CN205067468U - Test device of former position -finding soil ammonia volatilization - Google Patents
Test device of former position -finding soil ammonia volatilization Download PDFInfo
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- CN205067468U CN205067468U CN201520841727.2U CN201520841727U CN205067468U CN 205067468 U CN205067468 U CN 205067468U CN 201520841727 U CN201520841727 U CN 201520841727U CN 205067468 U CN205067468 U CN 205067468U
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- ammonia volatilization
- acid solution
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Abstract
The utility model discloses a test device of former position -finding soil ammonia volatilization, including upper and lower hollow box and the case lid of lid on the box, be equipped with two holes on the box, one of them hole is connected with minipump through exhaust acidizing fluid absorbing device through acidizing fluid absorbing device and the outside air intercommunication of admitting air, another hole, and minipump is through battery powered. Compared with the prior art, the utility model discloses test device has open -close type seal cap, can inlay the crop in the middle of the box, is applicable to the survey of tall and big crop or the ammonia volatilization of crop growth later stage soil, secondly, the device uses minipump and battery powered, can go on in the place of non -transformer, does not receive topography, time limits, has convenient operation, removes advantages such as convenient, the third, the device can a plurality of concurrent operations, but save time and manpower.
Description
Technical field
The utility model relates to a kind of test unit of in-site detecting soil ammonia volatilization, belongs to soil ammonia volatilization in-site detecting technical field.
Background technology
After executing nitrogen, ammonia volatilization monitoring method has a lot, sums up and can be summarized as four classes: i.e. confined chamber method, interval venting method, micrometeorology mass balance approach and ammonia loss by volatilization modelling.Interval venting method is improvement to airtight method, it be with appropriate air-flow by the gas exchanges in closed container out, absorb the ammonia of volatilization through peracid absorbing liquid, the ammonia then in quantitative measurement acid absorbing liquid.Interval venting method can be used for simulation laboratory test and also can be used on the small-sized obturator in field.Be generally be buried in the earth with bottomless steel cylinder, glass container or hard plastic barrel in field, container fill a glass cover able to turn on or off.After fertilising, handle assembly is contained in field immediately, the gas of the inside is extracted with vacuum pump, open gas admittance valve, control gas exchange rate with air meter while bleeding after certain hour, allow the gas extracted out absorbed by acid solution inside the ammonia that volatilizes.The method can be good at the ammonia volatilization of monitoring soil generation, but the vacuum pump that the method uses needs 220V power supply, cannot use in the place of non-transformer supply; Secondly for ridging farmland or tall and big crop, device volume is handled easily more very much not.
Utility model content
The technical problems to be solved in the utility model is: the test unit providing a kind of in-site detecting soil ammonia volatilization, this test unit small volume, available 12V lithium battery power supply, have easy to operate, mobile convenient, can use in non-transformer area, by the advantage such as restriction of landform, time, crop, can the deficiencies in the prior art be overcome.
The technical solution of the utility model: a kind of test unit of in-site detecting soil ammonia volatilization, the casing comprising upper and lower hollow and the case lid be placed on casing, casing is provided with two holes, one of them hole is communicated with extraneous air by air inlet acid solution absorption plant, another hole is connected with minipump by exhaust acid solution absorption plant, and minipump passes through powered battery.
The closed air inlet test tube that described air inlet acid solution absorption plant comprises draft tube, bottom fills acid solution and gas piping, wherein gas piping one end is communicated with one of them hole on casing, the other end and closed air inlet in vitro upper air are communicated with, and are provided with the draft tube be communicated with extraneous air bottom closed air inlet test tube in acid solution.
The closed exhaust test tube that described exhaust acid solution absorption plant comprises gas outlet, bottom fills acid solution and exhaust tube, wherein gas outlet one end is communicated with another hole on casing, the other end inserts bottom closed exhaust test tube in acid solution, and closed exhaust test tube upper air is connected with minipump by exhaust tube.
Described battery is 12V lithium battery, has with low cost, and the advantage such as be easy to carry about with one.
Two holes on described casing are arranged in casing two tiltedly offside, and this kind of structure is convenient to the discharge measurement of air.
Described case lid is opening and closing type case lid, opening and closing type case lid comprises two pieces of transparent panels, wherein two pieces of transparent panels are linked together by sealing strip and snap close, and at the connecting portion of two pieces of transparent panels, the circular silica gel foamed board of two halves being also installed, the circular silica gel foamed board of described two halves is arranged on the middle part that two transparent panels connect.The case lid of this kind of structure has structure simply, easy to operate advantage.
Length × wide × the height of described casing is 40cm × 30cm × 30cm.
Compared with prior art, the utility model test unit has open-close type top pressure closure, can be embedded in the middle of casing by crop, is applicable to the mensuration of tall and big crop or plant growth later stage soil ammonia volatilization; The advantages such as secondly, this device uses minipump and powered battery, can carry out in power free place, not by landform, time restriction, has easy to operate, mobile convenient; Its three, this device can multiplely operate simultaneously, can save time and manpower.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of case lid;
Fig. 3 is the structural representation of casing;
Fig. 4 is the structural representation of air inlet acid solution absorption plant;
Fig. 5 is the structural representation of exhaust acid solution absorption plant.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
As Fig. 2, adopt PVC or transparent organic glass to make the transparent panels 24 of two sealings, the semicircle silica gel foamed board 23 of middle 1.5cm seals, and two transparent panels 24 carry out being connected with snap close 21 with sealing strip 22 and obtain case lid 2.
As Fig. 3, employing PVC or transparent organic glass make the casing 1 that length × wide × height is 40cm × 30cm × 30cm, up and down hollow, offer two holes at two oblique offsides of casing 1.
As Fig. 4, the closed air inlet test tube 4 that air inlet acid solution absorption plant comprises draft tube 5, bottom fills acid solution and gas piping 3, wherein draft tube 5 one end is communicated with extraneous air, the other end inserts in the acid solution bottom closed air inlet test tube 4, and the upper air of closed air inlet test tube 4 is communicated with gas piping 3 one end.
As Fig. 5, the closed exhaust test tube 7 that exhaust acid solution absorption plant comprises gas outlet 6, bottom fills acid solution and exhaust tube 8, wherein the discharge port of gas outlet 6 is inserted in the acid solution bottom closed exhaust test tube 7, and the upper air of closed exhaust test tube 7 is connected with minipump 9 by exhaust tube 8.
The other end of aforementioned gas piping 3 as shown in Figure 1, is connected with one of them hole on casing 1 by assembling, be connected with another hole on casing 1 by the other end of aforementioned gas outlet 6, above two Kong Junyong rubber plugs block sealing, are fastened on casing 1 by case lid 2.
During mensuration, embed in ridge by casing 1, crop is embedded in the centre of case lid 2, ensures that casing is air tight.Minipump 9 connects battery, and wherein battery adopts 12V lithium battery.Air in such casing 1 is absorbed by ammonia during acid solution, and the air acid solution of end is filtered, and ensures that the gas entered is not containing ammonia.Through the content of ammonia in acid solution can be measured after a period of time.After mensuration completes, casing 1 is retained in soil, is opened by case lid 2, and the rubber plug of casing 1 both sides is extracted, and rainfall is flowed out in casing 1, ensures that casing 1 internal and external environment is consistent.
Claims (9)
1. the test unit of an in-site detecting soil ammonia volatilization, the casing (1) comprising upper and lower hollow and the case lid (2) be placed on casing (1), it is characterized in that: on casing (1), be provided with two holes, one of them hole is communicated with extraneous air by air inlet acid solution absorption plant, another hole is connected with minipump (9) by exhaust acid solution absorption plant, and minipump (9) passes through powered battery.
2. the test unit of in-site detecting soil ammonia volatilization according to claim 1, it is characterized in that: the closed air inlet test tube (4) that described air inlet acid solution absorption plant comprises draft tube (5), bottom fills acid solution and gas piping (3), wherein gas piping (3) one end is communicated with one of them hole on casing (1), the other end and closed air inlet test tube (4) internal upper part air communication, be provided with the draft tube (5) be communicated with extraneous air in the acid solution of closed air inlet test tube (4) bottom.
3. the test unit of in-site detecting soil ammonia volatilization according to claim 1, it is characterized in that: the closed exhaust test tube (7) that described exhaust acid solution absorption plant comprises gas outlet (6), bottom fills acid solution and exhaust tube (8), wherein gas outlet (6) one end is communicated with another hole on casing (1), the other end inserts in the acid solution of closed exhaust test tube (7) bottom, and closed exhaust test tube (7) upper air is connected with minipump (9) by exhaust tube (8).
4. the test unit of in-site detecting soil ammonia volatilization according to claim 1, is characterized in that: described battery is 12V lithium battery.
5. the test unit of in-site detecting soil ammonia volatilization according to claim 1, is characterized in that: two holes on described casing (1) are arranged in casing two tiltedly offside.
6. the test unit of in-site detecting soil ammonia volatilization according to claim 1, is characterized in that: described case lid (2) is opening and closing type case lid.
7. the test unit of in-site detecting soil ammonia volatilization according to claim 6, it is characterized in that: described opening and closing type case lid comprises two pieces of transparent panels (24), wherein two pieces of transparent panels are linked together by sealing strip (22) and snap close (21), and are also provided with circular silica gel foamed board (23) of two halves at the connecting portion of two pieces of transparent panels (24).
8. the test unit of in-site detecting soil ammonia volatilization according to claim 7, is characterized in that: described two pieces of semicircle silica gel foamed boards (23) are arranged on the middle part that two pieces of transparent panels (24) connect.
9. the test unit of in-site detecting soil ammonia volatilization according to claim 1, is characterized in that: the length × wide × height of described casing (1) is 40cm × 30cm × 30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520841727.2U CN205067468U (en) | 2015-10-28 | 2015-10-28 | Test device of former position -finding soil ammonia volatilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520841727.2U CN205067468U (en) | 2015-10-28 | 2015-10-28 | Test device of former position -finding soil ammonia volatilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205067468U true CN205067468U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520841727.2U Expired - Fee Related CN205067468U (en) | 2015-10-28 | 2015-10-28 | Test device of former position -finding soil ammonia volatilization |
Country Status (1)
| Country | Link |
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| CN (1) | CN205067468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-10-28 CN CN201520841727.2U patent/CN205067468U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20161028 |