CN209485907U - One kind discharging automatic monitor for continuously device for lake and reservoir methane bubble - Google Patents
One kind discharging automatic monitor for continuously device for lake and reservoir methane bubble Download PDFInfo
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- CN209485907U CN209485907U CN201821654193.2U CN201821654193U CN209485907U CN 209485907 U CN209485907 U CN 209485907U CN 201821654193 U CN201821654193 U CN 201821654193U CN 209485907 U CN209485907 U CN 209485907U
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- methane bubble
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Abstract
The utility model discloses one kind to discharge automatic monitor for continuously device for lake and reservoir methane bubble, and wherein device mainly includes control chamber, tolerance record axis and upside down funnel；The opening of upside down funnel is placed in below tolerance record axis, and tolerance records axle position above upside down funnel, below control chamber；Tolerance records axis and control chamber, upside down funnel are interconnected and coincide to outside sealing.After methane bubble is collected by upside down funnel, assemble in tolerance record axis, by the collection of the variation control methane bubble of floating installation, the rate of release of methane bubble is calculated by control cavity pressure variation.New device provided by the utility model, funnel is inverted in lake and reservoir water body, it can freely be fluctuated with fluctuation in stage by flotation gear control, for collecting methane bubble, the effect of tolerance records the collection and measurement of axis and control chamber Cooperation controlling methane bubble, realizes the release of automatic monitor for continuously methane bubble.
Description
Technical field
The utility model relates to a kind of devices of continuous automatic measurement water body methane bubble rate of release, belong to water body methane
Bubble rate of release measures field.
Background technique
In recent years, climate warming results in the Extreme Weather Events such as arid, flood, hurricane and takes place frequently.Methane bubble is as
Two big methane bubbles are to the contributions of greenhouse effects up to 20%.Natural water body be considered as methane bubble release main source it
One.By taking lake as an example, methane bubble discharge amount be 8~48Tg/yr, the 6~16% of Zhan Quanqiu total volume.Currently, about water
Body methane bubble release related fields has become for research hotspot both domestic and external.
Solubility of the methane bubble in water body is lower, and when water temperature is 20 DEG C, solubility is only 1.6mol m-3.Therefore,
When deposit generate a large amount of methane bubbles when, other than can be by spreading this conventional route, can also by bubble this
One is special by way of discharging into atmosphere.Methane bubble discharges approach difference, and generated influence has differences.If methane bubble
It is discharged with diffusion mode, the influence generated is relatively small, this is because diffused methane bubble is by way of overlying water process
In, oxidation consumption is easily aoxidized by methane bubble.Therefore, research is distinguished with important to diffused and air bubble type methane gas bubble
Meaning.
Water body air bubble type methane bubble release iron generallys use the measurement of upside down funnel method: funnel is inverted in underwater,
The bubble for collecting deposit release collects methane bubbles volume in gas by analysis, obtains air bubble type methane bubble release iron.
Diffused methane bubble release iron generallys use gas tank method: placing the cabinet that a top is hollow and seals in water surface, leads to
Timing sampling, analysis are crossed, methane bubble concentration rate of change in cabinet is obtained, to learn methane bubble rate of release.In reality
In the application of border, gas tank method acquisition time is shorter, and interference when gas analysis by other gases is stronger, is not easy to obtain lake and reservoir methane
The practical rate of release of bubble, seriously affects power Developments, needs to develop a kind of release of long term monitoring methane bubble
Device, first is that the available methane bubble rate of release for more meeting natural situation obtains not first is that long term monitoring can be carried out
With the variation of methane bubble rate of release under the operating condition period.
Utility model content
Goal of the invention: the purpose of this utility model is to provide one kind to discharge automatic monitor for continuously for lake and reservoir methane bubble
Device controls the collection of methane bubble by floating installation, and the rate of methane bubble release is measured by tolerance recorder, is reached
The purpose of automatic monitor for continuously.
Technical solution: to achieve the above objectives, the present invention adopts the following technical solutions:
One kind discharging automatic monitor for continuously device, including control chamber, tolerance record axis and inversion for lake and reservoir methane bubble
Funnel；The opening of the upside down funnel is placed in below tolerance record axis, and tolerance record axis bottom is located at upside down funnel top,
Top is located at control chamber bottom；The tolerance record axis and control chamber, upside down funnel are interconnected and coincide to outside sealing；Institute
It states and is equipped with floating installation inside tolerance record axis, the control chamber is equipped with tolerance recorder and gas coutrol valve, the floating
When device is located at floating range bottom in tolerance record axis, the gas coutrol valve is opened, and the floating installation is located at tolerance note
When recording in axis at the top of floating range, the gas coutrol valve is closed.
Preferably, the open bottom edge of the upside down funnel and the vertical range of the bottom margin of tolerance record axis are
0.4~0.6m, funnel opening diameter are 1.0~1.2m.
Preferably, the tolerance record axis is cylindrical shape, tolerance records the axis axis of axis and control chamber, upside down funnel
Line is completely coincident.
Preferably, tolerance record axis making material is smooth organic glass, tolerance record shaft length be 0.3~
0.5m, diameter are 3.0~3.2cm.
Preferably, being equipped with upper gasket at the top of the floating range of floating installation in the tolerance record axis, bottom is equipped with
Lower gasket, the upper gasket and lower gasket are electrically connected with the gas coutrol valve respectively, and the floating installation is equipped with
It can make the electric installation of closing of circuit in upper gasket or lower gasket.
Preferably, the control chamber be it is cylindric, diameter is about 0.1~0.2m, is highly 5~6cm.
Preferably, the floating route of the floating installation is controlled by several non-conductive silk threads.
Preferably, being equipped with flotation gear above the control chamber.
Preferably, being uniformly arranged in the circumferential direction between the opening and control chamber of the upside down funnel, tolerance record axis several
Fixed column.
The utility model has the advantages that a kind of lake and reservoir methane bubble that is used for provided by the utility model discharges automatic monitor for continuously device,
On the basis of original upside down funnel collection device, floating control device is devised, changes the collection of methane bubble certainly with tolerance
Dynamic regulation, realizes the long-term automatic continuous collection of methane bubble.
Detailed description of the invention
Fig. 1 is the device the schematic diagram of the section structure of the utility model embodiment.
In figure, 1- flotation gear, 2- gas coutrol valve (air valve), 3- tolerance recorder, 4- control chamber, 51,52- gasket,
6- tolerance records axis, 7- floating installation, 8- upside down funnel.
Fig. 2 is the gasket device overlooking structure diagram of the utility model embodiment.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and examples.
As shown in Figure 1, one kind disclosed in the utility model embodiment discharges automatic monitor for continuously for lake and reservoir methane bubble
Funnel 8 is vertically inverted in 6 lower section of tolerance record axis by device, and upside down funnel 8 is mainly used for collecting the methane gas discharged in lake and reservoir
Bubble, 0.4~0.6m of vertical height, open diameter about 1m, when collecting gas, the bottom level of upside down funnel 8 is placed in lake and reservoir reality
Test region；Tolerance record axis 6 is located at 8 top of upside down funnel, 4 lower section of control chamber, and tolerance record axis 6 is mainly used for the methane of release
The quantitative collection of bubble, length are generally 0.3~0.5m, diameter about 3cm, and when installation, inside installation floating installation 7, float dress
It sets 7 floating range to be controlled by gasket 51,52, the floating route of floating installation 7 is controlled by 3 non-conductive smooth filaments, is guaranteed
Floating installation 7 does not tilt, and conductive material is installed on 7 top of floating installation, guarantees that conductive material does not connect in location free procedure with water body
Touching；Gasket 51 is placed in control chamber and tolerance record axis, gasket 52 are placed between tolerance record axis and upside down funnel, and gasket is close except having
It seals outside external environment function, is also equipped with electric installation, as the floating control external switch of floating installation 7 carries out the collection of gas
With release；Control chamber 4 is placed in tolerance record 6 top of axis, cylindric, diameter about 0.1m, height about 5cm.Control chamber 4 is mainly used for
Tolerance collects the regulation of process and record, top are equipped with flotation gear 1 (such as floating ball), tolerance recorder 3, gas coutrol valve 2,
Flotation gear 1 can guarantee whole device at any time as the rise whereabouts of reservoir level is floated, and tolerance recorder 3 itself is equipped with
Built-in power can monitor the gas pressure intensity variation in tolerance record axis and in water body environment at any time, be recorded inside axis 6 by tolerance
Difference between outside body of water air pressure can calculate the inner volume for collecting gas of tolerance record axis 6, be recorded in axis 6 by tolerance
The instantaneous variation of portion's air pressure can learn the duration in a gas collection period；Gas coutrol valve 2 includes power supply device and valve
Device, power supply constantly provide electricity and guarantee that valve opening is closed required energy, and gas coutrol valve 2 is opened using dual control three-position electromagnetic
It closes, the position of piston is controlled by the signal at 7 both ends of floating installation, when floating installation 7 floats up to upper gasket 51, electric signal control
Valve processed is closed, and keeps valve-closed state, when gas is constantly collected, and floating installation 7 progressively decreases to lower gasket 52,
The state is opened and kept to electric signal control valve, and since tolerance record 6 length of axis is certain, 7 scope of activities of floating installation is fixed,
Therefore the gas collecting scale of construction in each period is fixed；To prevent tipping bucket, 8 top edge of upside down funnel and control chamber 4, tolerance
Record 6 surrounding of axis is uniformly arranged several fixed columns.The device of the present embodiment leads to when measuring diffused methane bubble release iron
Floating installation quantitative collection methane gas, and recordable collection duration are crossed, long-time automatic monitor for continuously methane gas has been reached
The purpose of release.
The method for carrying out lake and reservoir methane bubble release automatic monitor for continuously using the present embodiment is mainly as follows:
The new device of the present embodiment is put in the water body of lake and reservoir Experimental Area, air valve is opened and tolerance record axis is slowly discharged
Air valve 2 is closed in 6 after original gas, is constantly filled with vegetable oil in 8 lower part of upside down funnel, the volume for being filled with vegetable oil is tolerance note
1.2 times for recording 6 volume of axis make floating installation just touch the upper gasket 51 of tolerance record axis 6, the placement of finishing device.
With the release of methane bubble, it is constantly filled with gas in 8 lower part of upside down funnel, due to the collection of gas, water is constantly from device
Middle discharge, floating installation 7 are gradually reduced with water level, conduction when water level decreasing to 8 top of upside down funnel, on floating installation 7
Device touches the current-carrying part of lower gasket 52, and air valve is opened, and the tolerance in tolerance record axis 6 is discharged, floating installation 7 with
Water level in tolerance device rises, conductive material touching top pad when water level rises to upper gasket 51, on floating installation 7
The current-carrying part of piece 51,2 circuit communication of air valve, air valve are closed, and next round gas collection is carried out, and tolerance recorder 3 completes one
The acquisition and recording of collection period, methane gas rate of release=methane gas collecting amount/(acquisition time × upside down funnel open face
Product).
To sum up, funnel is inverted in lake and reservoir water body by new device provided by the utility model, can by flotation gear control
It is freely fluctuated with fluctuation in stage, for collecting methane bubble, tolerance records the collection of axis and control chamber Cooperation controlling methane bubble
With measurement, the effect of automatic monitor for continuously methane bubble discharges is realized.
The above description is only the embodiments of the present invention, is not intended to limit the utility model.The utility model
Can there are various suitable changes and variation.It is any modification made within the spirit and principle of the present invention, equivalent
Replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (9)
1. one kind discharges automatic monitor for continuously device for lake and reservoir methane bubble, which is characterized in that recorded including control chamber, tolerance
Axis and upside down funnel；The opening of the upside down funnel is placed in below tolerance record axis, and tolerance record axis bottom, which is located at, is inverted
Funnel top, top are located at control chamber bottom；The tolerance record axis is interconnected with control chamber, upside down funnel and to external close
Envelope is coincide；It is equipped with floating installation inside the tolerance record axis, the control chamber is equipped with tolerance recorder and gas coutrol valve,
When the floating installation is located at floating range bottom in tolerance record axis, the gas coutrol valve is opened, the floating installation position
When in tolerance record axis at the top of floating range, the gas coutrol valve is closed.
2. according to claim 1 a kind of for lake and reservoir methane bubble release automatic monitor for continuously device, which is characterized in that
The vertical range of the bottom margin of open bottom edge and tolerance the record axis of the upside down funnel is 0.4 ~ 0.6m, and funnel is open
Diameter is 1.0 ~ 1.2m.
3. according to claim 1 a kind of for lake and reservoir methane bubble release automatic monitor for continuously device, which is characterized in that
The tolerance record axis is cylindrical shape, and tolerance record axis and the axis axis of control chamber, upside down funnel are completely coincident.
4. according to claim 1 a kind of for lake and reservoir methane bubble release automatic monitor for continuously device, which is characterized in that
Tolerance record axis making material is smooth organic glass, and it is 0.3 ~ 0.5m that tolerance, which records shaft length, diameter is 3.0 ~
3.2cm。
5. according to claim 1 a kind of for lake and reservoir methane bubble release automatic monitor for continuously device, which is characterized in that
It is equipped with upper gasket at the top of the floating range of floating installation in the tolerance record axis, bottom is equipped with lower gasket, the top
Gasket and lower gasket are electrically connected with the gas coutrol valve respectively, the floating installation be equipped with can make upper gasket or under
Pad the electric installation of on-chip circuit closure in portion.
6. according to claim 1 a kind of for lake and reservoir methane bubble release automatic monitor for continuously device, which is characterized in that
The control chamber be it is cylindric, diameter be 0.1 ~ 0.2m, be highly 5 ~ 6cm.
7. according to claim 1 a kind of for lake and reservoir methane bubble release automatic monitor for continuously device, which is characterized in that
The floating route of the floating installation is controlled by several non-conductive silk threads.
8. according to claim 1 a kind of for lake and reservoir methane bubble release automatic monitor for continuously device, which is characterized in that
Flotation gear is equipped with above the control chamber.
9. according to claim 1 a kind of for lake and reservoir methane bubble release automatic monitor for continuously device, which is characterized in that
Opening and control chamber, the tolerance of the upside down funnel, which record, is uniformly arranged in the circumferential direction several fixed columns between axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821654193.2U CN209485907U (en) | 2018-10-12 | 2018-10-12 | One kind discharging automatic monitor for continuously device for lake and reservoir methane bubble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821654193.2U CN209485907U (en) | 2018-10-12 | 2018-10-12 | One kind discharging automatic monitor for continuously device for lake and reservoir methane bubble |
Publications (1)
| Publication Number | Publication Date |
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| CN209485907U true CN209485907U (en) | 2019-10-11 |
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| CN201821654193.2U Active CN209485907U (en) | 2018-10-12 | 2018-10-12 | One kind discharging automatic monitor for continuously device for lake and reservoir methane bubble |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387453A (en) * | 2018-10-12 | 2019-02-26 | 水利部交通运输部国家能源局南京水利科学研究院 | One kind discharging automatic monitor for continuously device and method for lake and reservoir methane bubble |
-
2018
- 2018-10-12 CN CN201821654193.2U patent/CN209485907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387453A (en) * | 2018-10-12 | 2019-02-26 | 水利部交通运输部国家能源局南京水利科学研究院 | One kind discharging automatic monitor for continuously device and method for lake and reservoir methane bubble |
| CN109387453B (en) * | 2018-10-12 | 2024-04-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Continuous and automatic monitoring device and method for methane bubble release in lakes and reservoirs |
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