CN208588726U - Monitor the device of water body dissolved methane and nitrous oxide concentration - Google Patents
Monitor the device of water body dissolved methane and nitrous oxide concentration Download PDFInfo
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- CN208588726U CN208588726U CN201820950900.6U CN201820950900U CN208588726U CN 208588726 U CN208588726 U CN 208588726U CN 201820950900 U CN201820950900 U CN 201820950900U CN 208588726 U CN208588726 U CN 208588726U
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Abstract
The utility model discloses a kind of devices for monitoring water body dissolved methane and nitrous oxide concentration, including reaction system, Separate System of Water-jet, air pressure balance system and measuring system, wherein reaction system is cylinder, inner hollow, its top sealing, top is equipped with water inlet pipe, and bottom is connected with outlet pipe;The gas-liquid separation is the aerator for being set to inner barrel;The air pressure balance system is capillary of the multiple-turns wound outside cylinder lateral wall, and the upper end of capillary penetrates cylinder lateral wall and is connected to inner barrel, and lower end is communicated with the atmosphere with opening;The measuring system includes the greenhouse gases analyzer being set to outside cylinder, and inlet end is connected to by air inlet pipe with inner barrel, and outlet side is connected to by escape pipe with inner barrel.The present apparatus has practical value, and structure is simple, reliable performance, easily manufactured and be hardly damaged, and cost is relatively low, and execute-in-place is easy, may be implemented to monitor on-line.
Description
Technical field
The utility model relates to aquatic monitoring field, especially a kind of device of monitoring water body dissolution trace gas concentration.
Background technique
It is shown according to the 5th assessment report of IPCC, since the industrial revolution, carbon dioxide, methane in atmosphere, oxidation
Sub- nitrogen isothermal chamber gas emissions significantly increase, and Global Temperature averagely rises 0.85 DEG C.Climate warming is to earth environment and people
Class activity has produced significant impact, and such as glacier volume-diminished, sea level rise.Freshwater ecosystems are titanium dioxides
The important emission source of carbon, methane and nitrous oxide.However, the atmospheric heating potential due to equivalent methane is higher by 20 than carbon dioxide
Yu Bei.Therefore, measure methane in water body and nitrous oxide concentration to accurately assessment aquatic ecosystem to atmospheric methane and
The influence of nitrous oxide release iron, and take appropriate measures and weaken greenhouse gases release of aquatic ecosystem etc. with weight
Want meaning.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of dress of monitoring water body dissolution trace gas concentration
It sets, reliable performance, structure is simple, and easily manufactured and be hardly damaged and at low cost, execute-in-place is easy, can be intelligent
Management.
Technical solution adopted in the utility model is a kind of device of monitoring water body dissolution trace gas concentration, including
Reaction system, Separate System of Water-jet, air pressure balance system and measuring system, wherein reaction system is cylinder, inner hollow, top
Portion's sealing, top are equipped with water inlet pipe, and bottom is connected with outlet pipe;The gas-liquid separation is to be set to the aeration of inner barrel to set
It is standby;The air pressure balance system is capillary of the multiple-turns wound outside cylinder lateral wall, and the upper end of capillary penetrates cylinder side
Wall is connected to inner barrel, and lower end is communicated with the atmosphere with opening;The measuring system includes the greenhouse being set to outside cylinder
Gas analyzer, inlet end are connected to by air inlet pipe with inner barrel, and outlet side is connected to by escape pipe with inner barrel.
Further, which is transparent glass material, and side wall is equipped with height of water level measuring scale, and inner barrel is additionally provided with
Temperature sensor.
Further, it is closed at the top of the cylinder by rubber stopper, water inlet pipe, air inlet pipe and an air outlet pipe penetrate through rubber
Rubber plug is connected to inner barrel.
Further, the end of the water inlet pipe is located at the intracorporal lower part of cylinder, the end of air inlet pipe be located at cylinder it is intracorporal on
Portion, the end of escape pipe are located at the bottom of rubber stopper.
Further, the aperture of the capillary is 0.8mm.
Further, the aerator includes the aeration for being set to aeration pump and cylinder body bottom above inner barrel
Stone is connected by pipeline between the two, and the intracorporal middle part of cylinder is additionally provided with fan.
Further, the constant flow pump being mounted on the water inlet pipe and outlet pipe, the one end of water inlet pipe far from cylinder is also
Equipped with clump weight.
Further, electromagnetic valve of gas circuit is mounted in air inlet pipe and an air outlet pipe;Electromagnetic valve of gas circuit is provided with timer.
The device can also include controller, and electromagnetic valve of gas circuit, timer, constant flow pump, aeration pump its fan are passed through
Conducting wire is connected on controller, is realized and is automatically controlled.
Further, the aeration pump and fan are also equipped with timer.
The utility model has the following beneficial effects:
1) by Separate System of Water-jet, water to be monitored is aerated using aerator, enables to aqueous vapor quick
Separation, can monitor on-line different quality water body dissolved methane and nitrous oxide concentration or different water depth water body dissolved methane and
Nitrous oxide concentration, required time is short, observation 5~can use the number in the analysis of computer online fitting greenhouse gases after ten minutes
According to the concentration of dissolved methane and nitrous oxide in water-outlet body can be analyzed to obtain by Henry's law, while can also be to avoid use
Conventional method takes back the error of Laboratory Monitoring off-line monitoring generation.
2) the accurate constant flow pump that the present apparatus uses, can be precisely controlled flow of inlet water and water flow, quick control device
Interior water inlet height, shortens the regulating time of experiment water sample.
3) the also settable controller of the present apparatus, constant flow pump, aeration pump, fan etc. are integrated, and realize intelligent control, can
To improve conventional efficient, experimentation is effectively controlled.Wherein electromagnetic valve of gas circuit can be controlled effectively and greenhouse gases analyzer
The air inlet pipe and an air outlet pipe being connected, the gas circuit of electromagnetic valve of gas circuit is just opened when energized, the gas circuit of electromagnetic valve of gas circuit when power-off
It is automatically closed, binding time timer can be with intelligent control greenhouse gases analyzer to water body dissolved methane and nitrous oxide concentration
Monitoring time;It, can also be with intelligent control aeration duration and fan after gas-liquid separation device is with time timer in conjunction with simultaneously
Working time.
4) present apparatus has balance pressure device by being connected to inside and outside device, and when device water inlet, inner and outer air pressure is able to maintain stabilization,
It can avoid the error because of caused by air pressure change.
5) present apparatus reliable performance, structure is simple, easily manufactured and be hardly damaged, and cost is not high, execute-in-place letter
Just.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model, but the range of the requires of the utility model protection are further illustrated below with reference to examples and drawings
It is not limited to the scope of the embodiments.
As shown in Figure 1, the device of monitoring water body dissolution trace gas concentration, including reaction system, Separate System of Water-jet, gas
Balance system and measuring system are flattened, wherein reaction system is cylinder 5, and inner hollow, top sealing, top is equipped with water inlet pipe
1, bottom is connected with outlet pipe 2;The gas-liquid separation is the aerator for being set to inner barrel;The air pressure balance system is
Capillary 6 of the multiple-turns wound outside cylinder lateral wall, the upper end of capillary penetrate cylinder lateral wall and are connected to inner barrel, lower end
Portion is communicated with the atmosphere with opening;The measuring system includes the greenhouse gases analyzer 15 being set to outside cylinder, inlet end
It is connected to by air inlet pipe 3 with inner barrel, outlet side is connected to by escape pipe 4 with inner barrel.Air inlet pipe is intracorporal by cylinder
Gas is defeated to be analyzed to greenhouse gases analyzer, is returned in cylinder after the completion of analysis by escape pipe, to ensure in cylinder
Environmental condition it is constant.
Preferably in scheme, which is transparent glass material, and side wall is equipped with height of water level measuring scale 16, in cylinder
Portion is additionally provided with temperature sensor 13.Glass material is convenient for observation inner barrel situation, and height of water level measuring scale is convenient for grasp cylinder
Internal water level.Temperature sensor is convenient for the control intracorporal temperature of cylinder.
Preferably, it is closed at the top of the cylinder by rubber stopper 8, water inlet pipe 1, air inlet pipe 3 and escape pipe 4 penetrate through
Rubber stopper is connected to inner barrel.Further, the end of the water inlet pipe 1 is located at the intracorporal lower part of cylinder, the end of air inlet pipe 3
Positioned at the intracorporal top of cylinder, the end of escape pipe 4 is located at the bottom of rubber stopper.
Preferably, the aperture of the capillary is 0.8mm.By capillary by being connected to inside and outside device, when device water inlet
Inner and outer air pressure is able to maintain stabilization.
Preferably, the aerator includes the aeration stone for being set to aeration pump 7 and cylinder body bottom above inner barrel
10, it is connected between the two by pipeline, the intracorporal middle part of cylinder is additionally provided with fan 9.7 absorption plant overhead gas of aeration pump, passes through
The aeration stone being connected with aeration pump is transported in water body to be measured, and the bubble of generation can make the methane being dissolved in water body and oxygen
Change sub- nitrogen quick separating from water body to come out, makes the methane of device inner upper space and nitrous oxide rapid by fan
Reach balance.
Further, the constant flow pump 14 being mounted on the water inlet pipe 1 and outlet pipe 2, water inlet pipe 1 far from cylinder one
End is additionally provided with clump weight 17.By the setting of constant flow pump, the accurate control of inflow and water yield, quick application cylinder may be implemented
Body sets interior water inlet height.
Further, which further includes controller, is mounted on electromagnetic valve of gas circuit 11 on air inlet pipe 3 and escape pipe 4;Gas
Way solenoid valve 11 is provided with timer 12.Electromagnetic valve of gas circuit can effectively control air inlet and outlet, when energized electromagnetic valve of gas circuit
Gas circuit just open, the gas circuit of electromagnetic valve of gas circuit is automatically closed when power-off, can dissolve first in conjunction with timer with intelligent control water body
The monitoring time of alkane and nitrous oxide concentration
Further, the aeration pump 7 and fan 9 are also equipped with timer 12.So that gas-liquid separation device and timing
Device combines, and realizes that intelligent control is aerated duration.
Further, water inlet pipe is equipped with scale far from one end of cylinder.
When specifically used, it is first determined behind sampling position, which is placed in the ground grading near sampled point;If
It needs to continuously monitor along river, lake, then the device is stably placed on ship.By water inlet pipe 1 and water inlet pipe counterweight
17 protrude into water body, and according to the scale line traffic control on water inlet pipe in specified water layer or the depth of water;Outlet pipe 2 is protruded into distance water inlet
It manages in farther away water body, avoids interfering at water outlet at water inlet;Then set inflow and outflow constant flow pump 14 flow and
Operating time, can automatic control device water inlet constant height.The timer 12 being connected with aeration pump 7 and fan 9 is reset,
Can in automatic control device aeration pump 7 and fan 9 working time section and duration.Concurrently set 4 phase of air inlet pipe 3 and escape pipe
The electromagnetic valve of gas circuit of connection and corresponding timer, can automatic control device monitoring duration.Finally, opening greenhouse gases
Analysis 15 observes 5~10 minutes, can analyze to obtain the concentration of dissolved methane and nitrous oxide in water-outlet body by Henry's law.
Claims (9)
1. monitoring the device of water body dissolved methane and nitrous oxide concentration, it is characterised in that: including reaction system, gas-liquid separation system
System, air pressure balance system and measuring system, wherein reaction system is cylinder (5), inner hollow, top sealing, top installation
Have water inlet pipe (1), bottom is connected with outlet pipe (2);The gas-liquid separation is the aerator for being set to inner barrel;The gas
Pressing balance system is capillary (6) of the multiple-turns wound outside cylinder lateral wall, and the upper end of capillary penetrates cylinder lateral wall and cylinder
Internal portion's connection, lower end is communicated with the atmosphere with opening;The measuring system includes the greenhouse gases point being set to outside cylinder
Analyzer (15), inlet end are connected to by air inlet pipe (3) with inner barrel, and outlet side passes through escape pipe (4) and inner barrel
Connection.
2. the apparatus according to claim 1, it is characterised in that: the cylinder (5) is transparent glass material, and side wall is equipped with water
Position height measuring rule (16), inner barrel are additionally provided with temperature sensor (13).
3. the apparatus according to claim 1, it is characterised in that: it is closed at the top of the cylinder by rubber stopper (8), into
Water pipe (1), air inlet pipe (3) and escape pipe (4) penetrate through rubber stopper and are connected to inner barrel.
4. device according to claim 3, it is characterised in that: the end of the water inlet pipe (1) is located at the intracorporal lower part of cylinder,
The end of air inlet pipe (3) is located at the intracorporal top of cylinder, and the end of escape pipe (4) is located at the bottom of rubber stopper.
5. the apparatus according to claim 1, it is characterised in that: the aperture of the capillary is 0.8mm.
6. the apparatus according to claim 1, it is characterised in that: the aerator includes being set to above inner barrel
The aeration stone (10) of aeration pump (7) and cylinder body bottom is connected by pipeline between the two, and the intracorporal middle part of cylinder is additionally provided with fan
(9).
7. device according to claim 6, it is characterised in that: be mounted on the water inlet pipe (1) and outlet pipe (2)
Constant flow pump (14), water inlet pipe (1) are additionally provided with clump weight (17) far from one end of cylinder.
8. device according to claim 7, it is characterised in that: be mounted on gas on the air inlet pipe (3) and escape pipe (4)
Way solenoid valve (11);Electromagnetic valve of gas circuit (11) is provided with timer (12).
9. device according to claim 8, it is characterised in that: the aeration pump (7) and fan (9) are also equipped with timing
Device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820950900.6U CN208588726U (en) | 2018-06-20 | 2018-06-20 | Monitor the device of water body dissolved methane and nitrous oxide concentration |
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CN201820950900.6U CN208588726U (en) | 2018-06-20 | 2018-06-20 | Monitor the device of water body dissolved methane and nitrous oxide concentration |
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CN208588726U true CN208588726U (en) | 2019-03-08 |
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CN201820950900.6U Expired - Fee Related CN208588726U (en) | 2018-06-20 | 2018-06-20 | Monitor the device of water body dissolved methane and nitrous oxide concentration |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112255385A (en) * | 2020-10-30 | 2021-01-22 | 华东师范大学 | System and method for in-situ continuous determination of concentration of greenhouse gas in high-turbidity water body and application |
-
2018
- 2018-06-20 CN CN201820950900.6U patent/CN208588726U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112255385A (en) * | 2020-10-30 | 2021-01-22 | 华东师范大学 | System and method for in-situ continuous determination of concentration of greenhouse gas in high-turbidity water body and application |
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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: 20190308 Termination date: 20190620 |