CN112595563A - Rice methane collection device - Google Patents
Rice methane collection device Download PDFInfo
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- CN112595563A CN112595563A CN202011499934.6A CN202011499934A CN112595563A CN 112595563 A CN112595563 A CN 112595563A CN 202011499934 A CN202011499934 A CN 202011499934A CN 112595563 A CN112595563 A CN 112595563A
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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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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a rice methane collecting device, which comprises a hollow collecting device body, wherein the bottom of the collecting device body is provided with an opening, the top of the collecting device body is provided with a gas collecting tank, the gas collecting tank is communicated with the inside of the collecting device body, the gas collecting tank is provided with an air extracting device and an air outlet pipe, the air extracting device comprises an air extracting pipe, the air extracting pipe is provided with a first air valve and an air pump, the air pump is connected with a controller, the air outlet pipe is provided with a second air valve, a rubber hose is arranged at the outlet of the air outlet pipe, the bottom of the collecting device body is provided with a fixing device, the fixing device comprises a first upright post, a second upright post and a third upright post, the first upright post, the second upright post and the third upright post are fixedly connected with the collecting device body, the device has a simple structure, is convenient to, the methane gas is convenient to take and use.
Description
Technical Field
The invention relates to the technical field of collecting equipment, in particular to a rice methane collecting device.
Background
In the research of methane gas generated by rice in different growth periods, the methane generated by the rice needs to be collected on the spot in a paddy field, the environment in the paddy field is relatively complex, the methane gas generated by the rice is difficult to collect, the demand is small, no special collecting tool is produced by a manufacturer at present, a simple self-made tool is often used for collecting the methane gas of the rice in scientific research, and many problems occur in the use, such as the fixing problem of the position of a device and the air tightness problem cannot be solved.
The current collecting device for generating methane gas from rice is simple in structure and inconvenient to use, and the device has irreproducibility and poor service performance, and the accuracy of methane gas collection is influenced.
However, in the prior art, the collection of the methane gas generated by the rice is usually only collected by using a simple water pipe during the test, so that the gas is easy to leak and is mixed with the external space, the test data has large error, and the collection device is inconvenient to carry and install and the collected methane gas is not easy to take out, so that the collection device has a simple structure and is convenient for collecting the methane gas generated by the rice.
Disclosure of Invention
The invention aims to provide a rice methane collecting device which is simple in structure, convenient to use and operate, good in air tightness and convenient to take methane gas.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a rice methane collection device, includes hollow collection device body, the bottom of collection device body is equipped with the opening, the top of collection device body is equipped with the gas collecting tank, the gas collecting tank with the collection device body is inside to communicate with each other, be equipped with air exhaust device and outlet duct on the gas collecting tank, air exhaust device includes the exhaust tube, be equipped with first pneumatic valve and air pump on the exhaust tube, the air pump is connected with the controller, be equipped with the second pneumatic valve on the outlet duct, the exit of outlet duct is equipped with flexible rubber hose, the bottom of collection device body is equipped with fixing device, fixing device includes first stand, second stand and third stand, first stand, second stand, third stand with collection device body fixed connection.
Preferably, an included angle between the first upright column, the second upright column and the third upright column is 120 degrees.
Preferably, the collecting device body is of a cylindrical structure.
Preferably, the collecting device body comprises a bottom circle at the bottom, and the cross section of the collecting device body in the vertical direction passing through the center of the bottom circle is trapezoidal.
Preferably, the top of the gas collecting tank is also provided with a horizontal sensor, and the horizontal sensor is connected with the controller.
Preferably, a buzzer is arranged on the controller.
Preferably, the collecting device body and the collecting tank are made of transparent plastics.
Preferably, the collecting device body and the gas collecting tank are in threaded connection.
Adopt above-mentioned technical scheme, owing to be equipped with collection device body and gas collection tank for methane collection device can collect the methane gas that the rice produced, owing to be equipped with air exhaust device, makes methane collection device can get rid of the gas of collecting.
Drawings
FIG. 1 is a schematic structural view of a rice methane collection device according to the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in figure 1, the structure schematic diagram of a rice methane collection device comprises a hollow collection device body 1, an opening is arranged at the bottom of the collection device body 1, the collection device body 1 is used for isolating rice plants collected by experimental methane gas, the opening arranged at the bottom of the collection device body is used for allowing the rice plants to pass through, a gas collecting tank 2 is arranged at the top of the collection device body 1, the gas collecting tank 2 is communicated with the inside of the collection device body 1, an air extractor and a gas outlet pipe 4 are arranged on the gas collecting tank 2, the air extractor is used for realizing active external gas delivery and conveying the methane gas to an experimental container, the gas outlet pipe 4 is used for actively extracting gas from the outside, a rubber hose is arranged at the outlet of the gas outlet pipe 4, an injector is selected for air extraction during air extraction, the rubber hose can ensure the air tightness of the device, the air extractor comprises an air, the air pump 5 is connected with the controller, the air outlet pipe 4 is provided with a second air valve 8, a rubber hose is arranged at an outlet of the air outlet pipe 4, the bottom of the collecting device body 1 is provided with a fixing device, an experiment is carried out in the field, the fixing device can enable the rice methane collecting device to keep a determined position, methane gas can be better collected, and the condition that the rice methane collecting device is communicated with the outside is avoided, the fixing device comprises a first upright post 3, a second upright post 9 and a third upright post 10, the first upright post 3, the second upright post 9 and the third upright post 10 are fixedly connected with the collecting device body 1, and when the device is used, the first upright post 3, the second upright post 9 and the third upright post 10 are inserted into water until the bottom of the collecting device body 1 is completely submerged in water fields or completely submerged in paddy fields; the included angles between the adjacent first upright post 3, the second upright post 9 and the third upright post 10 are uniformly distributed at 120 degrees, so that the device is more stable and reliable; the collecting device body 1 is of a cylindrical structure; the collecting device body 1 comprises a bottom circle positioned at the bottom, the cross section of the collecting device body 1 in the vertical direction passing through the center of the bottom circle is trapezoidal, the collecting device body 1 is in a shape with a small upper part and a large lower part, the structure is more stable, and rice can better penetrate through the collecting device body 1 when the collecting device is used; the top of the gas collecting tank 2 is also provided with a horizontal sensor, the horizontal sensor is used for sensing whether the bottom of the collecting device body 1 is flat or not, if the bottom is not flat, the gas collecting tank 2 can be communicated with the outside, so that air is mixed into the gas collecting tank, and the horizontal sensor is connected with a controller; the controller is provided with a buzzer, and the buzzer is used for alarming when the vehicle is uneven; the collecting device body 1 and the collecting tank 2 are made of transparent plastics, the transparent plastics are light in weight and convenient to carry, and the condition of rice inside the collecting device body can be seen; this 1 bodies of collection device and gas collection tank 2 are threaded connection, and threaded connection is convenient reliable, and the device carries more easily.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (8)
1. A rice methane collection device which characterized in that: including hollow collection device body, the bottom of collection device body is equipped with the opening, the top of collection device body is equipped with the gas collecting tank, the gas collecting tank with the collection device body is inside to communicate with each other, be equipped with air exhaust device and outlet duct on the gas collecting tank, air exhaust device includes the exhaust tube, be equipped with first pneumatic valve and air pump on the exhaust tube, the air pump is connected with the controller, be equipped with the second pneumatic valve on the outlet duct, the exit of outlet duct is equipped with flexible rubber hose, the bottom of collection device body is equipped with fixing device, fixing device includes first stand, second stand and third stand, first stand, second stand, third stand with collection device body fixed connection.
2. The rice methane collection device according to claim 1, wherein: the included angle between the first upright column, the second upright column and the third upright column which are adjacent is 120 degrees.
3. The rice methane collection device according to claim 1, wherein: the collecting device body is of a cylindrical structure.
4. A rice methane collection device according to claim 1 or 3, wherein: the collecting device body comprises a bottom circle positioned at the bottom, and the cross section of the collecting device body in the vertical direction passing through the circle center of the bottom circle is trapezoidal.
5. The rice methane collection device according to claim 1, wherein: the top of the gas collection tank is also provided with a horizontal sensor, and the horizontal sensor is connected with the controller.
6. The rice methane collection device according to claim 5, wherein: and the controller is provided with a buzzer.
7. The rice methane collection device according to claim 1, wherein: the collecting device body and the collecting tank are made of transparent plastics.
8. The rice methane collection device according to claim 1, wherein: the collecting device body and the gas collecting tank are in threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011499934.6A CN112595563A (en) | 2020-12-17 | 2020-12-17 | Rice methane collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011499934.6A CN112595563A (en) | 2020-12-17 | 2020-12-17 | Rice methane collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112595563A true CN112595563A (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011499934.6A Pending CN112595563A (en) | 2020-12-17 | 2020-12-17 | Rice methane collection device |
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| Country | Link |
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| CN (1) | CN112595563A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338112A (en) * | 2023-05-31 | 2023-06-27 | 东北农业大学 | Rice field methane emission detection control device and method |
-
2020
- 2020-12-17 CN CN202011499934.6A patent/CN112595563A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338112A (en) * | 2023-05-31 | 2023-06-27 | 东北农业大学 | Rice field methane emission detection control device and method |
| CN116338112B (en) * | 2023-05-31 | 2023-08-15 | 东北农业大学 | Rice field methane emission detection control device and method |
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