Mud flat soil greenhouse gas collecting device

Abstract

The utility model relates to a beach soil greenhouse gas collecting device which comprises a gas collecting barrel and a plurality of split charging bottles, a placing belt is arranged on the gas collecting barrel, and a bag opening for containing the split charging bottles is arranged on the placing belt. When the beach soil greenhouse gas collecting device is used, the gas collecting barrel is placed on a beach for gas collection, after gas collection is completed, one split charging bottle is taken down, then the opening and closing device is opened, the push-pull rod is pushed to drive the sliding sealing block to stretch the elastic piece, and the elastic piece is separated from the gas collecting barrel. The air in the air collecting cavity is squeezed out through the sliding sealing block, then the opening and closing device is closed, the elastic piece does not rebound according to the air pressure principle, then the opening and closing device is in butt joint with an output port of the air collecting barrel, then the opening and closing device is opened, and the sliding sealing block is pulled through the elastic force of the elastic piece to exhaust air. Gas in the gas collection barrel automatically enters the gas collection cavity, so that stable collection can be realized, and the collected gas can be conveniently pumped out and subpackaged.

Description

Technical Field

[0001] The utility model belongs to the technical field of tidal flat soil greenhouse gas, and in particular relates to a tidal flat soil greenhouse gas collection device. Background Art

[0002] At present, the invention patent with the publication number CN101008592 discloses a water body and soil surface volatile gas sampling device and sampling method, which can collect volatile gases stably released in natural or artificial water bodies, bare soil, low vegetation and tidal wetlands. However, the gas collection device has many components and complicated connections, making it difficult to achieve rapid sampling. After sampling, the collected gas needs to be extracted and packaged for separate experiments, and it is also inconvenient to separate the collected gas. Utility Model Content

[0003] In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a tidal flat soil greenhouse gas collection device, which has a simple structure and can perform stable collection and is convenient for extracting and packaging the collected gas.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a tidal flat soil greenhouse gas collection device, including a gas collection barrel and a plurality of sub-bottles, the gas collection barrel is provided with a placement belt, the placement belt is provided with a bag opening for accommodating a plurality of sub-bottles, the gas collection barrel is provided with a docking tube docking with the sub-bottles, the sub-bottles include a bottle body, an opener, a sliding sealing block and an elastic member, a gas collecting chamber is provided in the bottle body, the opener is installed on the top of the bottle body and is connected to the gas collecting chamber, the sliding sealing block is sealingly and slidingly installed in the gas collecting chamber, one end of the elastic member is connected to the sliding sealing block, and the other end is connected to the bottom of the bottle body, the sliding sealing block is provided with a push-pull rod toward the bottom of the bottle body, and the push-pull rod slides through the bottom of the bottle body.

[0005] The opener and closeer comprises a rotating cover and a rubber tube, wherein the rotating cover is threadedly connected to the bottle body, one end of the rubber tube is connected to the rotating cover, and the other end of the rubber tube is connected to the bottle body and communicated with the gas collecting chamber.

[0006] An exhaust fan and a battery box are installed on the gas collection barrel. The exhaust fan is connected to the inside of the gas collection barrel. A sealing cover is threadedly connected to the exhaust fan. The battery box is electrically connected to the exhaust fan and a switch is provided on the battery box. A plurality of batteries are provided in the battery box.

[0007] The gas extraction barrel is provided with a rotary switch valve, and the rotary switch valve includes a fixed seat and a rotating seat. The fixed seat is fixedly installed on the gas extraction barrel, and the rotating seat is rotatably installed on the fixed seat. The fixed seat is provided with an air vent, and the rotating seat is provided with an air guide hole connected to the air vent. A first semicircular sealing block is provided in the air vent, and a second semicircular sealing block is provided in the air guide hole. The projection area of ​​the second semicircular sealing block overlaps with the projection area of ​​the first semicircular sealing block to form a perfect circle.

[0008] An anti-sinking plate is also installed on the gas collection barrel.

[0009] A heat-insulating layer is arranged inside the gas collection barrel.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The utility model discloses a tidal flat soil greenhouse gas collection device. When in use, a gas collection barrel is placed on the tidal flat to collect gas. After the gas collection is completed, a sub-filling bottle is taken out, and then an opener and a closeer are opened to drive a sliding sealing block to stretch an elastic member by pushing a push-pull rod, so that the air in a gas collecting chamber is squeezed out by the sliding sealing block, and then the opener and a closeer are closed, and the elastic member does not rebound by utilizing the air pressure principle, and then the opener and a closeer are connected with the output port of the gas collection barrel, and then the opener and a closeer are opened, and the sliding sealing block is pulled by the elastic force of the elastic member itself to extract gas, so that the gas in the gas collection barrel automatically enters the gas collecting chamber, so that stable collection can be achieved and the collected gas can be conveniently extracted and sub-packaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the collection device of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the utility model sub-packaging bottle;

[0014] Figure 3 It is a structural schematic diagram of the opening and closing device of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the rotary switch valve of the utility model.

[0016] Markings in the figure: 1. Gas collection barrel; 2. Dispensing bottle; 3. Placement belt; 4. Bottle body; 5. Opener and closer; 6. Sliding sealing block; 7. Elastic part; 8. Gas collecting chamber; 9. Push-pull rod; 10. Rotating cover; 11. Rubber duct; 12. Exhaust fan; 13. Battery box; 14. Rotating switch valve; 15. Fixed seat; 16. Rotating seat; 17. Vent; 18. Air guide hole; 19. First semicircular sealing block; 20. Second semicircular sealing block; 21. Anti-sinking plate. DETAILED DESCRIPTION

[0017] In order to make the above features and advantages of the present invention more obvious and understandable, embodiments are given below with reference to the accompanying drawings for detailed description as follows.

[0018] like Figure 1-Figure 4 As shown, this embodiment provides a tidal flat soil greenhouse gas collection device, including a gas collection barrel 1 and a plurality of sub-bottles 2, the gas collection barrel 1 is provided with a placement belt 3, the placement belt 3 is provided with a bag opening for accommodating a plurality of sub-bottles 2, the gas collection barrel 1 is provided with a docking tube docking with the sub-bottle 2, the sub-bottle 2 includes a bottle body 4, an opener 5, a sliding sealing block 6 and an elastic member 7, a gas collecting chamber 8 is provided in the bottle body 4, the opener 5 is installed on the top of the bottle body 4 and is connected to the gas collecting chamber 8, the sliding sealing block 6 is sealingly and slidably installed in the gas collecting chamber 8, one end of the elastic member 7 is connected to the sliding sealing block 6, and the other end is connected to the bottom of the bottle body 4, the sliding sealing block 6 is provided with a push-pull rod 9 toward the bottom of the bottle body 4, and the push-pull rod 9 slides through the bottom of the bottle body 4. Specifically, an exhaust fan 12 and a battery box 13 are installed on the gas collection barrel 1. The exhaust fan 12 is connected to the inside of the gas collection barrel 1. A sealing cover is threadedly connected to the exhaust fan 12. The battery box 13 is electrically connected to the exhaust fan 12. A switch is provided on the battery box 13. A plurality of batteries are provided in the battery box 13. The exhaust fan 12 is controlled by the switch on the battery box 13 to extract the gas on the tidal flat and collect it into the gas collection barrel 1. When in use, the gas collection barrel 1 is placed on the mudflat and gas is collected. After the gas collection is completed, a sub-filling bottle 2 is taken out, and then the opener and closeer 5 is opened to drive the sliding sealing block 6 to stretch the elastic member 7 by pushing the push-pull rod 9, so that the air in the gas collecting chamber 8 is squeezed out by the sliding sealing block 6, and then the opener and closeer 5 is closed. The elastic member 7 will not rebound by utilizing the air pressure principle, and then the opener and closeer 5 is connected to the output port of the gas collection barrel 1, and then the opener and closeer 5 is opened. The elastic force of the elastic member 7 itself pulls the sliding sealing block 6 to extract gas, so that the gas in the gas collection barrel 1 automatically enters the gas collecting chamber 8, so that stable collection can be achieved and the collected gas can be conveniently extracted and sub-packaged.

[0019] Further, the opener and closeer 5 includes a rotating cover 10 and a rubber tube 11, the rotating cover 10 is threadedly connected to the bottle body 4, one end of the rubber tube 11 is connected to the rotating cover 10, and the other end of the rubber tube 11 is connected to the bottle body 4 and communicated with the gas collecting chamber 8. When closing, the rotating cover 10 is rotated to match the thread on the bottle body 4, so that the rubber tube 11 is tightened to close the rubber, and when opening, the rotating cover 10 is reversely rotated to match the thread on the bottle body 4, and the tightened rubber tube 11 is loosened to open.

[0020] Furthermore, the gas extraction barrel 1 is provided with a rotary switch valve 14, which includes a fixed seat 15 and a rotating seat 16. The fixed seat 15 is fixedly installed on the gas extraction barrel 1, and the rotating seat 16 is rotatably installed on the fixed seat 15. The fixed seat 15 is provided with an air vent 17, and the rotating seat 16 is provided with an air guide hole 18 connected to the air vent 17. A first semicircular sealing block 19 is provided in the air vent 17, and a second semicircular sealing block 20 is provided in the air guide hole 18. The projection area of ​​the second semicircular sealing block 20 overlaps with the projection area of ​​the first semicircular sealing block 19 to form a perfect circle, that is, the second semicircular sealing block 20 blocks the gap between the first semicircular sealing block 19 and the air vent 17, and the first semicircular sealing block 19 blocks the gap between the air guide hole 18 and the second semicircular sealing block 20. Specifically, a docking tube connected to the air guide hole 18 is rotatably installed on the rotating seat 16. The second semicircular sealing block 20 is driven to rotate by rotating the rotating seat 16, thereby leaking out the gap between the first semicircular sealing block 19 and the vent hole 17 to form ventilation.

[0021] Furthermore, an anti-sinking plate 21 is installed on the gas extraction barrel 1 to prevent the gas extraction barrel 1 from sinking on the beach.

[0022] Furthermore, a heat preservation layer is provided in the gas collection barrel 1 to keep the collected gas warm.

[0023] The above shows and describes the basic principles and main features of the invention and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the invention, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

Claims

1. A device for collecting greenhouse gases from tidal flat soil, characterized in that: It includes a gas collection barrel and multiple sub-bottles, the gas collection barrel is provided with a placement belt, the placement belt is provided with a bag opening for accommodating multiple sub-bottles, the gas collection barrel is provided with a docking tube docking with the sub-bottles, the sub-bottles include a bottle body, an opener, a sliding sealing block and an elastic member, a gas collecting cavity is provided in the bottle body, the opener is installed on the top of the bottle body and is connected to the gas collecting cavity, the sliding sealing block is sealingly and slidably installed in the gas collecting cavity, one end of the elastic member is connected to the sliding sealing block, and the other end is connected to the bottom of the bottle body, the sliding sealing block is provided with a push-pull rod toward the bottom of the bottle body, and the push-pull rod is slidably arranged through the bottom of the bottle body.

2. The device for collecting greenhouse gases from tidal flat soil according to claim 1, characterized in that: The opener and closeer comprises a rotating cover and a rubber tube, wherein the rotating cover is threadedly connected to the bottle body, one end of the rubber tube is connected to the rotating cover, and the other end of the rubber tube is connected to the bottle body and communicated with the gas collecting chamber.

3. The device for collecting greenhouse gases from tidal flat soil according to claim 1, characterized in that: An exhaust fan and a battery box are installed on the gas collection barrel. The exhaust fan is connected to the inside of the gas collection barrel. A sealing cover is threadedly connected to the exhaust fan. The battery box is electrically connected to the exhaust fan and a switch is provided on the battery box. A plurality of batteries are provided in the battery box.

4. The device for collecting greenhouse gases from tidal flat soil according to claim 1, characterized in that: The gas extraction barrel is provided with a rotary switch valve, and the rotary switch valve includes a fixed seat and a rotating seat. The fixed seat is fixedly installed on the gas extraction barrel, and the rotating seat is rotatably installed on the fixed seat. The fixed seat is provided with an air vent, and the rotating seat is provided with an air guide hole connected to the air vent. A first semicircular sealing block is provided in the air vent, and a second semicircular sealing block is provided in the air guide hole. The projection area of ​​the second semicircular sealing block overlaps with the projection area of ​​the first semicircular sealing block to form a perfect circle.

5. The device for collecting greenhouse gases from tidal flat soil according to claim 1, characterized in that: An anti-sinking plate is also installed on the gas collection barrel.

6. The device for collecting greenhouse gases from tidal flat soil according to claim 1, characterized in that: A heat-insulating layer is arranged inside the gas collection barrel.

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