CN218212203U - Rice field ammonia sampling device that volatilizees - Google Patents
Rice field ammonia sampling device that volatilizees Download PDFInfo
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- CN218212203U CN218212203U CN202222374221.8U CN202222374221U CN218212203U CN 218212203 U CN218212203 U CN 218212203U CN 202222374221 U CN202222374221 U CN 202222374221U CN 218212203 U CN218212203 U CN 218212203U
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Abstract
The utility model discloses a rice field ammonia sampling device that volatilizees relates to the rice field soil ammonia and volatilizes the normal position sampling technical field, the utility model discloses a power unit, including the vacuum pump and set up in the buffer flask of vacuum pump one side, the connection is equipped with the second pipe above the buffer flask; the air exchange mechanism comprises a purification assembly arranged on one side of the vacuum pump, the purification assembly comprises a vessel, a second connecting pipe and a background ammonia filter bottle, the vessel is connected with the background ammonia filter bottle through the second connecting pipe, and a third connecting pipe is arranged above the background ammonia filter bottle; and the sample collecting mechanism comprises a sampling cover at one end of a third connecting pipe, and one end of the second conduit is provided with a sample collecting bottle. The utility model relates to a paddy field ammonia sampling device that volatilizees adopts subassembly such as air admission pipe, background ammonia filter flask, and soil ammonia volatilizees around the reducible sampling point and disturbs, improves soil ammonia and volatilizees the sampling precision, is equipped with the sampling cover of not co-altitude specification simultaneously, applicable in the collection of the different growth period ammonia sample that volatilizees of rice.
Description
Technical Field
The utility model relates to a paddy field soil ammonia normal position sampling technical field that volatilizees, in particular to paddy field ammonia sampling device that volatilizees.
Background
At present, the ammonia volatilization sampling mode of the rice field comprises an aeration method, a wind tunnel method and a microclimate method, wherein the wind tunnel method and the microclimate method are mainly oriented to a larger test area and have higher requirements on the precision and the sensitivity of related equipment. The sampling by the ventilation method is that ammonia gas is collected through gas exchange, the gas exchange mode has natural volatilization of soil, the ammonia gas is usually collected by sponge soaked with absorption liquid, or external power such as a vacuum pump is utilized, and the ammonia gas is usually collected by a gas washing bottle filled with acidic liquid such as boric acid, dilute sulfuric acid and the like.
On one hand, the size of the traditional sampling cover is relatively specified, and the sampling cover is only suitable for the ammonia volatilization collection of soil in the rice seedling stage, and the previous research shows that the ammonia volatilization of the rice field is mainly concentrated in one week after fertilization, so the traditional device is not beneficial to the ammonia volatilization sampling after topdressing when the plants are high; on the other hand, the collection of the ammonia volatilization sample of the rice field is easily influenced by the background value of the air around the sampling point, so that the monitoring result is deviated from the actual condition.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a paddy field ammonia sampling device that volatilizees has overcome the not enough of prior art, through placing soda lime in the household utensils and put into the ammonia absorption liquid in the background ammonia filter flask, absorbs steam and ammonia in the air then, reduces then and detects the ammonia tolerance because of the ammonia and the steam that persist in the air then and cause the error to the experiment.
In order to solve the above problems, the utility model adopts the following technical proposal:
a rice field ammonia volatilization sampling device comprises
The power mechanism comprises a vacuum pump and a buffer bottle arranged on one side of the vacuum pump, and a second guide pipe is connected above the buffer bottle;
the air exchange mechanism comprises a purification assembly arranged on one side of the vacuum pump, the purification assembly comprises a vessel, a second connecting pipe and a background ammonia filter bottle, the vessel is connected with the background ammonia filter bottle through the second connecting pipe, and a third connecting pipe is arranged above the background ammonia filter bottle;
and the sample collecting mechanism comprises a sampling cover at one end of a third connecting pipe, and one end of the second conduit is provided with a sample collecting bottle.
Further, a first conduit is arranged between the vacuum pump and the buffer bottle.
Furthermore, soda lime is arranged inside the vessel, a first connecting pipe is arranged on one side of the vessel, an air input pipe is arranged at one end of the first connecting pipe, and 0.5mol/L sulfuric acid solution is arranged inside the background ammonia filter bottle.
Furthermore, the air input pipe is of a top and side opening and bottom sealing structure.
Furthermore, a first butt joint pipe is arranged above the sample collecting bottle, and a second butt joint pipe is arranged above the sampling cover.
Furthermore, a flow controller is arranged between the first butt joint pipe and the second butt joint pipe, and a base is arranged below the sampling cover.
Furthermore, the sampling cover has two different height specifications of 60cm and 90cm to satisfy the sampling of rice in different periods, the base realizes the lower part sealing of the sampling cover through water seal or embedding soil 5 cm.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses an air admission pipe, components such as background ammonia filter flask, the interference of soil ammonia volatilization around the reducible sampling point improves the sampling precision that soil ammonia volatilizees, is equipped with the favourable sampling cover of not co-altitude specification simultaneously, applicable collection in the different growth period ammonia volatilization samples of rice.
The utility model discloses power unit is equipped with a set ofly, and sample collection mechanism and mechanism of taking a breath are equipped with two sets ofly, are convenient for then be used for the control, get rid of the accidental factor that the experiment detected.
The utility model discloses a place soda lime in the household utensils and put into ammonia absorption liquid in background ammonia filter flask, absorb steam and ammonia in the air then, reduce then and detect the ammonia volume because of ammonia and steam that persist in the air then and cause the error to the experiment.
Drawings
FIG. 1 is a schematic view showing the external structure of a rice field ammonia volatilization sampling device;
FIG. 2 is a schematic view of the overall structure of a rice field ammonia volatilization sampling device.
In the figure: 1. a power mechanism; 101. a vacuum pump; 102. a buffer bottle; 103. a second conduit; 104. a first conduit; 2. a ventilation mechanism; 201. a vessel; 202. a second connecting pipe; 203. a background ammonia filter bottle; 204. a third connecting pipe; 205. soda lime; 206. a first connecting pipe; 207. an air input pipe; 3. a sample collection mechanism; 301. a sampling cover; 302. a sample collection vial; 303. a first docking pipe; 304. a second pair of adapter tubes; 305. a flow controller; 306. a base.
Detailed Description
In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, the utility model relates to a rice field ammonia sampling device that volatilizes, include
The power mechanism 1 comprises a vacuum pump 101 and a buffer bottle 102 arranged on one side of the vacuum pump 101, and a second guide pipe 103 is connected above the buffer bottle 102;
the ventilation mechanism 2 comprises a purification component arranged on one side of the vacuum pump 101, the purification component comprises a vessel 201, a second connecting pipe 202 and a background ammonia filter bottle 203, the vessel 201 is connected with the background ammonia filter bottle 203 through the second connecting pipe 202, and a third connecting pipe 204 is arranged above the background ammonia filter bottle 203;
the sample collecting mechanism 3 comprises a sampling cover 301 at one end of the third connecting pipe 204, and a sample collecting bottle 302 is arranged at one end of the second conduit 103.
When the device is used, the absorption liquid used in the sample collection bottle 302 is 0.1mol/L sulfuric acid solution, when the device is dried in the field, the base 306 is embedded into soil for 5cm, so that the lower part of the sampling cover 301 is sealed, the sampling cover 301 adopts a standard with the height of 90cm, the standard of the sampling cover 301 is divided into 60cm and 90cm, the air input pipe 207 is a rigid PVC pipe with the height of 2.0 m, the top and the side surfaces are open, the lower part is sealed, the buffer bottle 102, the sample collection bottle 302 and the background ammonia filter bottle 203 are washing gas bottles with two openings, one opening extends from the conduit to the bottom, and the other opening is close to the bottle mouth.
In order to provide aerodynamic force, a first conduit 104 is arranged between the vacuum pump 101 and the buffer bottle 102; when the device is used, the vacuum pump 101 is installed to operate and then serves as an aerodynamic source, and the operation is convenient and rapid.
In order to eliminate ammonia gas and water vapor in the air conveniently, soda lime 205 is arranged inside the vessel 201, a first connecting pipe 206 is arranged on one side of the vessel 201, an air input pipe 207 is arranged at one end of the first connecting pipe 206, and 0.5mol/L sulfuric acid solution is arranged inside the background ammonia filter bottle 203.
The air input pipe 207 is a sealed structure with an opening on the top and the side and a sealed structure on the bottom; during the use, the air is at first through to the household utensils 201, wherein, has soda lime 205 in the household utensils 201, then is convenient for eliminate the steam in the air, and the air after eliminating enters into background ammonia filter flask 203, then is convenient for utilize 0.5mol/L sulphuric acid solution in the background ammonia filter flask 203 to absorb the ammonia, then reduces the error of experiment.
In order to sample the ammonia gas, a first butt pipe 303 is arranged above the sample collecting bottle 302, and a second butt pipe 304 is arranged above the sampling cover 301.
A flow controller 305 is arranged between the first connecting pipe pair 303 and the second connecting pipe pair 304, and a base 306 is arranged below the sampling cover 301.
The sampling cover 301 has two specifications of 60cm and 90cm with different heights so as to meet the requirement of sampling of rice at different periods, and the lower part of the sampling cover 301 is sealed by the base 306 through water seal or embedding the sampling cover into soil for 5 cm; after the vacuum pump 101 is started, gas enters from the air input pipe 207, enters into the vessel 201 and the background ammonia filter bottle 203 respectively, water vapor and ammonia gas in the vessel are removed, the ammonia gas volatilized from the paddy soil is taken out through the sampling cover 301, the gas flow rate is obtained through the numerical value of the flow controller 305, the gas enters into the sample collection bottle 302, the ammonia gas in the sample collection bottle is fixed by absorption liquid, the sampling time is recorded for calculating the gas flux, and the sample collection bottle 302 is immediately taken into a test room for determination after the sampling is finished.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a paddy field ammonia sampling device that volatilizees which characterized in that: comprises that
The power mechanism (1) comprises a vacuum pump (101) and a buffer bottle (102) arranged on one side of the vacuum pump (101), and a second guide pipe (103) is connected above the buffer bottle (102);
the air exchange mechanism (2) comprises a purification assembly arranged on one side of the vacuum pump (101), the purification assembly comprises a vessel (201), a second connecting pipe (202) and a background ammonia filter bottle (203), the vessel (201) is connected with the background ammonia filter bottle (203) through the second connecting pipe (202), and a third connecting pipe (204) is arranged above the background ammonia filter bottle (203);
the sample collecting mechanism (3) comprises a sampling cover (301) at one end of a third connecting pipe (204), and a sample collecting bottle (302) is arranged at one end of the second guide pipe (103).
2. The ammonia volatilization sampling device for the rice field as claimed in claim 1, wherein: a first conduit (104) is arranged between the vacuum pump (101) and the buffer bottle (102).
3. The ammonia volatilization sampling device for the rice field as claimed in claim 1, wherein: the inside soda lime (205) that is equipped with of household utensils (201), household utensils (201) one side is equipped with first connecting pipe (206), first connecting pipe (206) one end is equipped with air input pipe (207), inside 0.5mol/L sulphuric acid solution that is equipped with of background ammonia filter flask (203).
4. The ammonia sampling device for rice field according to claim 3, wherein: the air input pipe (207) is in a top and side opening and bottom sealing structure.
5. The ammonia volatilization sampling device for the rice field as claimed in claim 1, wherein: a first butt joint pipe (303) is arranged above the sample collecting bottle (302), and a second butt joint pipe (304) is arranged above the sampling cover (301).
6. The ammonia volatilization sampling device for the rice field as claimed in claim 5, wherein: a flow controller (305) is arranged between the first butt joint pipe (303) and the second butt joint pipe (304), and a base (306) is arranged below the sampling cover (301).
7. The ammonia volatilization sampling device for the rice field as claimed in claim 6, wherein: the sampling cover (301) has two different height specifications of 60cm and 90cm so as to meet the requirement of sampling of rice at different periods, and the lower part of the sampling cover (301) is sealed by the base (306) through water seal or 5cm embedded in soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222374221.8U CN218212203U (en) | 2022-09-07 | 2022-09-07 | Rice field ammonia sampling device that volatilizees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222374221.8U CN218212203U (en) | 2022-09-07 | 2022-09-07 | Rice field ammonia sampling device that volatilizees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218212203U true CN218212203U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222374221.8U Active CN218212203U (en) | 2022-09-07 | 2022-09-07 | Rice field ammonia sampling device that volatilizees |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218212203U (en) |
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2022
- 2022-09-07 CN CN202222374221.8U patent/CN218212203U/en active Active
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