CN107782851B - A kind of landfill gas collection well Cheng Jingqian landfill gas monitoring device - Google Patents
A kind of landfill gas collection well Cheng Jingqian landfill gas monitoring device Download PDFInfo
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- CN107782851B CN107782851B CN201710795155.2A CN201710795155A CN107782851B CN 107782851 B CN107782851 B CN 107782851B CN 201710795155 A CN201710795155 A CN 201710795155A CN 107782851 B CN107782851 B CN 107782851B
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- G01N33/0004—Gaseous mixtures, e.g. polluted air
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Abstract
The present invention relates to a kind of landfill gas to collect well Cheng Jingqian landfill gas monitoring device, it include: the landfill gas collection well Cheng Jingqian landfill gas monitoring device of fixed cylinder, conductor rope reel, conduit reel, stop collar, sampling catheter, sampling pipe and aspiration pump composition, fixed cylinder opens up first through hole and the second through-hole；The detection hole of second through-hole face landfill yard is arranged；It is wound with lifting rope on conductor rope reel, can lengthen or receive drop shot rope；Conduit reel inner disk is wound with hose；Sampling catheter is fixedly connected with the end of lifting rope, is hung and is located on stop collar；The bottom end of hose is docked and connected after passing through stop collar with sampling catheter；Sampling pipe one end and the top of hose are docked and connected, and the other end connects gas sample analyzer；Aspiration pump is arranged on sampling pipe.The device can carry out effective, accurate detection to gas collection well Cheng Jingqian landfill gas.
Description
Technical field
The present invention relates to environmental technology field, in particular to a kind of landfill gas collects the monitoring of well Cheng Jingqian landfill gas
Device.
Background technique
Though landfill gas has the harm such as high, inflammable and explosive, the pathogenic teratogenesis shape of minimum gas of greenhouse effects, the high resource of calorific value
It is big to change utility value.The resource utilization of landfill gas has important economy, environment and social effect, and note well pumping is landfill
The general technology of gas resource utilization.
The composition component of gas collection well has air guide gabion, rubble, PE pipe of punching etc., gas collection well at well process compared with
Complexity expends a large amount of human and material resources and financial resources, and wherein Cheng Jing is an engineering challenge.It is by virtue of experience and theoretical
Come determine collect well point not necessarily obtain preferable effect, mainly not to the ingredient of landfill gas at selected point
Monitoring is sampled with concentration.Therefore, monitoring is sampled to the ingredient and concentration of landfill gas before collecting well into well to come really
Determine just to seem particularly necessary if appropriate for as gas collection well at this.
Equipment there are no gas collection well at being monitored before well to landfill gas in the prior art.
Summary of the invention
The present invention provides a kind of landfill gas to collect well Cheng Jingqian landfill gas monitoring device, solves or part solves
The technical issues of having determined in the prior art without gas collection well Cheng Jingqian landfill gas monitoring device, realizes and provides a kind of knot
The simple landfill gas monitoring device of structure can carry out the technology effectively, accurately detected to gas collection well Cheng Jingqian landfill gas
Effect.
A kind of landfill gas provided by the invention collects well Cheng Jingqian landfill gas monitoring device, comprising:
Fixed cylinder, inside be it is hollow, top center opens up first through hole, and bottom corresponds to the first through hole and offers second
Through-hole；The detection hole of landfill yard described in the second through-hole face is arranged；
The top of the fixed cylinder is arranged in conductor rope reel；Lifting rope is wound on the conductor rope reel；The conductor rope reel
The short lifting rope is lengthened or received by rotation；
The top of the fixed cylinder is arranged in conduit reel；The inner disk of the conduit reel is wound with hose；The hose
Bottom end stretch out the bottom guide hole of the conduit reel；
Stop collar is fixed on the top of the fixed cylinder by support rod；The stop collar and the first through hole or institute
State the concentric setting of the second through-hole；
Sampling catheter is fixedly connected with the end of the lifting rope, is hung and is located on the stop collar；It wears the bottom end of the hose
It is docked and connected after crossing the stop collar with the sampling catheter；What the sampling catheter followed the lifting rope lengthens or receives short progress
It is down or up；The hose follow the sampling catheter it is down or up from the bottom guide hole of the conduit reel stretch out or
It retracts；
Sampling pipe, one end passes through the top guide hole of the conduit reel and the top of the hose is docked and connected, the other end
Connect gas sample analyzer；
Aspiration pump is arranged on the sampling pipe.
Preferably, further include:
Pedestal cylinder, for hollow open cylinder；The pedestal cylinder Open Side Down lid be located in the detection hole of the landfill yard；
The top center of the pedestal cylinder opens up third through-hole；The aperture phase of the third through-hole and second through-hole
Together；
The third through-hole and the detection hole are coaxially disposed；
The bottom of the fixed cylinder is fixed on the pedestal cylinder, and second through-hole is overlapped with the third through-hole.
Preferably, the bottom of the fixed cylinder is bolted to connection with the pedestal cylinder；
The aperture of the third through-hole or the second through-hole is not more than the internal diameter of the detection hole；
The fixed cylinder and the material of the pedestal cylinder are stainless steel.
Preferably, further include:
Plexiglas cylinder, top open up downwards air slot, and lower part is provided with several stomatas；
The stomata is connected to the air slot；
The bottom end of the sampling catheter is fastened in the air slot.
Preferably, the bottom end outer wall of the sampling catheter is provided with external screw thread；
The air slot is provided with internal screw thread；
The sampling catheter is screwed with the Plexiglas cylinder and connect；
The outer diameter of the Plexiglas cylinder is less than the aperture of second through-hole.
Preferably, further include:
Gas-storing bag is arranged on the sampling pipe；
The gas-storing bag is between the aspiration pump and the gas sample analyzer.
Preferably, further include:
Temperature sensor is arranged on the sampling pipe, between the gas-storing bag and the gas sample analyzer；
Humidity sensor is arranged on the sampling pipe, is located at the temperature sensor and the gas sample analyzer
Between；
Dry filter component is arranged on the sampling pipe, is located at the humidity sensor and the gas sample is analyzed
Between instrument.
Preferably, further include:
Air valve is arranged on the sampling pipe, between the conduit reel and the aspiration pump.
Preferably, further include:
Lifting rope length metering component is arranged on the conductor rope reel, is determined according to the turnning circle of the conductor rope reel
The lifting rope lengthens or receives short length.
Preferably, the sampling catheter drops to the different depth of the detection hole of the landfill yard, gas is extracted respectively
Sample determines the detection hole for institute when the gas sample of gas sample analyzer detection reaches established standards
State gas collection well position.
One or more technical solutions provided herein, have at least the following technical effects or advantages:
Due to using by fixed cylinder, conductor rope reel, conduit reel, stop collar, sampling catheter, sampling pipe and pumping pump group
At landfill gas collect well Cheng Jingqian landfill gas monitoring device, fixed cylinder opens up first through hole and the second through-hole；Second
The detection hole of through-hole face landfill yard is arranged；It is wound with lifting rope on conductor rope reel, can lengthen or receive drop shot rope；Inside conduit reel
Coiling has hose；The bottom guide hole of conduit reel is stretched out in the bottom end of hose；Stop collar and first through hole or the second through-hole are concentric
Setting；Sampling catheter is fixedly connected with the end of lifting rope, is hung and is located on stop collar；The bottom end of hose pass through stop collar after with sampling
Conduit is docked and connected；Sampling catheter follow lifting rope lengthen or receive it is short carry out it is down or up；Hose follows under sampling catheter
Drop rises from the stretching of the bottom guide hole of conduit reel or retracts；Sampling pipe one end and the top of hose are docked and connected, the other end
Connect gas sample analyzer；Aspiration pump is arranged on sampling pipe；Sampling catheter is put into detection hole not by scaling lifting rope
Same depth is sent into gas along the sampling catheter, hose, sampling pipe by the gas sample that aspiration pump will test different depth in hole
Body sample analyser, gas sample analyzer test and analyze gas sample, when gas sample reaches established standards, i.e.,
It can determine that the gas collection well of landfill yard should be opened up in the detection hole position.In this way, efficiently solving in the prior art
There is no the technical issues of gas collection well Cheng Jingqian landfill gas monitoring device, realizes and a kind of simple landfill gas of structure is provided
Body monitoring device can carry out the technical effect effectively, accurately detected to gas collection well Cheng Jingqian landfill gas.
Detailed description of the invention
Fig. 1 is that the structure of landfill gas provided in an embodiment of the present invention collection well Cheng Jingqian landfill gas monitoring device is shown
It is intended to.
(component that each label represents in diagram successively are as follows: 1 pedestal cylinder, 2 fixed cylinders, 3 conduit reels, 4 air valves, 5 organic glass
Glass cylindrical body, 6 sampling catheters, 7 aspiration pumps, 8 gas-storing bags, 9 stop collars, 10 conductor rope reels, 11 temperature sensors, 12 humidity sensors
Device, 13 dry filter components, 14 gas sample analyzers)
Specific embodiment
The embodiment of the present application provides a kind of landfill gas and collects well Cheng Jingqian landfill gas monitoring device, solve or
Part solve in the prior art the technical issues of without gas collection well Cheng Jingqian landfill gas monitoring device, by setting by
The landfill gas that fixed cylinder, conductor rope reel, conduit reel, stop collar, sampling catheter, sampling pipe and aspiration pump form collects well
Sampling catheter is put into the different depth of detection hole by scaling lifting rope, passes through aspiration pump by Cheng Jingqian landfill gas monitoring device
The gas sample that will test different depth in hole is sent into gas sample analyzer, gas along the sampling catheter, hose, sampling pipe
Sample analyser tests and analyzes gas sample, when gas sample reaches established standards, that is, can determine the gas of landfill yard
Body is collected well and should be opened up in the detection hole position；It realizes and a kind of simple landfill gas monitoring device of structure is provided,
The technical effect effectively, accurately detected can be carried out to gas collection well Cheng Jingqian landfill gas.
Referring to attached drawing 1, a kind of landfill gas collection well Cheng Jingqian landfill gas monitoring device provided by the invention, packet
It includes: fixed cylinder 2, conductor rope reel 10, conduit reel 3, stop collar 9, sampling catheter 6, sampling pipe and aspiration pump 7.
The inside of fixed cylinder 2 be it is hollow, top center opens up first through hole, and bottom, which correspond to first through hole and offers second, to be led to
Hole；Fixed cylinder 2 can play thermal insulation function；The detection hole of second through-hole face landfill yard is arranged；The setting of conductor rope reel 10 exists
The top of fixed cylinder 2；Lifting rope is wound on conductor rope reel 10；Conductor rope reel 10 lengthens or receives drop shot rope by rotation；Conduit volume
The top of fixed cylinder 2 is arranged in cylinder 3；The inner disk of conduit reel 3 is wound with hose；The bottom of conduit reel 3 is stretched out in the bottom end of hose
Portion's guide hole；Stop collar 9 is fixed on the top of fixed cylinder 2 by support rod, plays limit and supporting role to lifting rope and hose；Limit
Position ring 9 and first through hole or the concentric setting of the second through-hole；Sampling catheter 6 is fixedly connected with the end of lifting rope, is hung and is located at limit
On ring 9；The bottom end of hose is docked and connected after passing through stop collar 9 with sampling catheter 6；Sampling catheter 6 follows lengthening or receiving for lifting rope
Short progress is down or up；Hose follows the down or up of sampling catheter 6 to stretch out or contract from the bottom guide hole of conduit reel 3
It returns；The top of top guide hole and hose that one end of sampling pipe passes through conduit reel 3 is docked and connected, and the other end connects gas sample
Analyzer 14；Aspiration pump 7 is arranged on sampling pipe.
Wherein, sampling catheter 6 is put into the different depth of detection hole by scaling lifting rope, hole will test by aspiration pump 7
The gas sample of interior different depth is sent into gas sample analyzer 14, gas sample analysis along sampling catheter 6, hose, sampling pipe
Instrument 14 tests and analyzes gas sample, when gas sample reaches established standards, that is, can determine the gas collection of landfill yard
Well should be opened up in the detection hole position.I.e. the landfill gas monitoring device can be in gas collection well Cheng Jingqian, to landfill
The ingredient and concentration of gas are sampled monitoring, to determine at this if appropriate for as gas collection well, specifically: sampling catheter
6 drop to the different depth of the detection hole of landfill yard, extract gas sample respectively, when the gas that gas sample analyzer 14 detects
When sample reaches established standards, determine that detection hole is gas collection well position.Meanwhile the device sampling flexibly, can be at any time
It samples, is high-efficient, pressure stabilization, the achievable sampling from surface to different depth can protect well head.
Further, monitoring device further include: pedestal cylinder 1；Pedestal cylinder 1 is hollow open cylinder；Pedestal cylinder 1 be open to
Lower cover is located in the detection hole of landfill yard；The top center of pedestal cylinder 1 opens up third through-hole；The hole of third through-hole and the second through-hole
Diameter is identical；Third through-hole and detection hole are coaxially disposed；The bottom of fixed cylinder 2 is fixed on pedestal cylinder 1, and the second through-hole and third are logical
Hole is overlapped.The bottom of fixed cylinder 2 is bolted to connection with pedestal cylinder 1；The aperture of third through-hole or the second through-hole is not more than
The internal diameter of detection hole；Fixed cylinder 2 and the material of pedestal cylinder 1 are stainless steel.Detection hole on the one hand can be protected by the way that pedestal cylinder 1 is arranged
Structural stability itself, prevent its deform or blocking and influence the detection of gas sample, protect well head, it is easy for subsequent system
Monitoring well is prepared, and on the other hand, facilitates the installation and fixation of fixed cylinder 2.
Further, further includes: Plexiglas cylinder 5, top opens up downwards air slot, if lower part is provided with dry gas
Hole, gas control being arranged radially along Plexiglas cylinder 5, can also be arranged in the bottom of Plexiglas cylinder 5；Stomata
It is connected to air slot；The bottom end of sampling catheter 6 is fastened in air slot.The bottom end outer wall of sampling catheter 6 is provided with external screw thread；It leads
Air drain is provided with internal screw thread；Sampling catheter 6 is screwed with Plexiglas cylinder 5 and connect；The outer diameter of Plexiglas cylinder 5
Less than the aperture of the second through-hole.Plexiglas cylinder 5 can play certain filtration to the gas sample in detection hole.
Further, further includes: gas-storing bag 8, temperature sensor 11, humidity sensor 12, dry filter component 13 and gas
Valve 4；Gas-storing bag 8 is arranged on sampling pipe；Gas-storing bag 8 is between aspiration pump 7 and gas sample analyzer 14, for collecting gas
Body sample.Temperature sensor 11 is arranged on sampling pipe, between gas-storing bag 8 and gas sample analyzer 14, detection gas
The temperature of sample；Humidity sensor 12 is arranged on sampling pipe, between temperature sensor 11 and gas sample analyzer 14,
The humidity of detection gas sample；Dry filter component 13 is arranged on sampling pipe, is located at humidity sensor 12 and gas sample point
Between analyzer 14, can gas sample be dehumidified and be filtered.Air valve 4 is arranged on sampling pipe, is located at conduit reel 3 and pumping
Between pump 7, for controlling gas circulation or cutting in sampling pipe, another drying can be set between air valve 4 and aspiration pump 7
Filter element.
Further, further includes: lifting rope length metering component is arranged on conductor rope reel 10, according to conductor rope reel 10
Turnning circle determines that lifting rope lengthens or receive short length.
Further, an information acquisition module can also be set, by information acquisition module and aspiration pump 7, temperature sensor
11, humidity sensor 12, gas sample analyzer 14 and lifting rope length metering component are electrically connected, to show the shape of aspiration pump 7
State information, the temperature of gas sample, humidity, ingredient and concentration information, sampling catheter 6 protrude into the depth information of detection hole.
One or more technical solutions provided herein, have at least the following technical effects or advantages:
Due to using by fixed cylinder 2, conductor rope reel 10, conduit reel 3, stop collar 9, sampling catheter 6, sampling pipe and pumping
The landfill gas that air pump 7 forms collects well Cheng Jingqian landfill gas monitoring device, and fixed cylinder 2 opens up first through hole and second logical
Hole；The detection hole of second through-hole face landfill yard is arranged；It is wound with lifting rope on conductor rope reel 10, can lengthen or receive drop shot rope；It leads
3 inner disk of pipe reel is wound with hose；The bottom guide hole of conduit reel 3 is stretched out in the bottom end of hose；Stop collar 9 and first through hole or the
The concentric setting of two through-holes；Sampling catheter 6 is fixedly connected with the end of lifting rope, is hung and is located on stop collar 9；The bottom end of hose passes through
It is docked and connected after stop collar 9 with sampling catheter 6；Sampling catheter 6 follow lifting rope lengthen or receive it is short carry out it is down or up；Hose
The down or up of sampling catheter 6 is followed to stretch out or retract from the bottom guide hole of conduit reel 3；The top of sampling pipe one end and hose
End is docked and connected, and the other end connects gas sample analyzer 14；Aspiration pump 7 is arranged on sampling pipe；It will be taken by scaling lifting rope
Sample conduit 6 is put into the different depth of detection hole, will test the gas sample of different depth in hole along sampling catheter by aspiration pump 7
6, hose, sampling pipe are sent into gas sample analyzer 14, and gas sample analyzer 14 tests and analyzes gas sample, work as gas
When body sample reaches established standards, that is, it can determine that the gas collection well of landfill yard should be opened up in the detection hole position.This
Sample realizes the technical issues of efficiently solving in the prior art without gas collection well Cheng Jingqian landfill gas monitoring device
A kind of simple landfill gas monitoring device of structure is provided, gas collection well Cheng Jingqian landfill gas can be carried out effectively, accurately
The technical effect of detection.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (10)
1. a kind of landfill gas collects well Cheng Jingqian landfill gas monitoring device characterized by comprising
Fixed cylinder, inside be it is hollow, top center opens up first through hole, and bottom, which correspond to the first through hole and offers second, to be led to
Hole；The detection hole of landfill yard described in the second through-hole face is arranged；
The top of the fixed cylinder is arranged in conductor rope reel；Lifting rope is wound on the conductor rope reel；The conductor rope reel passes through
Rotation lengthens or receives the short lifting rope；
The top of the fixed cylinder is arranged in conduit reel；The inner disk of the conduit reel is wound with hose；The bottom of the hose
The bottom guide hole of the conduit reel is stretched out at end；
Stop collar is fixed on the top of the fixed cylinder by support rod；The stop collar and the first through hole or described the
The concentric setting of two through-holes；
Sampling catheter is fixedly connected with the end of the lifting rope, and passes through the stop collar；The bottom end of the hose passes through described
It is docked and connected after stop collar with the sampling catheter；The sampling catheter follow the lifting rope lengthen or receive it is short carry out decline or
Rise；The hose follows the down or up of the sampling catheter to stretch out or retract from the bottom guide hole of the conduit reel；
Sampling pipe, one end passes through the top guide hole of the conduit reel and the top of the hose is docked and connected, other end connection
Gas sample analyzer；
Aspiration pump is arranged on the sampling pipe.
2. landfill gas as described in claim 1 collects well Cheng Jingqian landfill gas monitoring device, which is characterized in that also wrap
It includes:
Pedestal cylinder, for hollow open cylinder；The pedestal cylinder Open Side Down lid be located in the detection hole of the landfill yard；
The top center of the pedestal cylinder opens up third through-hole；The third through-hole is identical as the aperture of second through-hole；
The third through-hole and the detection hole are coaxially disposed；
The bottom of the fixed cylinder is fixed on the top of the pedestal cylinder, and second through-hole is overlapped with the third through-hole.
3. landfill gas as claimed in claim 2 collects well Cheng Jingqian landfill gas monitoring device, which is characterized in that
The bottom of the fixed cylinder is bolted to connection with the pedestal cylinder；
The aperture of the third through-hole or the second through-hole is not more than the internal diameter of the detection hole；
The fixed cylinder and the material of the pedestal cylinder are stainless steel.
4. landfill gas as described in claim 1 collects well Cheng Jingqian landfill gas monitoring device, which is characterized in that also wrap
It includes:
Plexiglas cylinder, top open up downwards air slot, and lower part is provided with several stomatas；
The stomata is connected to the air slot；
The bottom end of the sampling catheter is fastened in the air slot.
5. landfill gas as claimed in claim 4 collects well Cheng Jingqian landfill gas monitoring device, which is characterized in that
The bottom end outer wall of the sampling catheter is provided with external screw thread；
The air slot is provided with internal screw thread；
The sampling catheter is screwed with the Plexiglas cylinder and connect；
The outer diameter of the Plexiglas cylinder is less than the aperture of second through-hole.
6. landfill gas as described in claim 1 collects well Cheng Jingqian landfill gas monitoring device, which is characterized in that also wrap
It includes:
Gas-storing bag is arranged on the sampling pipe；
The gas-storing bag is between the aspiration pump and the gas sample analyzer.
7. landfill gas as claimed in claim 6 collects well Cheng Jingqian landfill gas monitoring device, which is characterized in that also wrap
It includes:
Temperature sensor is arranged on the sampling pipe, between the gas-storing bag and the gas sample analyzer；
Humidity sensor is arranged on the sampling pipe, between the temperature sensor and the gas sample analyzer；
Dry filter component is arranged on the sampling pipe, be located at the humidity sensor and the gas sample analyzer it
Between.
8. landfill gas as described in claim 1 collects well Cheng Jingqian landfill gas monitoring device, which is characterized in that also wrap
It includes:
Air valve is arranged on the sampling pipe, between the conduit reel and the aspiration pump.
9. landfill gas as described in claim 1 collects well Cheng Jingqian landfill gas monitoring device, which is characterized in that also wrap
It includes:
Lifting rope length metering component is arranged on the conductor rope reel, according to the determination of the turnning circle of the conductor rope reel
Lifting rope lengthens or receives short length.
10. landfill gas as described in claim 1 collects well Cheng Jingqian landfill gas monitoring device, which is characterized in that
The sampling catheter drops to the different depth of the detection hole of the landfill yard, extracts gas sample respectively, when the gas
When the gas sample of body sample analyser detection reaches established standards, determine the detection hole for the gas collection well institute
In position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710795155.2A CN107782851B (en) | 2017-09-06 | 2017-09-06 | A kind of landfill gas collection well Cheng Jingqian landfill gas monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710795155.2A CN107782851B (en) | 2017-09-06 | 2017-09-06 | A kind of landfill gas collection well Cheng Jingqian landfill gas monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107782851A CN107782851A (en) | 2018-03-09 |
| CN107782851B true CN107782851B (en) | 2019-04-19 |
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ID=61437828
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000009721A (en) * | 1998-06-19 | 2000-01-14 | Mitsui Kinzoku Shigen Kaihatsu Kk | Investigation method of soil pollution |
| CN2741051Y (en) * | 2004-09-28 | 2005-11-16 | 王大逊 | On-the-spot tester of embedded gas |
| KR20120124534A (en) * | 2011-05-04 | 2012-11-14 | 한국지질자원연구원 | Soil radon gas measuring system for uranium exploration |
| CN203595536U (en) * | 2013-12-03 | 2014-05-14 | 北京市勘察设计研究院有限公司 | Temperature, humidity and gas concentration monitoring device of stock refuse landfill |
| CN206248629U (en) * | 2016-11-10 | 2017-06-13 | 北京国环清华环境工程设计研究院有限公司 | A kind of on-Line Monitor Device of refuse landfill gas |
-
2017
- 2017-09-06 CN CN201710795155.2A patent/CN107782851B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000009721A (en) * | 1998-06-19 | 2000-01-14 | Mitsui Kinzoku Shigen Kaihatsu Kk | Investigation method of soil pollution |
| CN2741051Y (en) * | 2004-09-28 | 2005-11-16 | 王大逊 | On-the-spot tester of embedded gas |
| KR20120124534A (en) * | 2011-05-04 | 2012-11-14 | 한국지질자원연구원 | Soil radon gas measuring system for uranium exploration |
| CN203595536U (en) * | 2013-12-03 | 2014-05-14 | 北京市勘察设计研究院有限公司 | Temperature, humidity and gas concentration monitoring device of stock refuse landfill |
| CN206248629U (en) * | 2016-11-10 | 2017-06-13 | 北京国环清华环境工程设计研究院有限公司 | A kind of on-Line Monitor Device of refuse landfill gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107782851A (en) | 2018-03-09 |
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