealing block 2 6 is fitted and connected to the baffle 7, and the baffle 7 is fitted and connected to the inside of the sampling tube 5. The baffle 7 is connected to the output end of the electric push rod 2 8, and the electric push rod 2 8 is arranged in the sampling tube 5. The baffle 7 is provided with an electric push rod 3 9, and the output end of the electric push rod 3 9 passes through the baffle 7 and is connected to the sealing block 2 6.

[0027] When sampling is required, the electric push rod 4 drives the sealing block 3 to move to the right to seal the branch pipe 2. Figure 2 Then, the sampling tube 5 is pressed against the branch pipe 2, so that the air between the sealing block 1 3 and the sealing block 2 6 can be squeezed out, and then the sealing block 1 3 is moved to the left, and the baffle 7 and the sealing block 2 6 are moved to the right by the electric push rod 2 8, as shown in FIG. Figure 3 , the gas in the branch pipe 2 can be discharged again and then enter the left side of the baffle 7. At this time, the electric push rod 3 9 is used to move the sealing block 2 6 to the left to reseal the left side of the sampling tube 5. Figure 4 , the required gas can be located between the sealing block 2 6 and the baffle 7.

[0028] In order to facilitate the removal of the sampled gas, a sealing plug 10 is threadedly connected to the top of the sampling tube 5, and the bottom of the sealing plug 10 is aligned with the top inner wall of the sampling tube 5. The needle tip of the syringe penetrates the sealing plug 10 and enters the sampling tube 5 to extract the required gas. The sealing plug 10 is replaced after use to facilitate the next use.

[0029] In order to facilitate the use of the sampling tube 5 , an anti-slip ring 11 is provided at the right end of the outer wall of the sampling tube 5 for the convenience of the user to hold.

[0030] In order to facilitate the docking of the sampling tube 5 with the branch pipe 2 so that the sealing block 1 3 and the sealing block 2 6 are in contact, the left end of the sampling tube 5 is evenly provided with a positioning rod 12 inserted into the branch pipe 2.

[0031] Example 2

[0032] Reference Figure 1 and Figure 2 A control button 1 is provided on the branch pipe 2, and a control button 2 is provided on the sampling tube 5, so as to respectively control the electric push rod 1 4, the electric push rod 2 8 and the electric push rod 3 9, and the electrical components in the text are all powered by the existing technology.

[0033] The rest of the structure is the same as that of Example 1.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A petrochemical safety and environmental protection gas sampling device, characterized by: include, An exhaust pipe (1) and a branch pipe (2), wherein the exhaust pipe (1) is in communication with the branch pipe (2); The right end of the branch pipe (2) is fitted with a sealing block (3), and the sealing block (3) is connected to the output end of an electric push rod (4), and the electric push rod (4) is arranged in the branch pipe (2); The right end of the branch pipe (2) is fitted and connected to a sampling tube (5), the left end inside the sampling tube (5) is fitted and connected to a sealing block 2 (6) in contact with the sealing block 1 (3), the right end of the sealing block 2 (6) is fitted and connected to a baffle (7), the baffle (7) is fitted and connected to the inside of the sampling tube (5), the baffle (7) is connected to the output end of the electric push rod 2 (8), and the electric push rod 2 (8) is arranged in the sampling tube (5), the baffle (7) is provided with an electric push rod 3 (9), the output end of the electric push rod 3 (9) passes through the baffle (7) and is connected to the sealing block 2 (6).

2. A petrochemical safety and environmental protection gas sampling device according to claim 1, characterized in that: The top of the sampling tube (5) is threadedly connected with a sealing plug (10), and the bottom of the sealing plug (10) is aligned with the top inner wall of the sampling tube (5).

3. A petrochemical safety and environmental protection gas sampling device according to claim 1, characterized in that: An anti-slip ring (11) is provided at the right end of the outer wall of the sampling tube (5).

4. A petrochemical safety and environmental protection gas sampling device according to claim 1, characterized in that: The left end of the sampling tube (5) is evenly provided with a positioning rod (12) plugged into the branch tube (2).

5. A petrochemical safety and environmental protection gas sampling device according to claim 1, characterized in that: The branch pipe (2) is provided with a first control button, and the sampling pipe (5) is provided with a second control button.

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