CN111272502A - Collection device for exerting ammonia in field community and use method - Google Patents
Collection device for exerting ammonia in field community and use method Download PDFInfo
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- CN111272502A CN111272502A CN202010254320.5A CN202010254320A CN111272502A CN 111272502 A CN111272502 A CN 111272502A CN 202010254320 A CN202010254320 A CN 202010254320A CN 111272502 A CN111272502 A CN 111272502A
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- connecting pipe
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- washing bottle
- gas washing
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 32
- 238000005070 sampling Methods 0.000 claims abstract description 17
- XYZZKVRWGOWVGO-UHFFFAOYSA-N Glycerol-phosphate Chemical compound OP(O)(O)=O.OCC(O)CO XYZZKVRWGOWVGO-UHFFFAOYSA-N 0.000 claims abstract description 9
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004327 boric acid Substances 0.000 claims abstract description 8
- 235000007164 Oryza sativa Nutrition 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 9
- 235000009566 rice Nutrition 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 241000209094 Oryza Species 0.000 description 8
- 239000000618 nitrogen fertilizer Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000004720 fertilization Effects 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of agricultural farmland tests, in particular to a collecting device for ammonia exertion in a field community and a using method thereof, which solve the problems in the prior art, and comprise a vacuum pump, a flowmeter, a gas washing bottle and a closed gas chamber, wherein the bottle cap of the gas washing bottle is connected with the vacuum pump through a first connecting pipe, and the vacuum pump is also connected with the flowmeter; a second connecting pipe is further installed in the inner cavity of the gas washing bottle, one end of the second connecting pipe is connected to the closed gas chamber, and a glycerol phosphate sponge plug is further installed on the closed gas chamber; the inner cavity of the gas washing bottle is filled with boric acid solution. According to the using method of the collecting device, the ammonia performance of the field community is collected at regular time, the ammonia volatilization is collected by adopting an intermittent air pumping method of a closed air chamber, the sampling accuracy is high, the sampling effect is ensured, and the sampling requirement of the ammonia performance of the test is also met.
Description
Technical Field
The invention relates to the technical field of agricultural farmland tests, in particular to a field community ammonia exertion acquisition device and a use method thereof.
Background
The rice is not only a large water-consuming household in China agriculture, but also a large water-consuming household in China agriculture. The average fertilizing amount of rice in China is about 190kg ha-1, which is 1.9 times of the average level in the world, and the annual fertilizing amount (nitrogen) in local areas even exceeds 600 kg ha-1. According to 2010 statistics, the nitrogen consumption of rice in China accounts for about 31.3% of the total nitrogen consumption of rice in the world. The increased application of nitrogen fertilizer can improve the rice production rate, and simultaneously, the increased application of nitrogen fertilizer can cause serious low utilization rate of nitrogen fertilizer, cause a series of environmental problems such as groundwater pollution, air pollution, eutrophication of a large amount of water areas and the like, and even cause yield reduction of rice, soil hardening degradation and the like. While NH3 volatilization is a main way for nitrogen fertilizer loss in the paddy field, 80-90% of NH3 in the atmosphere comes from the farmland and accounts for 20-30% of the nitrogen fertilizer consumption, so that the research on ammonia volatilization of the farmland is an important content of nitrogen circulation of the ecological system of the farmland.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a field community ammonia utilization collecting device and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a collecting device for ammonia exertion in a field community and a using method thereof comprise a vacuum pump, a flowmeter, a gas washing bottle and a closed gas chamber, wherein a bottle cap of the gas washing bottle is connected with the vacuum pump through a first connecting pipe, and the vacuum pump is also connected with the flowmeter;
a second connecting pipe is further installed in the inner cavity of the gas washing bottle, one end of the second connecting pipe is connected to the closed gas chamber, and a glycerol phosphate sponge plug is further installed on the closed gas chamber;
the inner cavity of the gas washing bottle is filled with boric acid solution.
Preferably, the closed air chamber is composed of a bottom box and a top box which are made of PVC materials, the diameter of the closed air chamber is 20cm, and the height of the closed air chamber is 30 cm.
Preferably, two vent holes are formed in the top of the closed air chamber, the vent holes are correspondingly connected with a second connecting pipe and plugged with a glycerol phosphate sponge plug, and the aperture of the vent hole connected with the second connecting pipe is 30 mm.
Preferably, the capacity of the gas washing bottle is 500ml, and the gas washing bottle is selected to be a glass bottle.
A use method of a collection device for ammonia utilization in a field community comprises the following steps:
s1, installation of a collecting device: connecting a vacuum pump with a gas washing bottle through a first connecting pipe, connecting the gas washing bottle with a closed gas chamber through a second connecting pipe, and installing the closed gas chamber in the experimental rice field;
s2, determining the operation condition of the acquisition device: setting the sampling time of ammonia at 9:00-11:00 in the morning, ensuring air extraction for 2h during sampling, and shifting the closed air chamber after 30min of air extraction;
s3, operation of the acquisition device: the ventilation frequency of the closed air chamber is adjusted through the flowmeter, and under the control action of the vacuum pump, the boric acid solution in the gas washing bottle is used as a transfer through the connection of the first connecting pipe and the second connecting pipe, so that the ammonia is collected by utilizing the collection device through an air suction method.
Preferably, the ventilation frequency of the closed air chamber is 10-15 times/mm.
The invention has the beneficial effects that:
1. according to the invention, the ammonia exertion in the field community is collected at regular time according to the use method of the collection device, the ammonia volatilization is collected by adopting the closed air chamber intermittent air extraction method, the sampling accuracy is high, the sampling effect is ensured, and the sampling requirement of the ammonia exertion in the test is also met.
2. The invention adjusts the ventilation frequency of the closed air chamber to 10-15 times/mm by the flowmeter during air extraction, and the sampling time is from the day after each fertilization until ammonia volatilization of different treatment districts is not different from comparison.
Drawings
Fig. 1 is a schematic structural diagram of a device for collecting ammonia in a field community and a using method thereof.
In the figure: the device comprises a vacuum pump 1, a flow meter 2, a first connecting pipe 3, a second connecting pipe 4, a glycerol phosphate sponge plug 5, a boric acid solution 6, a gas washing bottle 7 and a sealed gas chamber 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example (b): referring to fig. 1, the device for collecting ammonia in a field community comprises a vacuum pump 1, a flow meter 2, a gas washing bottle 7 and a closed gas chamber 8, wherein a bottle cap of the gas washing bottle 7 is connected with the vacuum pump 1 through a first connecting pipe 3, and the vacuum pump 1 is also connected with the flow meter 2;
the capacity of the gas washing bottle 7 is 500ml, the gas washing bottle 7 is selected to be a glass bottle, a boric acid solution 6 is contained in the inner cavity of the gas washing bottle 7, a second connecting pipe 4 is further installed in the inner cavity of the gas washing bottle 7, one end of the second connecting pipe 4 is connected to the closed gas chamber 8, and a glycerol phosphate sponge plug 5 is further installed on the closed gas chamber 8;
the airtight air chamber 8 comprises two parts of a bottom box and a top box which are made of PVC materials, the diameter is 20cm, the height is 30cm, two vent holes are formed in the top of the airtight air chamber 8, the vent holes are correspondingly connected with the second connecting pipe 4 and plugged into the glycerol phosphate sponge plug 5, and the hole diameter of the vent hole connected with the second connecting pipe 4 is 30 mm.
A use method of a collection device for ammonia utilization in a field community comprises the following steps:
s1, installation of a collecting device: the vacuum pump 1 is connected with a gas washing bottle 7 through a first connecting pipe 3, the gas washing bottle 7 is connected with a closed gas chamber 8 through a second connecting pipe 4, and the closed gas chamber 8 is installed in the experimental rice field;
s2, determining the operation condition of the acquisition device: setting the sampling time of ammonia at 9:00-11:00 in the morning, ensuring air extraction for 2h during sampling, and displacing the closed air chamber 8 after 30min of air extraction;
s3, operation of the acquisition device: the ventilation frequency of the closed gas chamber 8 is adjusted through the flowmeter 2, the ventilation frequency of the closed gas chamber 8 is 10-15 times/mm, and under the control action of the vacuum pump 1, the boric acid solution 6 in the gas washing bottle 7 is used as a transfer through the connection of the first connecting pipe 3 and the second connecting pipe 4, so that the ammonia is collected by the collection device through an air suction method.
Specifically, the collection device is utilized to collect ammonia in the field community at regular time according to the using method of the collection device, the closed air chamber 8 is adopted to collect ammonia volatilization by an intermittent air pumping method, the sampling accuracy is high, the sampling effect is ensured, and the sampling requirement of the ammonia exertion in the test is also met;
wherein, the sponge dipped with the glycerol phosphate solution is plugged into the top of the breather pipe to reduce the influence of surface air exchange on ammonia volatilization measurement; during air exhaust, the ventilation frequency of the closed air chamber 8 is adjusted to 10-15 times/mm through the flow meter 2, and the sampling time is from the day after each fertilization until ammonia volatilization in different treatment cells is not different from the control.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A collection device for ammonia exertion in a field community comprises a vacuum pump (1), a flowmeter (2), a gas washing bottle (7) and a closed gas chamber (8), and is characterized in that a bottle cap of the gas washing bottle (7) is connected with the vacuum pump (1) through a first connecting pipe (3), and the vacuum pump (1) is also connected with the flowmeter (2);
a second connecting pipe (4) is further installed in the inner cavity of the gas washing bottle (7), one end of the second connecting pipe (4) is connected to the closed gas chamber (8), and a glycerol phosphate sponge plug (5) is further installed on the closed gas chamber (8);
the inner cavity of the gas washing bottle (7) is filled with boric acid solution (6).
2. The device for collecting ammonia evolution in a field community as claimed in claim 1, characterized in that said airtight air chamber (8) is composed of a bottom box and a top box made of PVC material, and has a diameter of 20cm and a height of 30 cm.
3. The device for collecting ammonia in a field community according to claim 2, wherein two vent holes are formed in the top of the closed air chamber (8), the vent holes are correspondingly connected with a second connecting pipe (4) and plugged with a glycerol phosphate sponge plug (5), and the hole diameter of the vent hole connected with the second connecting pipe (4) is 30 mm.
4. The device for collecting ammonia evolution in a field community as claimed in claim 1, characterized in that the capacity of the gas washing bottle (7) is 500ml, and the gas washing bottle (7) is selected to be a glass bottle.
5. The method of using the field plot ammonia production collection device of claim 1, comprising the steps of:
s1, installation of a collecting device: the vacuum pump (1) is connected with the gas washing bottle (7) through the first connecting pipe (3), the gas washing bottle (7) is connected with the closed gas chamber (8) through the second connecting pipe (4), and the closed gas chamber (8) is arranged in the experimental rice field;
s2, determining the operation condition of the acquisition device: setting the sampling time of ammonia at 9:00-11:00 in the morning, ensuring air extraction for 2h during sampling, and displacing the closed air chamber (8) after 30min of air extraction;
s3, operation of the acquisition device: the ventilation frequency of the closed air chamber (8) is adjusted through the flowmeter (2), and under the control action of the vacuum pump (1), the boric acid solution (6) in the gas washing bottle (7) is used as a transfer through the connection of the first connecting pipe (3) and the second connecting pipe (4), so that the collection device is utilized to realize ammonia collection by utilizing an air extraction method.
6. The use method of the collection device for ammonia evolution in the field community as claimed in claim 5, characterized in that the ventilation frequency of the closed air chamber (8) is 10-15 times/mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254320.5A CN111272502A (en) | 2020-04-02 | 2020-04-02 | Collection device for exerting ammonia in field community and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254320.5A CN111272502A (en) | 2020-04-02 | 2020-04-02 | Collection device for exerting ammonia in field community and use method |
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| CN111272502A true CN111272502A (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010254320.5A Pending CN111272502A (en) | 2020-04-02 | 2020-04-02 | Collection device for exerting ammonia in field community and use method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964987A (en) * | 2020-08-20 | 2020-11-20 | 中国科学院、水利部成都山地灾害与环境研究所 | Full-automatic ammonia collection system that volatilizees |
| CN113740124A (en) * | 2021-09-14 | 2021-12-03 | 太原理工大学 | Gaseous organic amine collecting device and method thereof |
| KR20220168357A (en) * | 2021-06-16 | 2022-12-23 | 대한민국(농촌진흥청장) | Ammonia impinger for agricultural land |
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| CA2563011A1 (en) * | 2004-04-01 | 2005-10-27 | The Chugoku Electric Power Co., Inc. | Method for sampling flue gas for analysis containing gas component having high susceptibility to adsorption |
| CN106018670A (en) * | 2016-07-01 | 2016-10-12 | 甘肃省农业科学院土壤肥料与节水农业研究所 | Field in-situ monitoring method of ammonia volatilization from farmland soils |
| CN110646252A (en) * | 2019-09-27 | 2020-01-03 | 沈阳农业大学 | Dry-wet alternation rice field is with portable timing multiple spot ammonia sampling device that volatilizees |
-
2020
- 2020-04-02 CN CN202010254320.5A patent/CN111272502A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2563011A1 (en) * | 2004-04-01 | 2005-10-27 | The Chugoku Electric Power Co., Inc. | Method for sampling flue gas for analysis containing gas component having high susceptibility to adsorption |
| CN106018670A (en) * | 2016-07-01 | 2016-10-12 | 甘肃省农业科学院土壤肥料与节水农业研究所 | Field in-situ monitoring method of ammonia volatilization from farmland soils |
| CN110646252A (en) * | 2019-09-27 | 2020-01-03 | 沈阳农业大学 | Dry-wet alternation rice field is with portable timing multiple spot ammonia sampling device that volatilizees |
Non-Patent Citations (1)
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|---|
| 黄彬香等: "田间土壤氨挥发的原位测定──风洞法", 《土壤》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964987A (en) * | 2020-08-20 | 2020-11-20 | 中国科学院、水利部成都山地灾害与环境研究所 | Full-automatic ammonia collection system that volatilizees |
| KR20220168357A (en) * | 2021-06-16 | 2022-12-23 | 대한민국(농촌진흥청장) | Ammonia impinger for agricultural land |
| KR102559597B1 (en) * | 2021-06-16 | 2023-07-27 | 대한민국 | Ammonia impinger for agricultural land |
| CN113740124A (en) * | 2021-09-14 | 2021-12-03 | 太原理工大学 | Gaseous organic amine collecting device and method thereof |
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Application publication date: 20200612 |
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