Uniform gas collector suitable for interior of static gas tank

Abstract

The utility model provides a uniform gas collector suitable for the interior of a static gas tank, which belongs to the technical field of gas collection and is provided with a gas tank body, an extraction opening, a connecting pipe and a multi-point gas collecting mechanism. The air box body is of a hollow structure, the air extraction opening is formed in the side wall of the air box body, the connecting pipe is arranged in the air extraction opening, one end of the connecting pipe penetrates through the air extraction opening, the other end of the connecting pipe is arranged in the air box body, and the connecting pipe is fixedly connected with the side wall, making contact with the air extraction opening, of the air box body. The other end of the connecting pipe is connected with the multi-point gas collecting mechanism; the problem that the accuracy of an experimental result is influenced by uneven gas concentration at different time or different positions due to the fact that gas is collected by only one hard PE pipe in a traditional static gas box method can be solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas collection, and in particular relates to a uniform gas collector suitable for the interior of a static gas box. Background Art

[0002] The static gas chamber method is a technology used to collect and measure the emission of greenhouse gases (such as carbon dioxide, methane, etc.). This method is often used in agricultural, ecological and environmental research to evaluate the release of greenhouse gases from soil or plants. The principle of the static gas chamber method is to place a sealed gas chamber above a specific area to capture gases and monitor changes in their concentration. Changes in gas concentrations in the gas chamber can reflect the emission rate of greenhouse gases in the area. Through this method, greenhouse gas emissions can be better understood and managed to provide support for addressing climate change. The static gas chamber method is widely used in agricultural research to evaluate the impact of agricultural management measures such as fertilization and irrigation on greenhouse gas emissions. Ecological research: Study the carbon cycle and greenhouse gas emissions in different ecosystems (such as forests, grasslands, wetlands, etc.). Policymaking: Provide a scientific basis for greenhouse gas emission reduction policies.

[0003] The traditional static gas box method relies only on a rigid PE tube to collect gas, which can easily lead to uneven gas concentrations at different times or locations, affecting the accuracy of the experimental results. Utility Model Content

[0004] In view of this, the utility model provides a uniform gas collector suitable for the inside of a static gas box, which can solve the problem that the traditional static gas box method relies on only one hard PE tube to collect gas, which easily leads to uneven gas concentration at different times or different locations, affecting the accuracy of the experimental results.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a uniform gas collector suitable for the interior of a static gas box, which comprises an air box body, an air suction port, a connecting pipe, and a multi-point gas collection mechanism; the air box body is a hollow structure, the air suction port is opened on the side wall of the air box body, the connecting pipe is arranged inside the air suction port, one end of the connecting pipe passes through the air suction port, and the other end is arranged inside the air box body, the connecting pipe is fixedly connected to the side wall in contact with the air suction port; the other end of the connecting pipe is connected to the multi-point gas collection mechanism.

[0007] On the basis of the above technical solution, the uniform gas collector suitable for the interior of a static gas box of the present invention can also be improved as follows:

[0008] In which, the multi-point gas collection mechanism includes a connecting end, an upper left gas collection pipe, an upper right gas collection pipe, a lower left gas collection pipe and a lower right gas collection pipe; the connecting end is a square hollow structure, and openings are provided on the left and right sides of the upper wall and the lower wall of the gas box body, and the outer sides of the openings are respectively provided with the upper left gas collection pipe, the upper right gas collection pipe, the lower left gas collection pipe and the lower right gas collection pipe; a circular through hole is provided on the front wall of the connecting end, and the circular through hole is integrally connected to the other end of the connecting pipe.

[0009] Furthermore, the upper left gas collection pipe, the upper right gas collection pipe, the lower left gas collection pipe and the lower right gas collection pipe are all connected to the opening via connecting pipes.

[0010] Furthermore, the upper left gas collection pipe, the upper right gas collection pipe, the lower left gas collection pipe and the lower right gas collection pipe are hollow inside and open at both ends.

[0011] Furthermore, the upper left gas collection pipe, the upper right gas collection pipe, the lower left gas collection pipe and the lower right gas collection pipe are L-shaped structures.

[0012] Furthermore, the inner diameters of the upper left gas collection pipe, the upper right gas collection pipe, the lower left gas collection pipe and the lower right gas collection pipe are 2-3 mm.

[0013] Furthermore, the opening sizes of the upper wall and the lower wall of the air box body are adapted to the size of the connecting pipe.

[0014] Furthermore, the connecting pipe is vertically arranged to the upper left gas collecting pipe, the upper right gas collecting pipe, the lower left gas collecting pipe and the lower right gas collecting pipe.

[0015] Furthermore, the height of the multi-point gas collection mechanism is 2 / 3 of the internal height of the gas box body.

[0016] Furthermore, the connecting pipe is made of hard PE material.

[0017] Compared with the prior art, the beneficial effects of the uniform gas collector suitable for the inside of a static gas box provided by the utility model are: 1. Uniform gas collection: The design of the multi-point gas collection mechanism ensures the uniform distribution of gas inside the gas box, making the gas collection at each sampling point more consistent, avoiding sampling errors caused by uneven gas distribution inside the gas box.

[0018] 2. Improve measurement accuracy: By setting up multiple collection pipes, gas information can be captured more comprehensively, providing more accurate gas concentration data, thereby improving the measurement accuracy of greenhouse gas emission rates.

[0019] 3. Simplified operation process: After using this uniform gas collector, researchers no longer need to frequently adjust the gas box position, which can effectively reduce operational complexity and improve experimental efficiency. It can solve the problem of traditional static gas box method that relies on only a rigid PE tube to collect gas, which easily leads to uneven gas concentration at different times or locations, affecting the accuracy of experimental results. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0021] Figure 1 The figure is a schematic diagram of the overall structure of a uniform gas collector suitable for the interior of a static gas box;

[0022] Figure 2 This is a schematic diagram of the structure of a multi-point gas collection mechanism;

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] 1. Gas box body; 2. Air extraction port; 3. Connecting pipe; 4. Multi-point gas collection mechanism; 41. Connecting end; 42. Upper left gas collection pipe; 43. Upper right gas collection pipe; 44. Lower left gas collection pipe; 45. Lower right gas collection pipe. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0026] like Figure 1-2 As shown, it is a first embodiment of a uniform gas collector suitable for the interior of a static gas box provided by the utility model. In this embodiment, it has an air box body 1, an air suction port 2, a connecting pipe 3, and a multi-point gas collection mechanism 4; the air box body 1 is a hollow structure, and an air suction port 2 is opened on the side wall of the air box body 1, and a connecting pipe 3 is arranged inside the air suction port 2. One end of the connecting pipe 3 passes through the air suction port 2, and the other end is arranged inside the air box body 1, and the connecting pipe 3 is fixedly connected to the side wall in contact with the air suction port 2; the other end of the connecting pipe 3 is connected to the multi-point gas collection mechanism 4.

[0027] During use, place the gas box 1 in an appropriate location within the study area and ensure a good seal between the box and the ground. The circular through-hole on the front wall of the multi-point gas collection mechanism 4 connects to one end of the pipe 3, ensuring smooth gas extraction for analysis. After starting the device, allow gas to flow evenly through the multi-point gas collection mechanism within the gas box.

[0028] Among them, in the above technical scheme, the multi-point gas collection mechanism 4 includes a connecting end 41, an upper left gas collection pipe 42, an upper right gas collection pipe 43, a lower left gas collection pipe 44 and a lower right gas collection pipe 45; the connecting end 41 is a square hollow structure, and openings are provided on the left and right sides of the upper wall and the lower wall of the gas box body 1, and the outer sides of the openings are respectively provided with the upper left gas collection pipe 42, the upper right gas collection pipe 43, the lower left gas collection pipe 44 and the lower right gas collection pipe 45; a circular through hole is opened on the front wall of the connecting end 41, and the circular through hole is integrally connected to the other end of the connecting pipe 3.

[0029] Furthermore, in the above technical solution, the upper left gas collection pipe 42, the upper right gas collection pipe 43, the lower left gas collection pipe 44 and the lower right gas collection pipe 45 are all connected to the opening through connecting pipes.

[0030] Furthermore, in the above technical solution, the upper left gas collection pipe 42, the upper right gas collection pipe 43, the lower left gas collection pipe 44 and the lower right gas collection pipe 45 are hollow inside and open at both ends.

[0031] Furthermore, in the above technical solution, the upper left gas collection pipe 42, the upper right gas collection pipe 43, the lower left gas collection pipe 44 and the lower right gas collection pipe 45 are L-shaped structures.

[0032] Furthermore, in the above technical solution, the inner diameters of the upper left gas collection pipe 42 , the upper right gas collection pipe 43 , the lower left gas collection pipe 44 and the lower right gas collection pipe 45 are 2-3 mm.

[0033] Furthermore, in the above technical solution, the opening sizes of the upper wall and the lower wall of the air box body 1 are adapted to the size of the connecting pipe.

[0034] Furthermore, in the above technical solution, the connecting pipe is vertically arranged to the upper left gas collecting pipe 42 , the upper right gas collecting pipe 43 , the lower left gas collecting pipe 44 and the lower right gas collecting pipe 45 .

[0035] Furthermore, in the above technical solution, the height of the multi-point gas collection mechanism 4 is 2 / 3 of the internal height of the gas box body 1 .

[0036] Furthermore, in the above technical solution, the connecting pipe 3 is made of hard PE material.

[0037] Specifically, the principle of this utility model is to place the gas box body 1 in an appropriate location within the study area and ensure a good seal between the box body and the ground. A circular through-hole on the front wall of the multi-point gas collection mechanism 4 is connected to one end of the pipe 3, ensuring smooth gas extraction for analysis. After the device is activated, gas is evenly collected within the gas box by the multi-point gas collection mechanism.

Claims

1. A uniform gas collector suitable for use inside a static gas box, characterized in that: The invention comprises an air box body (1), an air extraction port (2), a connecting pipe (3), and a multi-point gas collection mechanism (4); the air box body (1) is a hollow structure, the air extraction port (2) is provided on the side wall of the air box body (1), the connecting pipe (3) is provided inside the air extraction port (2), one end of the connecting pipe (3) passes through the air extraction port (2), and the other end is provided inside the air box body (1), and the connecting pipe (3) is fixedly connected to the side wall in contact with the air extraction port (2); the other end of the connecting pipe (3) is connected to the multi-point gas collection mechanism (4), and the multi-point gas collection mechanism (4) includes a connecting pipe (3) and a connecting pipe (3). The connecting end (41) is a square hollow structure, and the upper wall and the left and right sides of the lower wall of the gas box body (1) are both provided with openings, and the outer sides of the openings are respectively provided with the upper left gas collection pipe (42), the upper right gas collection pipe (43), the lower left gas collection pipe (44) and the lower right gas collection pipe (45); a circular through hole is opened on the front wall of the connecting end (41), and the circular through hole is integrally connected with the other end of the connecting pipe (3).

2. A uniform gas collector suitable for use inside a static gas box according to claim 1, characterized in that: The upper left gas collection pipe (42), the upper right gas collection pipe (43), the lower left gas collection pipe (44) and the lower right gas collection pipe (45) are all connected to the opening via connecting pipes.

3. A uniform gas collector suitable for use inside a static gas box according to claim 2, characterized in that: The upper left gas collection pipe (42), the upper right gas collection pipe (43), the lower left gas collection pipe (44) and the lower right gas collection pipe (45) are hollow inside and open at both ends.

4. A uniform gas collector suitable for use inside a static gas box according to claim 3, characterized in that: The upper left gas collection pipe (42), the upper right gas collection pipe (43), the lower left gas collection pipe (44) and the lower right gas collection pipe (45) are L-shaped structures.

5. A uniform gas collector suitable for use inside a static gas box according to claim 4, characterized in that: The inner diameters of the upper left gas collection pipe (42), the upper right gas collection pipe (43), the lower left gas collection pipe (44) and the lower right gas collection pipe (45) are 2-3 mm.

6. A uniform gas collector suitable for use inside a static gas box according to claim 5, characterized in that: The opening sizes of the upper wall and the lower wall of the air box body (1) are adapted to the size of the connecting pipe.

7. A uniform gas collector suitable for use inside a static gas box according to claim 6, characterized in that: The connecting pipe is arranged perpendicularly to the upper left gas collecting pipe (42), the upper right gas collecting pipe (43), the lower left gas collecting pipe (44) and the lower right gas collecting pipe (45).

8. A uniform gas collector suitable for use inside a static gas box according to claim 7, characterized in that: The height of the multi-point gas collection mechanism (4) is 2 / 3 of the internal height of the gas box body (1).

9. A uniform gas collector suitable for use inside a static gas box according to claim 8, characterized in that: The connecting pipe (3) is made of hard PE material.

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