CN219142392U - Device for collecting soil greenhouse gas and ammonia volatilization in crop root system overlapping area - Google Patents
Device for collecting soil greenhouse gas and ammonia volatilization in crop root system overlapping area Download PDFInfo
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- CN219142392U CN219142392U CN202320107986.7U CN202320107986U CN219142392U CN 219142392 U CN219142392 U CN 219142392U CN 202320107986 U CN202320107986 U CN 202320107986U CN 219142392 U CN219142392 U CN 219142392U
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Abstract
The utility model discloses a device for collecting soil greenhouse gas and ammonia volatilization in a crop root system overlapping area, which comprises a gas collection combined base, a greenhouse gas cylinder, an ammonia volatilization cylinder and a gas hole, wherein an annular water injection sealing pool is arranged on the outer side of the gas collection combined base, multiple round holes with root system overlapping are formed in the bottom end of the outer side of the gas collection combined base at equal intervals, the top of the gas collection combined base is provided with the ammonia volatilization cylinder, two ends of the inside of the ammonia volatilization cylinder are fixedly clamped with sponge plates, glycerin phosphate is immersed in the sponge plates, and the top of the ammonia volatilization cylinder is provided with the greenhouse gas cylinder. The utility model reduces the gas collection cost, is convenient and flexible to operate, and can truly reflect the gas discharge state of the field environment.
Description
Technical Field
The utility model relates to the technical field of farmland soil gas monitoring and collecting, in particular to a device for collecting soil greenhouse gas and ammonia volatilization in an overlapping area of crop root systems.
Background
The investment of nitrogen fertilizer and the increase of population density are main measures for improving the unit yield of crops, but because of the unreasonable application of the fertilizer, a large amount of nitrogen fertilizer is lost through volatilization, runoff and other ways, so that the utilization rate of the nitrogen fertilizer is too low, the generated ammonia volatilizes and greenhouse gases can also cause haze and greenhouse effect, the global climate change is indirectly influenced, underground root systems are more vigorous than the above-ground competition after the close planting of crops, and especially the overlapping area of the root systems is a main area for competition of nutrients and moisture, and the generated greenhouse gas and the generated ammonia volatilized emission amount directly influence the nitrogen fertilizer absorbing and utilizing capacity of crops.
The farmland ecological system is used as a main source of important soil carbon sink and carbon emission, the accurate monitoring of greenhouse gas emission and ammonia volatilization in the overlapping area of the root system of close planting crops is a premise of scientifically measuring the carbon sink capacity of the farmland and accurately regulating and controlling the carbon emission, the traditional ammonia volatilization and greenhouse gas collection method is a closed air extraction method and a static box method, and most of the current combined measuring devices are indoor simulation devices or soil culture devices, and the defects are that the soil column simulation hardly truly reflects the field gas emission, and adverse factors are caused to accurately estimating the carbon sink capacity of the farmland and accurately regulating and controlling the carbon emission.
Disclosure of Invention
The utility model mainly aims to provide a device for collecting soil greenhouse gas and ammonia volatilization in a crop root system overlapping area, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a collect device that crop root system overlapped area soil greenhouse gas and ammonia volatilize, includes that gas collection unites base, greenhouse gas cartridge, ammonia volatilize gas cartridge and gas pocket, the gas collection unites the base outside and is provided with annular water injection sealed pool, the root system is overlapped many round holes have been seted up to gas collection unites base outside bottom equidistance, gas collection unites the base top and is provided with the ammonia volatilize gas cartridge, the inside both ends block of ammonia volatilize gas cartridge is fixed with the sponge board, the inside phosphoric acid glycerol that soaks of sponge board, ammonia volatilize gas cartridge top is provided with greenhouse gas cartridge, the inboard one end of greenhouse gas cartridge is installed gas mixing fan through the mounting bracket, gas collection unites base top veneer and has the gas production plug, the inside thermometer that inlays of gas production plug.
Further, a gas collecting hole is formed in the inner top of the gas collecting combined base, and the gas collecting hole is communicated with a gas collecting rubber plug.
Further, two ends of the inner side of the ammonia volatilization gas cylinder are welded with spacing rings for bearing a sponge plate; the spacer ring is arranged to bear the sponge board.
Further, the detection end of the thermometer is positioned in the gas collection hole.
Compared with the prior art, the utility model has the following beneficial effects:
through the setting of gas collection joint base, greenhouse gas cartridge and ammonia evaporation gas cartridge, ingenious nested structural design can change the collection barrel according to the collection target to collect the base and do not influence root system growth and overlap, guarantee the authenticity of crop growth environment, can acquire more accurate farmland soil greenhouse gas and ammonia evaporation volume's synchronous data.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a device for collecting greenhouse gases and volatilizing ammonia in soil in the overlapping area of crop root systems according to the present utility model.
FIG. 2 is a schematic diagram showing the internal structure of a gas collection joint base of a device for collecting greenhouse gases and volatilizing ammonia in soil in an overlapping area of crop root systems.
FIG. 3 is a schematic diagram showing the internal structure of a greenhouse gas cylinder of the device for collecting soil greenhouse gas and volatilizing ammonia in the overlapping area of crop root systems.
Fig. 4 is a schematic diagram of the internal structure of an ammonia volatilization gas cylinder of the device for collecting greenhouse gases and volatilizing ammonia in soil in the overlapping area of crop root systems.
FIG. 5 is a schematic view of the top structure of a greenhouse gas cylinder of the device for collecting greenhouse gas and volatilizing ammonia in soil in the overlapping area of crop root systems.
In the figure: 1. a gas collection joint base; 2. greenhouse gas sampling cylinder; 3. ammonia volatilizing gas cylinder; 4. an annular water injection sealing pool; 5. the root system is overlapped with a plurality of round holes; 6. a spacer ring; 7. a sponge plate; 8. glycerol phosphate; 9. a gas mixing fan; 10. a gas production rubber plug; 11. a thermometer; 12. and a gas collecting hole.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-5, a device for collecting soil greenhouse gas and ammonia volatilization in a crop root overlapping area comprises a gas collection combined base 1, a greenhouse gas cylinder 2, an ammonia volatilization gas cylinder 3 and a gas collection hole 12, wherein an annular water injection sealing pool 4 is arranged on the outer side of the gas collection combined base 1, root overlapping multi-round holes 5 are formed in the bottom end equidistance of the outer side of the gas collection combined base 1, the top of the gas collection combined base 1 is provided with the ammonia volatilization gas cylinder 3, two ends of the inner part of the ammonia volatilization gas cylinder 3 are clamped and fixed with a sponge plate 7, glycerin phosphate 8 is immersed in the sponge plate 7, the top of the ammonia volatilization gas cylinder 3 is provided with a greenhouse gas cylinder 2, one end of the inner side of the greenhouse gas cylinder 2 is provided with a gas mixing fan 9 through a mounting frame, a gas collection rubber plug 10 is glued on the top of the gas collection combined base 1, and a thermometer 11 is embedded in the gas collection rubber plug 10.
Wherein, gas collecting hole 12 is opened at the top in the gas collecting joint base 1, gas collecting hole 12 is linked together with gas collecting rubber plug 10.
In this embodiment, as shown in fig. 3 and 5, the gas entering the greenhouse gas cylinder 2 may enter the gas hole 12 into the gas production rubber plug 10.
Wherein, the two ends of the inner side of the ammonia volatilization gas cylinder 3 are welded with a spacing ring 6 for bearing a sponge plate 7.
In this embodiment, as shown in fig. 4, the spacer ring 6 is used for carrying and fixing the sponge plate 7.
Wherein, the detection end of the thermometer 11 is positioned inside the gas collection hole 12.
In this embodiment, as shown in fig. 3 and 5, the detection end of the thermometer 11 is located in the gas collection hole 12, so that the temperature of the gas entering the greenhouse gas collection tube 2 can be detected.
The utility model relates to a device for collecting soil greenhouse gas and ammonia volatilization in a crop root system overlapping area, which is characterized in that the bottom end of a gas collection joint base 1 is inserted underground when in operation, a plurality of root system overlapping multi-round holes 5 are equidistantly formed in the bottom end of the outer side of the gas collection joint base 1, gas generated by the crop root system which is convenient to concentrate and overlap enters the gas collection joint base 1, personnel insert a greenhouse gas sampling tube 2 between the gas collection joint base 1 and an annular water injection sealing pool 4, water is injected into the annular water injection sealing pool 4, the joint of the gas collection joint base 1 and the greenhouse gas sampling tube 2 is sealed, the personnel open a gas mixing fan 9 to pump the gas entering the gas collection joint base 1 through the plurality of root system overlapping multi-round holes 5 into the greenhouse gas sampling tube 2, the detection end of a thermometer 11 is positioned in a gas sampling hole 12, the gas temperature can be detected and displayed, and when ammonia volatilization gas collection is required, the personnel sleeve the ammonia volatilization sampling tube 3 at the top of the gas collection joint base 1, the greenhouse gas sampling tube 2 is sleeved at the top of the ammonia volatilization tube 3, the upper and lower ends of the ammonia collection tube 3 are provided with a soaking plate 7, and the ammonia volatilization sponge 7 can be used for capturing glycerin from the glycerin sponge 8 through a ventilation sponge method.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a collect device that crop root system overlap zone soil greenhouse gas and ammonia volatilize, includes that gas collection unites base (1), greenhouse gas cylinder (2), ammonia volatilize gas cylinder (3) and gas pocket (12), its characterized in that: the utility model discloses a greenhouse gas collection seat, including base (1) and gas collection, gas collection joint base (1) outside is provided with annular water injection sealed pool (4), root system overlapping round hole (5) have been seted up to gas collection joint base (1) outside bottom equidistance, gas collection joint base (1) top is provided with ammonia and volatilizes gas sampling tube (3), the inside both ends block of ammonia volatilizees gas sampling tube (3) is fixed with sponge board (7), the inside phosphoric acid glycerol (8) that soaks of sponge board (7), ammonia volatilizees gas sampling tube (3) top is provided with greenhouse gas sampling tube (2), gas mixing fan (9) are installed through the mounting bracket to greenhouse gas sampling tube (2) inboard one end, gas collection joint base (1) top veneer has gas sampling plug (10), gas sampling plug (10) inside is inlayed and is equipped with thermometer (11).
2. The device for collecting soil greenhouse gases and volatilizing ammonia in an overlapping area of crop root systems according to claim 1, wherein: the gas collecting combined base (1) is characterized in that a gas collecting hole (12) is formed in the inner top of the gas collecting combined base, and the gas collecting hole (12) is communicated with a gas collecting rubber plug (10).
3. The device for collecting soil greenhouse gases and volatilizing ammonia in an overlapping area of crop root systems according to claim 1, wherein: and the two ends of the inner side of the ammonia volatilization gas cylinder (3) are welded with a spacing ring (6) for bearing a sponge plate (7).
4. The device for collecting soil greenhouse gases and volatilizing ammonia in an overlapping area of crop root systems according to claim 1, wherein: the detection end of the thermometer (11) is positioned in the gas collection hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320107986.7U CN219142392U (en) | 2023-02-03 | 2023-02-03 | Device for collecting soil greenhouse gas and ammonia volatilization in crop root system overlapping area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320107986.7U CN219142392U (en) | 2023-02-03 | 2023-02-03 | Device for collecting soil greenhouse gas and ammonia volatilization in crop root system overlapping area |
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| CN219142392U true CN219142392U (en) | 2023-06-06 |
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| CN202320107986.7U Active CN219142392U (en) | 2023-02-03 | 2023-02-03 | Device for collecting soil greenhouse gas and ammonia volatilization in crop root system overlapping area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116907931A (en) * | 2023-07-14 | 2023-10-20 | 沧州市农林科学院 | Small ammonia volatile gas collecting device |
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2023
- 2023-02-03 CN CN202320107986.7U patent/CN219142392U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116907931A (en) * | 2023-07-14 | 2023-10-20 | 沧州市农林科学院 | Small ammonia volatile gas collecting device |
| CN116907931B (en) * | 2023-07-14 | 2024-04-05 | 沧州市农林科学院 | Small ammonia volatile gas collecting device |
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