CN205192814U - Gaseous collection system in paddy field - Google Patents
Gaseous collection system in paddy field Download PDFInfo
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- CN205192814U CN205192814U CN201520987814.9U CN201520987814U CN205192814U CN 205192814 U CN205192814 U CN 205192814U CN 201520987814 U CN201520987814 U CN 201520987814U CN 205192814 U CN205192814 U CN 205192814U
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- plenum chamber
- paddy field
- collecting device
- gas
- gas collecting
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Abstract
The utility model relates to a gaseous collection system in paddy field, including being used for inserting support body, the plenum chamber in paddy field, the tube -shape thing of plenum chamber for having open end, blind end, be provided with the supporting platform who is used for the open end of support set gas tank who submerges below the water layer predetermined value on the support body, the blind end of plenum chamber exposes the water layer, the blind end of plenum chamber is provided with and is used for gathering the interior gaseous suction mechanism of plenum chamber. This gaseous collection system in paddy field can realize carrying out gas collection to the plant in the paddy field, simple structure, and gaseous sample is accurate reliable.
Description
Technical field
The utility model relates to a kind of paddy field gas collecting device, the static gas production of the closed that the gas particularly produced plant, soil in the system of paddy field carries out.
Background technology
The main cause of global warming is that atmospheric greenhouse gas concentration rises.Agricultural is the third-largest emission sources of greenhouse gases.The carbon dioxide of 30%, the methane of 70% and 90% nitrous oxide come from Agro-ecological System.Methane is one of the fastest gas that gathers way in air, and its main source in Agro-ecological System is the rice field of waterflooding, swampland and prairie soil.The burst size of the methane that rice field, the whole world is annual reaches 0.6-1.4 × 10
8ton, wet grassland and marsh burst size reach 0.4-1.6 × 10
8ton.The main source of nitrous oxide is soil, and wherein agricultural soil about discharges 3 × 10 every year
6ton, natural soils are 6 × 10
6ton.The radiation warming effect of methane and nitrous oxide is 25 times and 296 times of carbon dioxide respectively, is very important greenhouse gases.To the monitoring of Agro-ecological System greenhouse Gas Emission with follow the tracks of, specifying its discharge capacity in different Agricultural Activities processes, is the prerequisite formulating reduction of greenhouse gas discharge measure, also for the decision-making of government department provides data.The weak point that now widely used gas collecting device exists is: conventional plenum chamber mostly is square, and contact is many, does not slightly notice that seam crossing easily leaks gas in use procedure; Conventional causes disturbance to soil and plant environment, spoiled soil structure and vegetation without the direct insertion gas collecting device of base is in use easy, injury root system of plant, the accuracy of impact experiment.
Utility model content
In view of the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of paddy field gas collecting device.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of paddy field gas collecting device, comprise the support body for inserting paddy field, plenum chamber, described plenum chamber is the tubular article with openend, blind end, described support body is provided with the support platform of the openend for support set gas tank of below water layer predetermined value of submerging, the blind end of described plenum chamber exposes water layer, and the blind end of described plenum chamber is provided with the aspirating mechanism for gathering gas in plenum chamber.
Preferably, described support body comprises the upright steel pin for inserting paddy field that at least three are positioned at bottom, also comprises the retainer plate for inserting the inner fixed set gas tank of plenum chamber being positioned at top.
Preferably, described support platform is support, and described support submerges water layer 2-3cm.
Preferably, the blind end of described plenum chamber is provided with the cloth for closed plenum chamber end, through regulating steel ring to be connected between described cloth and plenum chamber perimembranous.
Preferably, described cloth is Teflon cloth, and described plenum chamber is one-time formed cylindric without seam plenum chamber.
Preferably, described aspirating mechanism comprises the blind end piercing through plenum chamber and the body be communicated with plenum chamber inside, described body is connected with proofed sleeve, described proofed sleeve is provided with tongs.
Preferably, described aspirating mechanism also comprises the syringe gathering gas in plenum chamber for thrusting proofed sleeve top layer.
Preferably, described body is become insert group with syringe by syringe nozzle in plenum chamber with inside and outside carrying out outside plenum chamber, and the end of described proofed sleeve is bending.
Preferably, the quantity of described tongs is two, and the position of described tongs is apart from proofed sleeve 20-30cm place.
Preferably, also comprise that to be positioned at plenum chamber inner for stirring the fan that plenum chamber gas makes it mix.
Compared with prior art, the utility model has following beneficial effect: the plenum chamber of this device is one-time formed cylindric plenum chamber, and whole plenum chamber does not have seam, avoids the possibility of seam crossing gas leakage; The support body that this device adopts can several days or several weeks before plant does not also grow up or before using in advance by support body cloth at gas production point, the accuracy causing and the disturbance of plant, soil environment is affected to gaseous sample of temporarily layouting when can remove gas production from; The blind end of the plenum chamber of this device blocks the sealing of Teflon cloth with adjustment steel ring, and entirety is comparatively slim and graceful, is convenient to field operation; This apparatus cost is cheap, can change at any time, changes formality simple, avoids using old device to affect gas production quality; Small fan stirs gas in plenum chamber, makes it more even; According to gathered gaseous sample feature, the plenum chamber of unlike material can be selected.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is the organigram of the utility model embodiment.
In figure: 1-support body, 2-plenum chamber, 3-water layer, 4-support platform, 5-aspirating mechanism, the upright steel pin of 6-, 7-retainer plate, 8-regulates steel ring, 9-Teflon cloth, 10-body, 11-proofed sleeve, 12-tongs, 13-syringe, 14-plant.
Embodiment
For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below.
As shown in Figure 1, a kind of paddy field gas collecting device, comprise the support body 1 for inserting paddy field, plenum chamber 2, described plenum chamber is for having openend, the tubular article of blind end, described support body is provided with the support platform 4 of the openend for support set gas tank of below water layer 3 predetermined value of submerging, form water seal, extraneous air is avoided to enter plenum chamber, the blind end of described plenum chamber exposes water layer, the blind end of described plenum chamber is provided with the aspirating mechanism 5 for gathering gas in plenum chamber, plenum chamber can according to the different characteristics of gathered gas, replace with acrylic pipe or other material pipes.
In the utility model embodiment, described support body comprises the upright steel pin 6 for inserting paddy field that at least three are positioned at bottom, and length is 30cm, also comprises the retainer plate 7 for inserting the inner fixed set gas tank of plenum chamber being positioned at top.
In the utility model embodiment, plenum chamber adopts wall thickness to be the pmma material of 5mm, and its internal diameter is 240mm, is highly 800mm.
In the utility model embodiment, described support platform is support, and described support submerges water layer 2-3cm.
In the utility model embodiment, the blind end of described plenum chamber is provided with the cloth for closed plenum chamber end, through regulating steel ring 8 to be connected between described cloth and plenum chamber perimembranous.
In the utility model embodiment, described cloth is Teflon cloth 9, and described plenum chamber is one-time formed cylindric without seam plenum chamber.
In the utility model embodiment, described aspirating mechanism comprises the blind end piercing through plenum chamber and the body 10 be communicated with plenum chamber inside, described body is connected with proofed sleeve 11, described proofed sleeve is provided with tongs 12.
In the utility model embodiment, described aspirating mechanism also comprises the syringe 13 gathering gas in plenum chamber for thrusting proofed sleeve top layer.
In the utility model embodiment, described body is become insert group with syringe by syringe nozzle in plenum chamber with inside and outside carrying out outside plenum chamber, and the end of described proofed sleeve is bending.
In the utility model embodiment, the quantity of described tongs is two, and the position of described tongs is apart from proofed sleeve 20-30cm place.
In the utility model embodiment, also comprise and be positioned at plenum chamber inside for stirring the fan that plenum chamber gas makes it mix, insert a small bamboo in plant 14 stem (liftoff 20-30cm), fan is driven by dry cell and is fixed on bamboo pole, improves the representativeness of gaseous sample.
In the utility model embodiment, when needing gas production, the openend of plenum chamber is inserted support platform, its openend is submerged water layer 2-3cm, seal to keep plenum chamber, cut off the gas exchanges of gas sample and outside atmosphere, make breathing and the soil escaping gas of only depositing plant in plenum chamber; Open the fan be positioned at bottom plenum chamber, make it slowly run, so just can, by the gas moderate agitation in plenum chamber, gas in plenum chamber be mixed as far as possible, gas be got by the proofed sleeve that only syringe need be punctured when gas production, for detection.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw other various forms of paddy fields gas collecting devices under enlightenment of the present utility model.All equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (10)
1. a paddy field gas collecting device, it is characterized in that: comprise the support body for inserting paddy field, plenum chamber, described plenum chamber is the tubular article with openend, blind end, described support body is provided with the support platform of the openend for support set gas tank of below water layer predetermined value of submerging, the blind end of described plenum chamber exposes water layer, and the blind end of described plenum chamber is provided with the aspirating mechanism for gathering gas in plenum chamber.
2. paddy field according to claim 1 gas collecting device, is characterized in that: described support body comprises the upright steel pin for inserting paddy field that at least three are positioned at bottom, also comprises the retainer plate for inserting the inner fixed set gas tank of plenum chamber being positioned at top.
3. paddy field according to claim 1 gas collecting device, is characterized in that: described support platform is support, and described support submerges water layer 2-3cm.
4. paddy field according to claim 1 gas collecting device, is characterized in that: the blind end of described plenum chamber is provided with the cloth for closed plenum chamber end, through regulating steel ring to be connected between described cloth and plenum chamber perimembranous.
5. paddy field according to claim 4 gas collecting device, is characterized in that: described cloth is Teflon cloth, and described plenum chamber is one-time formed cylindric without seam plenum chamber.
6. paddy field according to claim 1 gas collecting device, is characterized in that: described aspirating mechanism comprises the blind end piercing through plenum chamber and the body be communicated with plenum chamber inside, described body is connected with proofed sleeve, described proofed sleeve is provided with tongs.
7. paddy field according to claim 6 gas collecting device, is characterized in that: described aspirating mechanism also comprises the syringe gathering gas in plenum chamber for thrusting proofed sleeve top layer.
8. paddy field according to claim 6 gas collecting device, is characterized in that: described body is become insert group with syringe by syringe nozzle in plenum chamber with inside and outside carrying out outside plenum chamber, and the end of described proofed sleeve is bending.
9. paddy field according to claim 6 gas collecting device, is characterized in that: the quantity of described tongs is two, and the position of described tongs is apart from proofed sleeve 20-30cm place.
10. paddy field according to claim 1 gas collecting device, is characterized in that: also comprise and be positioned at plenum chamber inside for stirring the fan that plenum chamber gas makes it mix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520987814.9U CN205192814U (en) | 2015-12-03 | 2015-12-03 | Gaseous collection system in paddy field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520987814.9U CN205192814U (en) | 2015-12-03 | 2015-12-03 | Gaseous collection system in paddy field |
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| Publication Number | Publication Date |
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| CN205192814U true CN205192814U (en) | 2016-04-27 |
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| CN201520987814.9U Active CN205192814U (en) | 2015-12-03 | 2015-12-03 | Gaseous collection system in paddy field |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248909A (en) * | 2016-09-23 | 2016-12-21 | 北京林业大学 | The monitoring device of a kind of Simulated Wetland ecosystem greenhouse gases and using method thereof |
| CN108072548A (en) * | 2016-11-16 | 2018-05-25 | 中国科学院沈阳应用生态研究所 | A kind of plant VOCs gas collecting devices |
| CN109030120A (en) * | 2018-07-16 | 2018-12-18 | 阜阳师范学院 | Plant metabolism discharges imflammable gas collection and detection device |
-
2015
- 2015-12-03 CN CN201520987814.9U patent/CN205192814U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248909A (en) * | 2016-09-23 | 2016-12-21 | 北京林业大学 | The monitoring device of a kind of Simulated Wetland ecosystem greenhouse gases and using method thereof |
| CN108072548A (en) * | 2016-11-16 | 2018-05-25 | 中国科学院沈阳应用生态研究所 | A kind of plant VOCs gas collecting devices |
| CN109030120A (en) * | 2018-07-16 | 2018-12-18 | 阜阳师范学院 | Plant metabolism discharges imflammable gas collection and detection device |
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