CN111721592A - Bubble flux collecting device for water-gas interface - Google Patents

Bubble flux collecting device for water-gas interface Download PDF

Info

Publication number
CN111721592A
CN111721592A CN202010559532.4A CN202010559532A CN111721592A CN 111721592 A CN111721592 A CN 111721592A CN 202010559532 A CN202010559532 A CN 202010559532A CN 111721592 A CN111721592 A CN 111721592A
Authority
CN
China
Prior art keywords
gas
bottle
water
gas collecting
collecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010559532.4A
Other languages
Chinese (zh)
Inventor
胡明明
王启文
王雨春
万晓红
汪国骏
李艳晖
梁顺田
叶振亚
高继军
黄钰铃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Institute of Water Resources and Hydropower Research
Original Assignee
China Institute of Water Resources and Hydropower Research
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Institute of Water Resources and Hydropower Research filed Critical China Institute of Water Resources and Hydropower Research
Priority to CN202010559532.4A priority Critical patent/CN111721592A/en
Publication of CN111721592A publication Critical patent/CN111721592A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • G01N1/2247Sampling from a flowing stream of gas
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • G01N1/2247Sampling from a flowing stream of gas
    • G01N2001/2267Sampling from a flowing stream of gas separating gas from liquid, e.g. bubbles

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention provides a bubble flux collecting device for a water-gas interface, the collecting device comprising: the bracket body can suspend on a horizontal plane; the gas collecting bottle is arranged above the horizontal plane, and the bottle mouth of the gas collecting bottle faces the horizontal plane; the gas collecting hood is arranged below the horizontal plane; the air inlet pipe and the water outlet pipe are hermetically connected with the bottle mouth of the air collecting bottle; the first end of the air inlet pipe is connected with the bottle opening of the gas collecting bottle, the second end of the air inlet pipe is connected with the exhaust end of the gas collecting hood through a water stopping system, and the air inlet end of the gas collecting hood is connected with the second end of the support body. In the bubble flux collecting process, gas released by the water body in the gas collecting hood enters the gas inlet pipe through the water stopping system and enters the gas collecting bottle through the gas inlet pipe, and water in the gas collecting bottle is discharged from the water discharging pipe, so that the gas collecting bottle is full of the gas released by the water body. The collecting device is suitable for collecting the bubble flux in the environments with large wind and wave and deep water.

Description

Bubble flux collecting device for water-gas interface
Technical Field
The invention relates to the technical field of bubble collection.
Background
Eutrophic waters are widely recognized as important sources of greenhouse gas release, such as carbon dioxide, CO2Methane CH4Nitrous oxide N2And O. Under the current environment background of increasing water eutrophication degree and global warming, people pay more and more attention to the change of the release intensity of greenhouse gases in water. For example, the nitrification-denitrification reaction occurring in eutrophic water is one of the important ways for water denitrification, and the intermediate gaseous product N of the nitrification-denitrification reaction2O and final gaseous product nitrogen N2The release of (b) is of concern, but the portion released by bubble diffusion has a greater difficulty in monitoring. How to collect nitrous oxide N2O, Nitrogen N2Methane CH4The bubble flux released from the water body to the atmosphere by the water-insoluble or water-insoluble gas is a technical bottleneck at present, and particularly under the condition of wind waves of a large reservoir or a deep lake, the sampling device at present has a loose structure and is easy to disintegrate; the device is complex and large in volume, and is not beneficial to field transportation, putting and recovery; at the same time due to lack of rationalityAnd the gas collection is combined and collected, so that the sampling precision is poor under the wind wave condition.
Disclosure of Invention
The invention aims to provide a water-air interface bubble flux acquisition device, which solves the problems that the acquisition device in the prior art is loose in reception and easy to disintegrate, and the sampling precision is poor under the condition of wind waves.
In order to achieve the above object, an embodiment of the present invention provides a water-gas interface bubble flux collecting device, including:
the bracket comprises a bracket body, a supporting frame and a supporting frame, wherein the bracket body can suspend on a horizontal plane;
the gas collecting bottle is arranged at the first end of the support body and is arranged above the horizontal plane, and a bottle opening of the gas collecting bottle faces the horizontal plane;
the gas collecting hood is arranged below the horizontal plane, and when the gas collecting hood is used, a water body is filled in the gas collecting hood;
the air inlet pipe and the water outlet pipe are hermetically connected with the bottle opening of the air collecting bottle, and water (preferably sterile water) can be filled in the air collecting bottle;
the first end of the air inlet pipe is connected with the bottle mouth of the gas collecting bottle, the second end of the air inlet pipe is connected with the exhaust end of the gas collecting hood through a water stopping system, and the air inlet end of the gas collecting hood is connected with the second end of the bracket body; wherein
In the process of collecting the bubble flux, the gas released by the water in the gas collecting hood enters the gas inlet pipe through the water stopping system and enters the gas collecting bottle through the gas inlet pipe, and the sterile water in the gas collecting bottle is discharged from the drain pipe, so that the gas collecting bottle is filled with the gas released by the water.
Wherein the second end of the bracket body is further provided with a plurality of counterweight members so that the center of gravity of the water-air interface bubble flux collecting device is located below the horizontal plane.
Wherein, the support body includes:
the gas collecting bottle is arranged on the first support;
the gas collecting hood is arranged in the second bracket;
a connecting means connecting the first bracket and the second bracket; and
and the buoyancy device is connected with the connecting device and used for controlling the first bracket to be positioned above the water level and controlling the second bracket to be positioned below the water level.
Wherein, the gas collecting bottle is connected with the first support through a gas collecting bottle connecting device.
The water stopping system is arranged in a flange cylinder, one end of the flange cylinder is connected with the connecting device, and the other end of the flange cylinder is connected with the exhaust end of the gas collecting hood.
The connecting device is a disc, a through hole matched with the air inlet pipe is formed in the disc, and the air inlet pipe penetrates through the through hole and is connected with the flange column body; wherein, the intake pipe with through-hole sealing connection.
Wherein the buoyancy device is a rubber tire capable of being inflated and deflated.
The gas-collecting hood is of a conical structure, and the inner surface of the gas-collecting hood is coated with a hydrophobic coating.
Wherein, the flange cylinder with connecting device passes through ferrule sealing connection.
The first support and the second support are both made of stainless steel materials.
The technical scheme of the invention at least has the following beneficial effects:
in the water-air interface bubble flux acquisition device provided by the embodiment of the invention, the bracket body capable of being suspended on a horizontal plane is arranged, so that the bubble flux acquisition device can be placed on a water surface sampling point for bubble flux acquisition; the exhaust end of the gas collecting hood is hermetically connected with the bottle mouth of the gas collecting bottle through the water stopping system and the gas inlet pipe, so that the isolation of the gas collecting bottle from air is ensured, and the sampling precision is improved; meanwhile, the gravity center of the bubble flux collecting device in the embodiment of the invention is positioned below the horizontal plane, so that the wind and wave resistance of the device is greatly improved, and the device is suitable for being used under the wind and wave conditions of large lakes and reservoirs.
Drawings
FIG. 1 is a schematic structural diagram of a water-gas interface bubble flux collecting device provided by an embodiment of the invention;
fig. 2 shows a specific structure diagram of a connection device in a water-gas interface bubble flux collecting device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Aiming at the problems that the collection device in the prior art is loose in receiving and easy to disintegrate and has poor sampling precision under the condition of wind waves, the invention provides the water-gas interface bubble flux collection device, and the bubble flux collection device can be placed on a water surface sampling point for bubble flux collection by arranging the bracket body capable of being suspended on a horizontal plane; the exhaust end of the gas collecting hood is hermetically connected with the bottle mouth of the gas collecting bottle through the water stopping system and the gas inlet pipe, so that the isolation of the gas collecting bottle from air is ensured, and the sampling precision is improved; meanwhile, the gravity center of the bubble flux collecting device in the embodiment of the invention is positioned below the horizontal plane, so that the wind and wave resistance of the device is greatly improved, and the device is suitable for being used under the wind and wave conditions of large lakes and reservoirs.
As shown in fig. 1, an embodiment of the present invention provides a water-gas interface bubble flux collecting apparatus, including:
the bracket comprises a bracket body, a supporting frame and a supporting frame, wherein the bracket body can suspend on a horizontal plane;
the gas collecting bottle 1 is arranged at the first end of the support body, the gas collecting bottle 1 is arranged above the horizontal plane, and a bottle opening of the gas collecting bottle 1 faces the horizontal plane;
the gas collecting hood 2 is arranged at the second end of the bracket body, the gas collecting hood 2 is arranged below the horizontal plane, and the gas collecting hood 2 is filled with water;
an air inlet pipe 3 and a water outlet pipe 4 which are hermetically connected with the bottle mouth of the gas collecting bottle 1, wherein sterile water is filled in the gas collecting bottle 1;
the first end of the air inlet pipe 3 is connected with the bottle mouth of the gas collecting bottle 1, the second end of the air inlet pipe 3 is connected with the exhaust end of the gas collecting hood 2 through a water stopping system 5, and the air inlet end of the gas collecting hood 2 is connected with the second end of the support body; wherein
In the process of collecting the bubble flux, the gas released by the water in the gas collecting hood 2 enters the gas inlet pipe 3 through the water stop system 5 and enters the gas collecting bottle 1 through the gas inlet pipe 3, and the sterile water in the gas collecting bottle 1 is discharged from the water discharge pipe 4, so that the gas collecting bottle 1 is filled with the gas released by the water.
In the embodiment of the invention, the gas collecting hood 2, the water stopping system 5, the gas inlet pipe 3 and the gas collecting bottle 1 are hermetically connected, so that the sealing performance of the gas collecting bottle and the gas inlet pipe is effectively ensured, and the sampling precision is greatly improved. Wherein, the gas collecting bottle 1 can use a common glass infusion bottle with a rubber stopper in the market. Before measurement, the gas collecting bottle 1 is filled with sterile water (to prevent the growth of microorganisms) to ensure that no air bubbles exist in the gas collecting bottle, and then the bottle mouth is sealed. During measurement, the bubble flux acquisition device is slowly placed on a water surface sampling point, so that gas in the gas collecting hood 2 is discharged from the gas inlet pipe 3 through the top end of the water stopping system 5, then the gas inlet pipe 3 is connected with the bottle opening of the gas collecting bottle 1, and timing is started. Gas released in the water body collected by the gas collecting hood 2 can enter the gas collecting bottle 1 through the gas inlet pipe 3, and sterile water in the gas collecting bottle 1 is discharged from the water discharge pipe 4, so that the gas collecting bottle is filled with the gas released in the water body.
Further, in the above embodiment of the present invention, the second end of the bracket body is further provided with a plurality of weight members 6 so that the center of gravity of the water-air interface bubble flux collecting device is located below the horizontal plane.
In the embodiment of the invention, the gravity center of the whole device is positioned below the water surface by adopting the design of lower support counterweight, the design of adjustable depth of the lower gas-collecting hood and the design of low position of the gas-collecting bottle, so as to avoid the influence of the device overturn caused by wind and wave; therefore, the wind and wave resistance of the device is greatly improved, and the device is suitable for being used under the wind and wave conditions of large lakes and reservoirs. The underneath depth of the gas-collecting hood can be adjusted according to the wind and wave conditions of the water surface sampling point, and is not limited to a fixed value. The low-position design of the gas collecting bottle specifically means that the distance from the gas collecting bottle to the second end of the bracket body is shorter so as to ensure that the center of gravity of the bracket body is positioned below the water surface.
Specifically, as shown in fig. 1, the stent body in the embodiment of the present invention includes:
the gas collecting bottle 1 is arranged on the first support 7;
the gas collecting hood 2 is arranged in the second support 8;
a connecting device 9 connecting the first bracket 7 and the second bracket 8; and
and buoyancy means 10 connected to said connection means 9 for controlling said first support 7 above said water level and said second support 8 below said water level.
In the above embodiment of the invention, the buoyancy means 10 is capable of ensuring that the first support 7 is above the water level and the second support 8 is below the water level. Specifically, the buoyancy device 10 is a rubber tire capable of being inflated and deflated; and the height of the buoyancy device 10 can be adjusted, and the gas collecting hood is always kept below the horizontal plane through adjusting the height of the tire as the buoyancy device. Further, the buoyancy device 10 is connected to the connection device 9 by a tire connection device 11, and particularly, the stability of the connection device can be ensured by welding.
In the embodiment of the invention, the rubber tires are adopted as buoyancy force standard buoyancy devices, so that the tires can be deflated, the size is reduced, and the transportation is convenient; meanwhile, the bracket system can be connected with foam, a standard marine life buoy and the like instead of a floating body so as to meet the field sampling condition.
Further, in the above embodiment of the present invention, the gas collecting bottle 1 is connected to the first support 7 through a gas collecting bottle connecting device 12. The gas collecting bottle connecting device 12 is arranged to facilitate the disassembly of the gas collecting bottle 1 and ensure the reuse of the gas collecting bottle 1.
It should be noted that, in the above embodiment of the present invention, the water stopping system 5 is disposed in a flange column, one end of the flange column is connected to the connecting device 9, and the other end is connected to the exhaust end of the gas collecting channel 2. The embodiment of the invention adopts a flange and thread connection and synchronous sealing gas collection mode, thereby effectively ensuring the sealing performance of the gas collection bottle and the gas inlet pipe.
Specifically, as shown in fig. 2, in the embodiment of the present invention, the connecting device 9 is a circular disc, and a through hole 91 matched with the air inlet pipe is formed in the circular disc, and the air inlet pipe 3 passes through the through hole 91 and is connected to the flange column; wherein, the air inlet pipe 3 is connected with the through hole 91 in a sealing way.
Further, in the above embodiment of the present invention, the gas collecting channel 2 has a conical structure, and the inner surface of the gas collecting channel has a hydrophobic coating applied thereon. Specifically, the gas-collecting hood adopts a conical structure, so that unnecessary curved surfaces are reduced, and novel waterproof materials are adopted, so that the internal surface tension of the gas-collecting hood is reduced, thereby achieving the purpose of reducing the adhesion of bubbles on the internal surface of the gas-collecting hood, and further ensuring the sampling precision; meanwhile, the gas collecting hood is convenient to disassemble and replace.
Specifically, the flange cylinder is connected with the connecting device 9 in a sealing manner through a pipe hoop; and the first bracket and the second bracket are both made of stainless steel materials.
In summary, the embodiment of the present invention provides the bubble flux collecting device as shown in fig. 1, the second support 8 is connected to the first support 7 through the connecting device 9, the upper surface of the gas collecting hood 2 is hermetically connected to the water stopping system 5 through the pipe hoop, and the lower surface is connected to the bottom of the second support 8. A rubber tyre 10 as a buoyancy device is connected to the connection device 9 by means of a tyre connection device 11. The top of the water stopping system 5 is connected with the bottle mouth of the gas collecting bottle 1 through the gas inlet pipe 3, the gas collecting bottle 1 is further connected with the drain pipe 4, the bottle mouth of the gas collecting bottle is sealed and is connected with the first support 7 through the connecting device 9, and the flange cylinder is in a hollow design and plays roles of connecting, sealing and reaching gas.
The water-gas interface bubble flux collecting device provided by the embodiment of the invention is convenient to disassemble and assemble, and has a bracket system with higher mechanical strength: the standard pipe fitting is made of the sampled stainless steel material, all the supporting pipes and the connecting pipes can be exchanged universally, and the standard pipe fitting has the advantages of being easy to disassemble and assemble and convenient to transport and has the characteristic of being used in the field; meanwhile, in order to prevent and control the influence of wind waves on the bubble collecting process, the embodiment of the invention adopts a design mode that the depth of the lower gas collecting hood is adjustable, and the low-position gas collecting bottle, the exhaust pipe and the drain pipe are synchronously sealed; the opening of the gas collecting hood is downward, the upper part of the gas collecting hood is firmly connected with the upper support system and the buoyancy device through a universal flange cylinder, the lower support is connected with the flange cylinder and can be adjusted within the range of 5-10cm, and the height of the tire serving as the buoyancy device is adjusted to ensure that the gas collecting hood is always kept below the water surface. The gas collecting bottle is designed to be in a low position, and the weight of the lower support is balanced, so that the center of gravity of the whole device is located below the water surface, and the influence of the device overturning caused by wind waves is avoided. The top end of the gas collecting hood is connected with the bottle mouth of the gas collecting bottle through the flange cylinder internal water stop system and the gas inlet pipe so as to ensure the isolation of the gas collecting bottle and air. The mouth of the gas collecting bottle and the connecting pipe fitting are sealed by silica gel.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A bubble flux collection system for a water-gas interface, the collection system comprising: the bracket comprises a bracket body, a supporting frame and a supporting frame, wherein the bracket body can suspend on a horizontal plane;
the gas collecting bottle is arranged at the first end of the support body and is arranged above the horizontal plane, and a bottle opening of the gas collecting bottle faces the horizontal plane;
the gas collecting hood is arranged at the second end of the bracket body and is arranged below the horizontal plane;
the air inlet pipe and the water outlet pipe are hermetically connected with the bottle opening of the air collecting bottle, and sterile water is filled in the air collecting bottle;
the first end of the air inlet pipe is connected with the bottle mouth of the gas collecting bottle, the second end of the air inlet pipe is connected with the exhaust end of the gas collecting hood through a water stopping system, and the air inlet end of the gas collecting hood is connected with the second end of the bracket body;
the center of gravity of the acquisition device is located below the horizontal plane.
2. The harvesting device as claimed in claim 1, wherein the second end of the holder body is further provided with one or more weight members such that the center of gravity of the harvesting device is located below the horizontal plane.
3. The collecting device as claimed in claim 1 or 2, wherein said holder body comprises:
the gas collecting bottle is arranged on the first support;
the gas collecting hood is arranged in the second bracket;
a connecting means connecting the first bracket and the second bracket; and
and the buoyancy device is connected with the connecting device and used for controlling the first bracket to be positioned above the water level and controlling the second bracket to be positioned below the water level.
4. The collection device of claim 3, wherein the gas collection bottle is connected to the first support via a gas collection bottle connection.
5. The collecting device as claimed in claim 3 or 4, wherein the water stopping system is arranged in a flange cylinder, one end of the flange cylinder is connected with the connecting device, and the other end of the flange cylinder is connected with the exhaust end of the gas collecting hood.
6. The collecting device as claimed in claim 5, wherein the connecting device is a disc, and the disc is provided with a through hole matched with the air inlet pipe, and the air inlet pipe passes through the through hole and is connected with the flange column body; wherein, the intake pipe with through-hole sealing connection.
7. An acquisition device as claimed in any one of claims 3 to 6, wherein the buoyancy means is a rubber tyre capable of being inflated and deflated.
8. The harvester of claim 7, wherein the buoyant means and the connecting means are connected by a tire connecting means.
9. An harvesting apparatus according to any one of claims 3 to 8, wherein the buoyancy means is height adjustable.
10. An acquisition device as claimed in any one of the preceding claims, characterized in that the gas-collecting channels have a conical configuration and the inner surfaces of the gas-collecting channels are provided with a hydrophobic coating.
CN202010559532.4A 2015-12-25 2015-12-25 Bubble flux collecting device for water-gas interface Pending CN111721592A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010559532.4A CN111721592A (en) 2015-12-25 2015-12-25 Bubble flux collecting device for water-gas interface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010559532.4A CN111721592A (en) 2015-12-25 2015-12-25 Bubble flux collecting device for water-gas interface
CN201510993808.9A CN106918473A (en) 2015-12-25 2015-12-25 A kind of water-vapor interface bubble flux collection device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201510993808.9A Division CN106918473A (en) 2015-12-25 2015-12-25 A kind of water-vapor interface bubble flux collection device

Publications (1)

Publication Number Publication Date
CN111721592A true CN111721592A (en) 2020-09-29

Family

ID=59456056

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202010559532.4A Pending CN111721592A (en) 2015-12-25 2015-12-25 Bubble flux collecting device for water-gas interface
CN201510993808.9A Pending CN106918473A (en) 2015-12-25 2015-12-25 A kind of water-vapor interface bubble flux collection device

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201510993808.9A Pending CN106918473A (en) 2015-12-25 2015-12-25 A kind of water-vapor interface bubble flux collection device

Country Status (1)

Country Link
CN (2) CN111721592A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107966319B (en) * 2017-11-24 2020-07-24 嘉兴众衡电气科技有限公司 Deep well underground water sample collection system
RU185214U1 (en) * 2018-06-26 2018-11-26 Федеральное государственное бюджетное учреждение науки Ордена Ленина и Ордена Октябрьской революции Институт геохимии и аналитической химии им. В.И. Вернадского Российской академии наук (ГЕОХИ РАН) Device for underwater sampling of gas bubbles
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
CN112033766B (en) * 2020-09-04 2024-03-26 中国科学院武汉岩土力学研究所 In-situ sampling device and method for foaming gas in superficial sediment

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2482005Y (en) * 2001-04-24 2002-03-13 张建华 High storey heating return water buffer air exhausting device
JP3466503B2 (en) * 1999-04-08 2003-11-10 三菱電機株式会社 Equipment for detecting volatile substances in environmental water
CN101975841A (en) * 2010-09-06 2011-02-16 北京市华云分析仪器研究所有限公司 In-situ monitoring method for flux of methane gas on water-air interface
CN202041409U (en) * 2011-04-02 2011-11-16 杨慎文 Sampler for air organic pollutants
CN202101879U (en) * 2011-06-21 2012-01-04 中国科学院南京土壤研究所 Water surface greenhouse gas emission measurement floating box
CN102353560A (en) * 2011-06-10 2012-02-15 江苏省农业科学院 Gathering device for gas released by water body and sampling method thereof
CN202267677U (en) * 2011-10-19 2012-06-06 同济大学 Portable static tank for determining greenhouse gas emission flux of water body
CN102507272A (en) * 2011-09-30 2012-06-20 南京大学 Collecting device of greenhouse gases released by lake and reservoir water bodies and analysis method of release rate
CN102608273A (en) * 2012-03-23 2012-07-25 重庆大学 Method for collecting underwater bubbles and method for monitoring underwater bubble flux under hydrodynamic conditions
CN202903553U (en) * 2012-10-25 2013-04-24 江苏省农业科学院 Water body release gas collecting device applicable to water body water column layering process
CN202974729U (en) * 2012-11-30 2013-06-05 中国农业科学院农业环境与可持续发展研究所 Water surface gas sampling floating box capable of automatic lifting
CN203023688U (en) * 2012-11-23 2013-06-26 江苏泰洁检测技术有限公司 Gas emergency sampling connector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201903469U (en) * 2010-12-24 2011-07-20 江苏艾德太阳能科技有限公司 Gas collection device
CN202177533U (en) * 2011-08-08 2012-03-28 中国科学院地球环境研究所 Drip-type multi-purpose non-absorption gas collecting bottle

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3466503B2 (en) * 1999-04-08 2003-11-10 三菱電機株式会社 Equipment for detecting volatile substances in environmental water
CN2482005Y (en) * 2001-04-24 2002-03-13 张建华 High storey heating return water buffer air exhausting device
CN101975841A (en) * 2010-09-06 2011-02-16 北京市华云分析仪器研究所有限公司 In-situ monitoring method for flux of methane gas on water-air interface
CN202041409U (en) * 2011-04-02 2011-11-16 杨慎文 Sampler for air organic pollutants
CN102353560A (en) * 2011-06-10 2012-02-15 江苏省农业科学院 Gathering device for gas released by water body and sampling method thereof
CN202101879U (en) * 2011-06-21 2012-01-04 中国科学院南京土壤研究所 Water surface greenhouse gas emission measurement floating box
CN102507272A (en) * 2011-09-30 2012-06-20 南京大学 Collecting device of greenhouse gases released by lake and reservoir water bodies and analysis method of release rate
CN202267677U (en) * 2011-10-19 2012-06-06 同济大学 Portable static tank for determining greenhouse gas emission flux of water body
CN102608273A (en) * 2012-03-23 2012-07-25 重庆大学 Method for collecting underwater bubbles and method for monitoring underwater bubble flux under hydrodynamic conditions
CN202903553U (en) * 2012-10-25 2013-04-24 江苏省农业科学院 Water body release gas collecting device applicable to water body water column layering process
CN203023688U (en) * 2012-11-23 2013-06-26 江苏泰洁检测技术有限公司 Gas emergency sampling connector
CN202974729U (en) * 2012-11-30 2013-06-05 中国农业科学院农业环境与可持续发展研究所 Water surface gas sampling floating box capable of automatic lifting

Also Published As

Publication number Publication date
CN106918473A (en) 2017-07-04

Similar Documents

Publication Publication Date Title
CN111721592A (en) Bubble flux collecting device for water-gas interface
CA2770612C (en) Device for sampling ebullition and sampling method
CN202974729U (en) Water surface gas sampling floating box capable of automatic lifting
CN202101879U (en) Water surface greenhouse gas emission measurement floating box
US20170037348A1 (en) Gravity flow tubular photobioreactor and photobioreactor farm
CN102134151A (en) Drift folded marsh gas collector
CN202471539U (en) Measurement system of carbon dioxide solubility of seawater
CN102175824A (en) Automatic height-adjustment lake ecological experimental enclosure with siphon sampling function
CN103636532B (en) Carbon sink informationized marine ranch
CN210269314U (en) Water greenhouse gas collection system
CN203929463U (en) The dual-purpose greenhouse gases collecting device in a kind of portable land and water
CN213689023U (en) Dissolved oxygen detects sampling device
CN211896885U (en) Wine making barrel
CA2726970A1 (en) Counter current supersaturation oxygenation system
CN103814840A (en) Net cage with carbon sink monitoring function
CN204713369U (en) A kind of novel anti-buoy that turns over and sinks
CN207596574U (en) A kind of urban wastewater treatment device with swinging aeration head
CN208443702U (en) A kind of standard cube concrete test block device for determining permeation coefficient
CN202765261U (en) Sea wave buoyant apparatus
CN108760406A (en) A kind of water/sediment interface greenhouse gases collection device
CN203775934U (en) Carbon sink measurement dual-purpose net cage
CN219019977U (en) Oxygen supplying fixed-point oxygen supplying component for fish pond
JPH05236935A (en) Closed type algae culturing device
CN209906763U (en) Settlement bacteria sampling frame
CN218444606U (en) Shallow water district nearly bank environmental protection fixed bed quality of water sampler

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200929