Water-gas interface greenhouse gas quantitative collection device

By designing a quantitative greenhouse gas collection device at the water-air interface, the problems of funnel tipping and discontinuous collection under the influence of water surface fluctuations were solved. The device enables stable floating and continuous collection of greenhouse gases on the water surface, simplifies the monitoring process, and improves the reliability of the collection.

CN223461323UActive Publication Date: 2025-10-21NANJING INST OF GEOGRAPHY & LIMNOLOGY
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Patent Information

Application Number
CN202422005849.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2025-10-21
Estimated Expiration
2034-08-19

AI Technical Summary

Technical Problem

In existing technologies, methods for monitoring greenhouse gases in aquatic ecosystems are easily affected by water surface fluctuations, which can cause the funnel to tip over and prevent continuous data collection, thus making it impossible to continuously monitor the greenhouse gas content in the area.

Method used

A quantitative collection device for greenhouse gases at the water-air interface was designed, including a quantitative funnel, a limiting device, a float, a hollow ring pile, a monitoring probe, a fixed disc, a collection tube, an extension plate, a waterproof reflective strip, and a counterweight ring. It uses transparent and lightweight materials and high light transmittance materials. The limiting device and float provide stability and buoyancy. The sealing ring and double solenoid head are used to achieve airtightness and continuous collection.

Benefits of technology

It achieves stable floating on the water surface, reduces the impact on underwater light, enables continuous collection of greenhouse gases, simplifies monitoring procedures, and improves the reliability and continuity of data collection.

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Abstract

The utility model discloses a water-gas interface greenhouse gas quantitative collection device which comprises a quantitative funnel, a limiting device, a floating plate, three hollow annular piles, a monitoring probe, a fixed disc, a collection pipe, an expansion sheet, a waterproof reflective colored tape and a counterweight ring, the counterweight ring is sleeved on the outer wall of the quantitative funnel, and the three hollow annular piles are connected with the limiting device. The three hollow annular piles are connected with the floating plate; the floating plate is connected with the fixed disc; the hollow annular piles are connected with the monitoring probe; the waterproof reflective colored tape is glued with the side wall of the floating plate; the fixed disc is connected with the quantitative funnel and the collecting pipe, the collecting pipe collects gas, the expansion piece is used for controlling the opening size of the quantitative funnel, the waterproof reflective colored tape makes the device striking, and the counterweight ring is used for preventing the device from rolling over.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gas quantitative collection device technical field, concretely is a water gas interface greenhouse gas quantitative collection device. BACKGROUND

[0002] As an important ecosystem type, the greenhouse gas emitted into the atmosphere by aquatic ecosystems has attracted more and more attention. The greenhouse gas of aquatic ecosystems is mainly emitted into the atmosphere through the sediment-water-atmosphere system. The greenhouse gas produced by water bodies such as rivers, lakes and ponds enters the atmosphere through bubble emission, plant transmission and diffusion.

[0003] The monitoring method for bubble emission is the inverted funnel method. During the collection of gas, the method is easily affected by water surface fluctuation, causing the funnel to overturn. Moreover, the method cannot realize continuous collection of greenhouse gas, and thus cannot realize continuous monitoring of the greenhouse gas content in the area. SUMMARY

[0004] The utility model discloses a water gas interface greenhouse gas quantitative collection device to solve the problem raised in the above background technology.

[0005] In order to solve the above technical problem, the utility model provides the following technical scheme:

[0006] A water gas interface greenhouse gas quantitative collection device, the gas quantitative collection device includes a quantitative funnel, a limiting device, a floating plate, a hollow ring pile, a monitoring probe, a fixed disc, a collection pipe, an expansion sheet, a waterproof reflective color band and a counterweight ring. The quantitative funnel is connected with the fixed disc, the quantitative funnel is connected with the floating plate, the quantitative funnel is connected with the collection pipe, the quantitative funnel is glued with the expansion sheet, there are three hollow ring piles, the three hollow ring piles are fixedly connected with the limiting device, the three hollow ring piles are fixedly connected with the floating plate, the floating plate is connected with the fixed disc, the hollow ring pile is connected with the monitoring probe, the waterproof reflective color band is glued with the side wall of the floating plate, and the counterweight ring is sleeved on the outer wall of the quantitative funnel.

[0007] The monitoring probe is used as the main detection tool to monitor the wind speed, illumination and water temperature of the surrounding environment. The limiting device is used as the main counterweight to limit the displacement of the device and prevent the overall device from tilting. The quantitative funnel and the collection pipe are used as the collection device to collect the greenhouse gas in the environment. The floating plate is used as the main buoyancy providing device to ensure that the overall device floats on the water surface. The hollow ring pile is used as the mounting device to provide a mounting position for the monitoring probe and a mounting base for the limiting device. The fixed disc is used as the connecting device to connect the quantitative funnel and the collection pipe. The expansion sheet is used to adjust the size of the funnel mouth of the quantitative funnel. The waterproof reflective color band has the reflective property, making the device eye-catching and facilitating the subsequent search for the device. The counterweight ring is used to prevent the device from overturning.

[0008] Further, the quantitative funnel is made of transparent light material such as PET, PC, etc.

[0009] The quantitative funnel is made of transparent light material, which can reduce the influence of the quantitative funnel on the underwater device, and the light material can reduce the weight of the device, making it easier to float on the water surface.

[0010] Further, the limiting device includes a connecting rope and a conical weight, the connecting rope is fixedly connected with the hollow ring pile, and the connecting rope is fixedly connected with the conical weight.

[0011] The connecting rope is used to connect the conical weight and the hollow ring pile, and the conical weight provides stability for the device by its own gravity, preventing the device from shifting or rolling over.

[0012] Further, the floating plate is a hollow structure made of transparent light material such as PET, PC, etc.

[0013] The PET, PC and other materials make the device transparent, reducing the influence of the device on underwater light, and the hollow structure makes the buoyancy provided by the floating plate larger, making the device more suitable for floating on the water surface.

[0014] Further, the hollow ring pile is made of material with a light transmittance of more than 85%, and three hollow ring piles are fixedly connected at equal intervals on the side wall of the floating plate, the hollow ring pile is provided with a mounting groove, and the monitoring probe is placed in the mounting groove.

[0015] The hollow ring pile serves as a mounting base for the monitoring probe and the limiting device, which raises the position of the monitoring probe above the water surface and close to the collection pipe, making the monitoring environment more consistent with the environmental information of the collected gas, and the manufacturing material has a light transmittance of more than 85%, reducing the influence of the device on underwater light.

[0016] Further, the fixed disc is made of transparent light material such as PET, PC, etc., which is used to connect the quantitative funnel and the collection pipe.

[0017] The PET, PC and other transparent light materials reduce the influence of the fixed disc on underwater light, while increasing the overall buoyancy of the device, and the fixed disc connects the quantitative funnel and the collection pipe.

[0018] Further, the collection pipe is made of transparent glass material, and the collection pipe includes a screw pipe head, a pipe body, a sealing rubber ring, and a puncturable septum cap, the outer wall of the screw pipe head is provided with threads, there are two screw pipe heads, the two screw pipe heads are placed at both ends of the pipe body, the sealing rubber ring is placed on the outer wall of the screw pipe head, and the end of the screw pipe head with the sealing rubber ring is inserted into the quantitative funnel, and the pipe body has a scale.

[0019] The sealing rubber ring is connected with the quantitative funnel and is used for ensuring the air tightness of the device under water.

[0020] Further, the light transmittance of the expansion sheet material reaches more than 85%, the expansion sheet unfolding diagram is a semicircular ring, the inner side of the upper end of the expansion sheet is glued to the quantitative funnel through the adhesive, and one side of the expansion sheet is glued to the outer wall through the adhesive.

[0021] The opening size of the quantitative funnel is adjusted by adjusting the position of the inner side of the upper end of the expansion sheet glued to the opening of the lower end of the quantitative funnel, and the opening of the quantitative funnel is larger when the inner side of the upper end of the expansion sheet is closer to the opening of the lower end of the quantitative funnel.

[0022] Further, the counterweight ring is closed in a clamping mode.

[0023] The counterweight ring is used for preventing the device from rolling over and enhancing the wind and wave resistance, the counterweight ring is closed in a clamping mode, is convenient to install and disassemble, and can be reused.

[0024] Further, the tube size includes but is not limited to 2ml, 4ml, 8ml and the like standard sample introduction tubes.

[0025] Different sizes of standard sample introduction tubes are adopted to analyze the measured gas, reduce the contingency between different samples, and increase the reliability of experimental results.

[0026] Compared with the prior art, the device has the beneficial effects that:

[0027] 1. Field continuous collection. The fixed disc, the collection tube and the floating plate are assembled and placed underwater at the beginning, and when the tube is filled with water and no bubbles, the device is turned over to make it float naturally, the greenhouse gas is floated and touches the quantitative funnel, and is gradually collected into the top of the collection tube under the guidance of the quantitative funnel, and the water at the top of the collection tube is gradually discharged, when the collection tube is full of greenhouse gas, if continuous collection is needed, a special syringe needle is used to pierce the puncturable septum cap, the needle is slightly inserted into the tube, the gas is extracted, and under the action of atmospheric pressure, the tube is filled with water again, when the tube is filled with water, the syringe is pulled out, and a new round of collection is started, and continuous collection is realized by repeating the above steps.

[0028] 2. Simplify the monitoring steps. After the collection tube is collected, the two screw caps are covered with the tube cap, and the sample can be directly used for chromatographic determination without pretreatment. BRIEF DESCRIPTION OF DRAWINGS

[0029] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0030] Figure 1 is a schematic diagram of the overall structure of the present application;

[0031] Figure 2 is Figure 1 is a partial A enlarged view of the view;

[0032] Figure 3 is a schematic diagram of the quantitative funnel structure of the present application;

[0033] Figure 4 is a schematic diagram of the expansion sheet structure of the present application;

[0034] In the drawings: 1-quantitative funnel, 2-limiting device, 21-connection rope, 22-cone weight, 3-floating plate, 4-hollow ring pile, 5-monitoring probe, 6-fixed disc, 7-collection pipe, 71-screw pipe head, 72-pipe body, 721-scale, 73-sealing rubber ring, 74-pierceable spacer cover, 8-expansion sheet, 9-waterproof reflective color band, 10-counterweight ring. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] The present application provides a technical solution:

[0037] As Figures 1-3 shown, a water-gas interface greenhouse gas quantitative collection device, the gas quantitative collection device includes a quantitative funnel 1, a limiting device 2, a floating plate 3, a hollow ring pile 4, a monitoring probe 5, a fixed disc 6, a collection pipe 7, an expansion sheet 8, a waterproof reflective color band 9, a counterweight ring 10, the quantitative funnel 1 is clamped with the fixed disc 6, the quantitative funnel 1 is clamped with the floating plate 3, the quantitative funnel 1 is connected with the collection pipe 7, the quantitative funnel 1 is glued with the expansion sheet 8, the hollow ring pile 4 has three, three hollow ring piles 4 are fixedly connected with the limiting device 2, three hollow ring piles 4 are fixedly connected with the floating plate 3, the floating plate 3 is connected with the fixed disc 6, the hollow ring pile 4 is connected with the monitoring probe 5, the waterproof reflective color band 9 is glued with the side wall of the floating plate 3, and the counterweight ring 10 is sleeved on the outer wall of the quantitative funnel 1.

[0038] The monitoring probe 5 is used as a main detection tool to monitor the wind speed, illumination, water temperature, etc. of the surrounding environment, the limiting device 2 is used as a main counterweight to limit the displacement of the device and prevent the overall device from tilting, the quantitative funnel 1 and the collection pipe 7 are used as collection devices to collect greenhouse gases in the environment, the floating plate 3 is used as a main buoyancy providing device to ensure that the overall device floats on the water surface, the hollow ring pile 4 is used as a mounting device to provide a mounting position for the monitoring probe 5 and also provides a mounting base for the limiting device 2, and the fixed disc 6 is used as a connecting device to connect the quantitative funnel 1 and the collection pipe 7. The expansion sheet 8 is used to adjust the size of the funnel mouth of the quantitative funnel 1, the waterproof reflective color band 9 has a reflective property, making the device eye-catching and easy to find later, and the counterweight ring 10 is used to prevent the device from rolling over.

[0039] As shown in Figures 1-2 , the quantitative funnel 1 is made of transparent lightweight materials such as PET and PC.

[0040] The quantitative funnel 1 is made of transparent lightweight materials, which can reduce the impact of the quantitative funnel 1 on the underwater device, and the lightweight materials can reduce the weight of the device, making it easier to float on the water surface.

[0041] As shown in Figures 1-2 , the limiting device 2 includes a connecting rope 21 and a conical weight 22, the connecting rope 21 is fixedly connected with the hollow ring pile 4, and the connecting rope 21 is fixedly connected with the conical weight 22.

[0042] The connecting rope 21 is used to connect the conical weight 22 and the hollow ring pile 4, and the conical weight 22 provides stability to the device with its own gravity to prevent displacement or rolling of the device.

[0043] As shown in Figures 1-2 , the floating plate 3 is a hollow structure made of transparent lightweight materials such as PET and PC.

[0044] The transparent lightweight materials such as PET and PC make the device transparent, reducing the impact of the device on underwater illumination, and the hollow structure makes the buoyancy provided by the floating plate 3 larger, making the device more suitable for floating on the water surface.

[0045] As shown in Figures 1-2 , the hollow ring pile 4 is made of materials with a light transmittance of more than 85%, three hollow ring piles 4 are fixedly connected at equal intervals on the side wall of the floating plate 3, the hollow ring pile 4 is provided with a mounting groove, and the monitoring probe 5 is placed in the mounting groove.

[0046] Hollow annular pile 4 as installation foundation, for the installation of monitoring probe 5, also for the installation of limiting device 2, the position of monitoring probe 5 is lifted to the position above the water surface close to the collecting pipe 7, so that the monitoring environment is more in line with the environmental information of the collected gas, and the light transmittance of the manufacturing material is up to 85% or more, which reduces the influence of the device on underwater illumination.

[0047] As shown in Figures 1-3 , the fixed disc 6 is made of PET, PC and other transparent light materials, which is used to connect the said quantitative hopper 1 and the collecting pipe 7.

[0048] The transparent light material such as PET, PC reduces the influence of the fixed disc 6 on underwater illumination, and increases the overall buoyancy of the device, and connects the quantitative hopper 1 and the collecting pipe 7 through the fixed disc 6.

[0049] As shown in Figures 1-2 , the collecting pipe 7 is made of transparent glass material, the collecting pipe 7 includes screw pipe head 71, pipe body 72, sealing rubber ring 73, and puncturable septum cap 74, the outer wall of the screw pipe head 71 is provided with threads, the screw pipe head 71 has two, the two screw pipe heads 71 are placed at both ends of the pipe body 72, the sealing rubber ring 73 is placed on the outer wall of the screw pipe head 71, one end of the screw pipe head 71 with the sealing rubber ring 73 is inserted into the quantitative hopper 1, the pipe body 72 is provided with a scale 721, and the puncturable septum cap 74 is provided with threads.

[0050] The sealing rubber ring 73 is used as a sealing device, which is connected with the quantitative hopper 1, and is used to ensure the air tightness of the device under water, and the structure of double screw pipe heads 71 can realize continuous collection, after the gas in the pipe body 72 is collected, the special syringe is used to pierce the puncturable septum cap 74 at the upper end of the collecting pipe 7, so that the needle is slightly inserted into the pipe, and the gas is extracted from the upper end of the collecting pipe 7, due to the gas pressure, the water fills the pipe body 72 again, and a new round of collection is started, and the continuous collection can be realized by repeating the above operation, and the different sizes of collecting pipes 7 can be distinguished by the scale 721.

[0051] As shown in Figure 1 , Figure 4 , the expansion sheet 8 is made of material with light transmittance of 85% or more, the expansion sheet 8 is a semicircular ring, the inner side of the upper end of the expansion sheet 8 is glued to the quantitative hopper 1 by adhesive, and one side of the expansion sheet 8 is glued to the outer wall by adhesive.

[0052] The size of the opening of the quantitative hopper 1 is adjusted by adjusting the position of the inner side of the upper end of the expansion sheet 8 and the opening at the lower end of the quantitative hopper 1, the closer the inner side of the upper end of the expansion sheet 8 to the opening at the lower end of the quantitative hopper 1, the larger the opening of the quantitative hopper 1.

[0053] As shown in Figure 1 , the counterweight ring 10 is closed by clamping.

[0054] The counterweight ring 10 is used for preventing the device from rolling over and enhancing the wind and wave resistance, and the counterweight ring 10 is closed by clamping, so that the counterweight ring 10 is convenient to install and disassemble and can be reused.

[0055] As shown in Figure 1 Figure 1 The tube body 72 includes, but is not limited to, standard sample tubes of 2ml, 4ml, 8ml, etc.

[0056] By collecting standard sample tubes of different sizes, the measured gas is analyzed, the contingency between different sample tubes is reduced, and the reliability of experimental results is increased.

[0057] The working principle of the utility model is as follows:

[0058] 1. Field connection and collection. At the beginning, the fixed disc 6, the collection pipe 7 and the floating plate 3 are assembled and placed underwater, and when the tube body 72 is filled with water and no bubbles are generated, the device is turned over to make it float naturally, and when the greenhouse gas bubbles up, it touches the quantitative funnel 1, and under the guidance of the quantitative funnel 1, it gradually flows into the top of the collection pipe 7, and at the same time, the water at the top of the collection pipe 7 is gradually discharged, and when the collection pipe 7 collects the greenhouse gas, if continuous collection is needed, a special syringe needle is used to pierce the puncturable septum tube cover 74, and the needle is slightly inserted into the tube, and the gas is extracted, and at the same time, under the action of atmospheric pressure, the tube body 72 is filled with water again, and when the tube body 72 is filled with water, the syringe is pulled out, and a new round of collection is started, and continuous collection is realized by repeating the above steps.

[0059] 2. Simplified monitoring steps. After the collection pipe 7 is collected, the pipe cover is covered on the two end screw pipe heads 71, and the collection pipe 7 can be directly used for chromatographic determination without pretreatment of the sample.

[0060] It should be noted that, in the present document, the terms such as first and second, and the like, are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus that comprises a list of elements does not only include those elements, but also other elements not expressly listed or inherent to such process, method, article or apparatus.

[0061] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A water-air interface greenhouse gas quantitative collection device, characterized in that: The gas quantitative collection device comprises a quantitative funnel (1), a limiting device (2), a floating plate (3), a hollow annular pile (4), a monitoring probe (5), a fixed disc (6), a collection pipe (7), an expansion sheet (8), a waterproof reflective color band (9), and a counterweight ring (10).

2. The apparatus according to claim 1, wherein: The quantitative funnel (1) is made of PET and PC transparent light material.

3. The apparatus according to claim 1, wherein: The limiting device (2) comprises a connecting rope (21) and a conical weight (22).

4. The apparatus according to claim 1, wherein: The floating plate (3) is a cavity structure made of PET and PC transparent light material.

5. The apparatus according to claim 1, wherein: The hollow annular pile (4) is made of material with a light transmittance of more than 85%, and three hollow annular piles (4) are evenly welded on the side wall of the floating plate (3).

6. The apparatus according to claim 1, wherein: The fixed disc (6) is made of PET and PC transparent light material and is used for connecting the quantitative funnel (1) and the collection pipe (7).

7. The apparatus according to claim 1, wherein: The collection pipe (7) is made of transparent glass, and comprises a screw pipe head (71), a pipe body (72), a sealing rubber ring (73), and a puncturable septum cap (74).

8. The apparatus according to claim 1, wherein: The expansion sheet (8) is made of material with a light transmittance of more than 85%, and the expansion sheet (8) is a half-circle in the expanded view.

9. The apparatus according to claim 1, wherein: The counterweight ring (10) is closed by clamping.

10. The apparatus according to claim 7, wherein: The size of the pipe body (72) includes 2ml, 4ml, and 8ml standard sample introduction pipes.