JP4805680B2 - Gas-liquid mixed fluid observation device in the ground - Google Patents
Gas-liquid mixed fluid observation device in the ground Download PDFInfo
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- JP4805680B2 JP4805680B2 JP2006001295A JP2006001295A JP4805680B2 JP 4805680 B2 JP4805680 B2 JP 4805680B2 JP 2006001295 A JP2006001295 A JP 2006001295A JP 2006001295 A JP2006001295 A JP 2006001295A JP 4805680 B2 JP4805680 B2 JP 4805680B2
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- 238000000926 separation method Methods 0.000 claims description 39
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- 239000000463 material Substances 0.000 claims description 6
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- 239000007789 gas Substances 0.000 description 38
- 239000013256 coordination polymer Substances 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
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- 229910052734 helium Inorganic materials 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Geophysics And Detection Of Objects (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Description
本発明は、地下水及び地下ガスの状況を継続的に監視することを可能にする、地中の気液混合流体の観測装置に関する。 The present invention relates to an underground gas-liquid mixed fluid observation apparatus that enables continuous monitoring of groundwater and underground gas conditions.
従来から、地殻変動特に地震予知に関する研究は各方面において盛んに行われているが、地震予知の難しさは未だ克服されていないのが実情である。 Conventionally, research on crustal deformation, especially earthquake prediction, has been actively conducted in various fields, but the difficulty of earthquake prediction has not yet been overcome.
ところで、これらの研究成果の一つとして、観測井から採取した各種のガス及びイオン（水素ガス,ヘリウムガス,一酸化炭素,二酸化炭素,水素イオン及び炭酸水素イオンなど）の観測値が震源の浅い地震に対して応答した場合、それらの発生量が地震性破壊に伴う破壊表面積および破壊に伴う間隙率の増加に関係あることが分っている。また、近年、温泉水等の化学組成及びガス組成の変動も地震との関連が明らかにされてきた。 By the way, as one of these research results, the observed values of various gases and ions (hydrogen gas, helium gas, carbon monoxide, carbon dioxide, hydrogen ion, hydrogen carbonate ion, etc.) collected from the observation well are shallow in the epicenter When responding to earthquakes, it has been found that their generation is related to the increase in fracture surface area associated with seismic failure and the porosity associated with failure. In recent years, changes in chemical composition and gas composition of hot spring water and the like have also been revealed to be related to earthquakes.
本発明は、この研究成果に基づいて、地震予知等のために、地下水及び地下ガスの継続的な監視を行うことを可能にする、地中の気液混合流体の観測装置を提供することを目的とする。 Based on the results of this research, the present invention provides an observation apparatus for underground gas-liquid mixed fluid that enables continuous monitoring of groundwater and underground gas for earthquake prediction and the like. Objective.
上記目的を達成するため、本発明による気液混合流体観測装置は、掘削孔内より水とガスとの混合流体を汲み上げる揚水手段と、該揚水手段により汲み上げられた水とガスとを分離する気液分離手段と、該気液分離手段により分離された水の量と水質を測定する水量及び水質測定手段と、前記気液分離手段により分離されたガスの分析測定手段と、前記水量及び水質測定手段と前記分析測定手段による測定データを記録する記録手段とを備え、前記気液分離手段は、前記揚水手段の吐出側に接続されていて赤外線透過材料よりなる分離筒本体と、該分離筒本体に接続されていて分離した水を前記水量及び水質測定手段に輸送するための水輸送管と、該分離筒本体に接続されていて分離したガスを前記分析測定手段に輸送するためのガス輸送管と、該ガス輸送管に設けられた電磁弁と、所定位置で該分離筒本体を横切るように赤外光を射出する赤外光射出装置と、該赤外光射出装置から射出された前記赤外光を受光する赤外光受光装置とを有するガス水分離筒とを含み、前記所定位置よりも水位が上がり前記赤外光が遮断されたときに前記電磁弁を閉弁し、前記所定位置よりも水位が下がり前記赤外光の遮断が解除されたときに前記電磁弁を開弁させる。 In order to achieve the above object, a gas-liquid mixed fluid observation apparatus according to the present invention comprises a pumping means for pumping a mixed fluid of water and gas from a borehole, and an air for separating the water and gas pumped by the pumping means. Liquid separation means, water quantity and water quality measurement means for measuring the amount and quality of water separated by the gas-liquid separation means, gas analysis and measurement means for gas separated by the gas-liquid separation means, and water quantity and water quality measurement And a recording means for recording data measured by the analytical measurement means , wherein the gas-liquid separation means is connected to the discharge side of the pumping means and is made of an infrared transmitting material, and the separation cylinder main body A water transport pipe for transporting the separated water connected to the water quantity and water quality measuring means, and a gas transport pipe for transporting the separated gas connected to the separation cylinder body to the analysis measuring means A solenoid valve provided in the gas transport pipe, an infrared light emitting device that emits infrared light so as to cross the separation cylinder body at a predetermined position, and the infrared light emitted from the infrared light emitting device A gas water separation cylinder having an infrared light receiving device for receiving light, and when the water level is higher than the predetermined position and the infrared light is shut off, the electromagnetic valve is closed, and from the predetermined position. When the water level drops and the infrared light is released from the cutoff, the solenoid valve is opened .
本発明によれば、前記揚水手段は、好ましくは、前記掘削孔内に挿入されたスリット管に接続されたチューブポンプである。 According to the present invention, the pumping means is preferably a tube pump connected to a slit pipe inserted into the excavation hole.
また、本発明によれば、前記ガス水分離筒は、好ましくは、前記分離筒本体の内部に赤外光遮断材料よりなるフロートが封入されており、該フロートにより前記赤外光の遮断及び遮断の解除を行う。 Further, according to the present invention, the gas water separation cylinder preferably has a float made of an infrared light blocking material enclosed in the separation cylinder main body, and the infrared light is blocked and blocked by the float. Release .
また、本発明によれば、前記分析測定手段は、好ましくは、四重極型質量分析計を含んでいる。 Further, according to the present invention, the analytical measurement means preferably includes a quadrupole mass spectrometer.
また、本発明によれば、前記水量及び水質測定手段は、好ましくは、前記気液分離手段に接続された水量測定手段と、該水量測定手段に接続された水質測定手段とを含んでいる。
また、本発明によれば、前記ガス輸送管は、好ましくは、差圧計を有しており、該差圧計で計測されるガス圧が所定圧に達したときに前記電磁弁を開弁させる。
また、本発明によれば、好ましくは、前記気液分離手段と前記分析測定手段との間に、コールドトラップを備えている。
さらに、本発明によれば、好ましくは、地中約２００ｍの深さから前記水とガスとの混合流体を汲み上げる。
Further, according to the present invention, the water amount and water quality measuring means preferably includes a water amount measuring means connected to the gas-liquid separating means and a water quality measuring means connected to the water amount measuring means.
According to the invention, the gas transport pipe preferably has a differential pressure gauge, and opens the electromagnetic valve when the gas pressure measured by the differential pressure gauge reaches a predetermined pressure.
According to the present invention, preferably, a cold trap is provided between the gas-liquid separation means and the analysis measurement means.
Furthermore, according to the present invention, preferably, the mixed fluid of water and gas is pumped from a depth of about 200 m in the ground.
本発明によれば、得られたデータを監視することにより、地震等の地殻変動を比較的高い確度で予知することができるばかりか、入浴用温泉としての適否等を適確に知ることのできる、地中の気液混合流体の観測装置を提供することができる。 According to the present invention, by monitoring the obtained data, it is possible not only to predict crustal movements such as earthquakes with relatively high accuracy, but also to know the suitability as a hot spring for bathing. An apparatus for observing gas-liquid mixed fluid in the ground can be provided.
以下、本発明の実施形態を図示した実施例に基づき説明する。
図１は本発明装置の全体構成を示す概略図、図２は気液分離手段としてのガス水分離筒の詳細図である。
Hereinafter, embodiments of the present invention will be described based on the illustrated examples.
FIG. 1 is a schematic diagram showing the overall configuration of the apparatus of the present invention, and FIG.
図１において、Ｈは地中約２００ｍの深さまで掘削された掘削孔内に打ち込まれたスリット管、Ｐ１はスリット管Ｈ内に挿入されてチュービングポンプＣＰの吸入側に接続された水とガスとの混合流体を採取するための採取管、ＣＹはチュービングポンプＣＰの吐出側に接続されたガス水分離筒、Ｐ２は流量測定手段としての流量計ＦＭを介してガス水分離筒ＣＹで分離された水を水質測定手段としての水質側定機ＷＭへ輸送するための水輸送管、ＲＣ１は流量計ＦＭの計測値を記録するためのパソコン等を含む記録装置、ＲＣ２は水質側定機ＷＭの測定値を記録するためのパソコン等を含む記録装置、Ｐ３は差圧計ＰＭＤ,電磁弁ＥＶ,コールドトラップＣＴ及び圧力計ＰＭを介してガス水分離筒ＣＹで分離されたガスをガス分析測定手段としての四重極型質量分析計ＱＭＳへ輸送するためのガス輸送管、ＲＣ３は質量分析計ＱＭＳの計測値を記録するためのパソコン等を含む記録装置である。 In FIG. 1, H is a slit tube driven into a drilling hole excavated to a depth of about 200 m in the ground, and P1 is water and gas inserted into the slit tube H and connected to the suction side of the tubing pump CP. A sampling tube for collecting the mixed fluid, CY is a gas water separation cylinder connected to the discharge side of the tubing pump CP, and P2 is separated by a gas water separation cylinder CY through a flow meter FM as a flow rate measuring means. A water transport pipe for transporting water to a water quality side machine WM as a water quality measuring means, RC1 is a recording device including a personal computer for recording the measurement value of the flowmeter FM, RC2 is a measurement of the water quality side machine WM A recording device including a personal computer or the like for recording a value, P3 is a gas analysis measuring means for gas separated by a gas water separation cylinder CY via a differential pressure gauge PMD, a solenoid valve EV, a cold trap CT and a pressure gauge PM Gas transport pipe for transporting the quadrupole mass spectrometer QMS of Te, RC3 is a recording device, such as a personal computer or the like for recording the measured values of the mass spectrometer QMS.
図２はガス水分離筒ＣＹの詳細構造を示す。図中、Ｂはアクリル等の赤外光透過材料よりなる分離筒本体、Ｆは分離筒本体Ｂ内に封入された赤外光遮断材料よりなるフロート、Ｅは赤外光射出装置、Ｒは赤外光受光装置である。赤外光射出装置Ｅと赤外光受光装置Ｒとは、光スイッチを構成して電磁弁ＥＶに接続されており、分離筒本体Ｂ内の水位が所定水位にあって赤外光射出装置Ｅからの赤外光がフロートＦにより遮断されているときは電磁弁ＥＶを閉弁させ、分離筒本体Ｂ内の水位が所定水位より下がってフロートＦによる上記赤外光の遮断が解除されたとき電磁弁ＥＶを開弁させ得るように配置されている。 FIG. 2 shows a detailed structure of the gas water separation cylinder CY. In the figure, B is a separation cylinder body made of an infrared light transmitting material such as acrylic, F is a float made of an infrared light blocking material enclosed in the separation cylinder body B, E is an infrared light emitting device, and R is red. This is an external light receiving device. The infrared light emitting device E and the infrared light receiving device R constitute an optical switch and are connected to the electromagnetic valve EV. The water level in the separation cylinder body B is at a predetermined water level, and the infrared light emitting device E When the infrared light from is blocked by the float F, the electromagnetic valve EV is closed, and when the water level in the separation cylinder main body B falls below the predetermined water level, the blocking of the infrared light by the float F is released It is arranged to the solenoid valve EV capable of valve opening.
なお、上記のガス水分離筒ＣＹを除くその他の機器は、全て公知のものを使用しているので、それらの構成及び作用の詳細な説明は省略する。 Since all other devices except the gas water separation cylinder CY described above are well-known devices, detailed description of their configuration and operation will be omitted.
次に、上記観測装置の作用を説明する。
装置の作動開始により、採取管Ｐ１を介してチュービングポンプＣＰにより汲み上げられたスリット管Ｈ内の水とガスの混合流体は、ガス水分離筒ＣＹ内でガスと水とに分離されながら水位は上昇し、その水位が所定水位に達して電磁弁ＥＶが閉弁される。そして、水は水輸送管Ｐ２により流量計ＦＭを経て水質側定機ＷＭへ、ガスはガス水分離筒ＣＹの上部と電磁弁ＥＶに至るまでのガス輸送管Ｐ３内に溜まって行く。かくして分離筒上部のガス圧が上昇し、その差圧が差圧計ＰＤＭで計測され、予め設定されている所定圧に達すると、差圧計ＰＤＭから信号が出力され、その出力信号に基づいて電磁弁ＥＶが開弁せしめられる。従って、分離筒上部に貯留されていたガスは、ガス輸送管Ｐ３によりコールドトラップＣＴを経て質量分析計ＱＭＳへ送られ、周知の方法で組成が分析されて、その結果は記録装置ＲＣ３に記録される。また、流量計ＦＭで計測された水量は記録装置ＲＣ１に、水質側定機ＷＭにより測定された値は周知の方法で記録装置ＲＣ２にそれぞれ記録される。
Next, the operation of the observation apparatus will be described.
The water level rises while the mixed fluid of water and gas in the slit pipe H pumped up by the tubing pump CP through the sampling pipe P1 is separated into gas and water in the gas water separation cylinder CY by starting the operation of the apparatus. Then, the water level reaches a predetermined water level, and the electromagnetic valve EV is closed. Then, water accumulates in the gas transport pipe P3 from the water transport pipe P2 through the flow meter FM to the water quality side constant machine WM, and the gas reaches the upper part of the gas water separation cylinder CY and the electromagnetic valve EV. Thus, the gas pressure at the upper part of the separation cylinder rises, the differential pressure is measured by the differential pressure gauge PDM, and when a predetermined pressure set in advance is reached, a signal is output from the differential pressure gauge PDM, and the solenoid valve is based on the output signal. EV is opened. Therefore, the gas stored in the upper part of the separation cylinder is sent to the mass spectrometer QMS through the cold trap CT by the gas transport pipe P3, the composition is analyzed by a well-known method, and the result is recorded in the recording device RC3. The Further, the amount of water measured by the flow meter FM is recorded in the recording device RC1, and the value measured by the water quality side constant machine WM is recorded in the recording device RC2 by a known method.
上記のようにして電磁弁ＥＶが開弁せしめられると、分離筒上部のガス圧は徐々に減少するから、ガス水分離筒ＣＹ内の水位は徐々に上昇し、これと共に上昇するフロートＦにより赤外光射出装置Ｅから赤外光受光装置Ｒへ達していた赤外光が遮断され、これにより電磁弁ＥＶは閉弁せしめられる。
このようにして作動の一サイクルが終了し、再び上記の作動が開始されて、このサイクルが繰り返される。
When the solenoid valve EV is opened as described above, the gas pressure in the upper part of the separation cylinder gradually decreases, so that the water level in the gas water separation cylinder CY gradually rises, and the float F that rises with this increases the red level. The infrared light that has reached the infrared light receiving device R from the external light emitting device E is blocked, and the electromagnetic valve EV is thereby closed.
In this way, one cycle of operation is completed, the above operation is started again, and this cycle is repeated.
本発明装置は、以上説明したように作動するから、長期に亘る地下ガス成分及び地下水の水質の監視が可能となり、得られた記録データから、研究成果を参照しながら、地震等の地殻変動を予知したり、温泉の変化等を適確に把握したりすることができる。 Since the device of the present invention operates as described above, it becomes possible to monitor the underground gas components and groundwater quality over a long period of time. It is possible to predict and accurately grasp changes in hot springs.
以上実施例では、光スイッチに赤外光を用いたり、記録装置を各計測手段毎に設けたりしたが、これに限定されるものではなく、赤外光以外の光を用いたり、各記録装置をユニットとして集約させたりすることも可能であり、本発明の範囲を逸脱することなしに、種々の変形及び修正が可能である。 In the above embodiments, infrared light is used for the optical switch or a recording device is provided for each measuring means. However, the present invention is not limited to this, and light other than infrared light can be used. Can be integrated as a unit, and various changes and modifications can be made without departing from the scope of the present invention.
Ｈ スリット管
Ｐ１ 採取管
ＣＰ チュービングポンプ
ＣＹ ガス水分離筒
ＦＭ 流量計
ＲＣ１,ＲＣ２,ＲＣ３ 記録装置
Ｐ２ 水輸送管
ＷＭ 水質測定機
ＰＤＭ 差圧計
ＥＶ 電磁弁
Ｐ３ ガス輸送管
ＣＴ コールドフラップ
ＰＭ 圧力計
ＱＭＳ 質量分析計
Ｂ ガス水分離筒の本体
Ｅ 赤外光射出装置
Ｆ フロート
Ｒ 赤外光受光装置
H Slit tube P1 Sampling tube CP Tubing pump CY Gas water separator FM Flow meter RC1, RC2, RC3 Recording device P2 Water transport pipe WM Water quality measuring machine PDM Differential pressure gauge EV Solenoid valve P3 Gas transport pipe CT Cold flap PM Pressure gauge QMS Mass Analyzer B Main body of gas water separation tube E Infrared light emitting device F Float R Infrared light receiving device
Claims (8)
前記気液分離手段は、前記揚水手段の吐出側に接続されていて赤外線透過材料よりなる分離筒本体と、該分離筒本体に接続されていて分離した水を前記水量及び水質測定手段に輸送するための水輸送管と、該分離筒本体に接続されていて分離したガスを前記分析測定手段に輸送するためのガス輸送管と、該ガス輸送管に設けられた電磁弁と、所定位置で該分離筒本体を横切るように赤外光を射出する赤外光射出装置と、該赤外光射出装置から射出された前記赤外光を受光する赤外光受光装置とを有するガス水分離筒とを含み、
前記所定位置よりも水位が上がり前記赤外光が遮断されたときに前記電磁弁を閉弁し、前記所定位置よりも水位が下がり前記赤外光の遮断が解除されたときに前記電磁弁を開弁させる、気液混合流体観測装置。 Pumping means for pumping a mixed fluid of water and gas from the borehole, gas-liquid separation means for separating water and gas pumped by the pumping means, and the amount of water separated by the gas-liquid separation means; Water quantity and water quality measurement means for measuring water quality, analysis and measurement means for gas separated by the gas-liquid separation means, and recording means for recording measurement data by the water quantity and water quality measurement means and the analysis measurement means ,
The gas-liquid separating means is connected to the discharge side of the pumping means and transports the separated cylinder body made of an infrared transmitting material and the separated water connected to the separation cylinder body to the water quantity and water quality measuring means. A water transport pipe, a gas transport pipe connected to the separation cylinder main body for transporting the separated gas to the analytical measurement means, an electromagnetic valve provided in the gas transport pipe, A gas water separation cylinder having an infrared light emitting device for emitting infrared light so as to cross the separation tube main body, and an infrared light receiving device for receiving the infrared light emitted from the infrared light emitting device; Including
The electromagnetic valve is closed when the water level rises above the predetermined position and the infrared light is blocked, and the electromagnetic valve is closed when the water level falls below the predetermined position and the blocking of the infrared light is released. Gas-liquid mixed fluid observation device that opens the valve .
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| CN102486426A (en) * | 2010-12-06 | 2012-06-06 | 淮南矿业(集团)有限责任公司 | Gas pressure measurement device |
| JP5465737B2 (en) * | 2012-01-27 | 2014-04-09 | 中国電力株式会社 | Sample gas sampling device |
| JP6337405B2 (en) * | 2016-01-21 | 2018-06-06 | 秀実 田中 | Gas purification / discharge unit for underground gas-liquid mixed fluid observation equipment |
| JP6288783B2 (en) * | 2016-01-21 | 2018-03-07 | 秀実 田中 | Gas extraction / separation unit for gas-liquid mixed fluid observation equipment in the ground |
| CN115753263B (en) * | 2022-11-22 | 2024-02-02 | 张家口地震监测中心站 | Gas collecting device for continuous measurement of chemical quantity of non-self-flowing well |
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| JPS56122932A (en) * | 1980-03-05 | 1981-09-26 | Nippon Oil Co Ltd | Collecting and detecting device for leaked fluid |
| JPS62203438U (en) * | 1986-06-16 | 1987-12-25 | ||
| JPH0735997B2 (en) * | 1987-11-18 | 1995-04-19 | キッコーマン株式会社 | Liquid analyzer |
| JP2559654B2 (en) * | 1992-05-19 | 1996-12-04 | 株式会社日さく | Equipment for monitoring and decontaminating groundwater flow rate and specific water quality |
| JPH1110130A (en) * | 1997-06-20 | 1999-01-19 | Kawasaki Steel Corp | Method and apparatus for removal of underground pollutant |
| JP3348028B2 (en) * | 1998-10-21 | 2002-11-20 | 横河電機株式会社 | Volcanic phreatic explosion prediction system |
| JP3615064B2 (en) * | 1998-11-02 | 2005-01-26 | 同和鉱業株式会社 | Contaminated soil purification method |
| JP2001141717A (en) * | 1999-11-16 | 2001-05-25 | Tlv Co Ltd | Property measuring device of vapor |
| JP2001146767A (en) * | 1999-11-24 | 2001-05-29 | Doriko Kk | Well for cleaning ground water, ground water-cleaning device using it, and ground water-cleaning method |
| JP2005150027A (en) * | 2003-11-19 | 2005-06-09 | Toyota Motor Corp | Component measuring apparatus for humidifying gas |
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