JPS62108987A - Method of separating geothermal gas - Google Patents
Method of separating geothermal gasInfo
- Publication number
- JPS62108987A JPS62108987A JP24938685A JP24938685A JPS62108987A JP S62108987 A JPS62108987 A JP S62108987A JP 24938685 A JP24938685 A JP 24938685A JP 24938685 A JP24938685 A JP 24938685A JP S62108987 A JPS62108987 A JP S62108987A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- geothermal
- geothermal gas
- steam
- specific
- 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
Links
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は地熱プラントから排出される地熱ガスから）（
２Ｓ 、 ＮＨａ、 ８０２等の特定ガスを液化して分
離する方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention is directed to the use of geothermal gas (from geothermal gas discharged from a geothermal plant) (
The present invention relates to a method of liquefying and separating specific gases such as 2S, NHa, and 802.
地熱蒸気に多量に含まれる不、凝結ガスや有害ガス（Ｈ
２Ｓ 、 ８０２等）は復水器より抽出され、そのま＼
大気放出されるか、或は多大な費用をかけ脱硫後大気放
出されており、地下に還元されていない。ところで、地
熱ガスのみを地下還元しようとすると、地下の高圧に対
抗する圧力をかけねばならず、又そのま＼地熱水に注入
しだのでは、還元井がガス閉鎖を起こし連続注入運転が
不可能になったりする。このため、従来は復水器より抽
出された地熱ガスは有害ガスの処理を行なって放出した
り、或はそのまま全量大気放出されていた。従って、地
熱ガスがそのまま大気放出されると周囲の環境汚染や発
電所の機器の腐蝕が常に問題となっているのが現状であ
る。Geothermal steam contains a large amount of non-condensed gas and harmful gas (H).
2S, 802, etc.) are extracted from the condenser and directly
It is either released into the atmosphere or released into the atmosphere after desulfurization at great expense, and is not returned to the underground. By the way, if you try to return only geothermal gas underground, you will have to apply pressure to counter the high pressure underground, and if you start injecting it directly into geothermal water, the reinjection well will close and the continuous injection operation will be interrupted. It becomes impossible. For this reason, in the past, geothermal gas extracted from a condenser was either treated to remove harmful gases and then released, or the entire amount was released into the atmosphere as is. Therefore, the current situation is that if geothermal gas is released into the atmosphere as it is, pollution of the surrounding environment and corrosion of power plant equipment are always a problem.
そこで先に本発明者らは、地熱ガスに含まれる少量の有
害成分の液化圧力が、多量の無害成分のそれよりも低い
という性質に着目して有害ガスを地下に還元する発明を
完成させた。Therefore, the present inventors first focused on the property that the liquefaction pressure of a small amount of harmful components contained in geothermal gas is lower than that of a large amount of harmless components, and completed an invention for returning harmful gas underground. .
すなわち、地熱プラントから構成される装置ガスをＨ２
Ｓ、 ＳＯ２等からなる有害成分の液化圧力逃昇圧し、
有害成分を液化させて分離の上。In other words, the equipment gas from the geothermal plant is converted into H2
Liquefaction pressure relief of harmful components such as S, SO2, etc. is increased,
Harmful components are liquefied and separated.
液相のみを地熱水等に混入させる等の手段により地下に
還元させることを特徴とする地熱ガス地下還元方法であ
る。This is a geothermal gas underground reduction method characterized by returning underground by means such as mixing only the liquid phase into geothermal water or the like.
これらの方法においては、地熱ガスを圧縮。In these methods, geothermal gas is compressed.
冷却することにより、有害ガスとされる地熱ガス中のＨ
２Ｓ 、 ＮＨ３、８０２等の特定ガスを液化分離する
もので、地熱ガスが通る冷却器の後流に気液セパレータ
や液吸収槽を設置するのが、一般的な方法である。第２
図はその一例を示す系統図であり、以下第２図を参照し
て説明する。By cooling, H in geothermal gas, which is considered to be harmful, is removed.
A common method for liquefying and separating specific gases such as 2S, NH3, and 802 is to install a gas-liquid separator or a liquid absorption tank downstream of a cooler through which geothermal gas passes. Second
The figure is a system diagram showing an example thereof, and will be explained below with reference to FIG. 2.
地熱ガスは図示されない復水器等から抽出され、導管１
を経て圧縮機３に導かれる。ここで圧縮された地熱ガス
は、冷却器４でＨ２Ｓ 、−当＋ＳＯ２等の特定ガスを
冷却媒体９により冷却して液化し１分離吸収槽５で地熱
ガスは完全にガス↓ ↓
成分と液体成分に分離される。Geothermal gas is extracted from a condenser, etc. (not shown), and is passed through conduit 1.
It is guided to the compressor 3 through the. The geothermal gas compressed here is liquefied by cooling specific gases such as H2S, -+SO2, etc. with a cooling medium 9 in a cooler 4, and the geothermal gas is completely converted into gas ↓ ↓ component and liquid component in a separation absorption tank 5. separated into
ところが地熱ガス中に１例えばＩ−ｈ Ｓ 、 ８０２
、 Ｎｌｌ３等の特定ガスの含有量が少ないと、冷却
の際、特定ガスが霧化したり、液化の際に、捕捉に十分
な大きさの粒子になれずにガスと共に系外に排出された
り、或いは機器表面に液化した特定ガスの薄膜が付着す
る丈で、特定ガスの捕捉が困難となり、気液セパレータ
や液吸収槽が犬がかりとなる等の不具合があった。However, in geothermal gas there are 1 e.g. I-h S, 802
, If the content of a specific gas such as Nll3 is low, the specific gas may atomize during cooling, or during liquefaction, may not become particles large enough to be captured and may be discharged from the system together with the gas. Alternatively, a thin film of the liquefied specific gas may adhere to the surface of the device, making it difficult to capture the specific gas, resulting in problems such as the gas-liquid separator and liquid absorption tank becoming trapped.
本発明は地熱プラントで復水器等より抽出された地熱ガ
スを圧縮・冷却して地熱ガス中のＨ２Ｓ 、 ＮＨ３、
ｓｏ２等の特定ガスのみを液化して分離する系の冷却器
より上流側の系に、混合室を設けて、上記地熱ガスに地
熱蒸気やターゼンより排出されるグランド漏洩蒸気等の
蒸気を混入させた後、該地熱ガスを圧縮・冷却して該地
熱ガス中の特定成分を液化し、液相のみを分離するよう
にしたことを特徴とする地熱ガス分離方法である。The present invention compresses and cools geothermal gas extracted from a condenser etc. in a geothermal plant to recover H2S, NH3, and
A mixing chamber is provided in the system upstream from the cooler of the system that liquefies and separates only specific gases such as SO2, and the geothermal gas is mixed with geothermal steam and steam such as ground leak steam discharged from Tarzen. This geothermal gas separation method is characterized in that the geothermal gas is then compressed and cooled to liquefy specific components in the geothermal gas, and only the liquid phase is separated.
上述したように地熱ガス分離系統に系外から蒸気を入れ
ることにより、地熱ガスを冷却した際に蒸気の粗大液化
粒子が核、或は吸収剤となり、微細な液化抽出ガスを吸
収するだめ９粒子が粗大化し、その捕捉が容易となる。As mentioned above, by introducing steam from outside the system into the geothermal gas separation system, when the geothermal gas is cooled, the coarse liquefied particles of the steam become the nucleus or absorbent, and the fine liquefied extracted gas is absorbed by the particles. becomes coarser and easier to capture.
第１図は本発明に係る１実施例を示す系統図で、以下図
面により説明する。FIG. 1 is a system diagram showing one embodiment of the present invention, which will be explained below with reference to the drawings.
図中の符号で、従来例を示す第２図中の符号と同一のも
のは、はぼ同様な構成であり説明を省略する。本実施例
が前記従来例と異なる点は。The reference numerals in the drawings that are the same as those in FIG. 2, which shows the conventional example, have substantially the same configurations, and their explanations will be omitted. This embodiment differs from the conventional example described above.
地熱ガスが導管１を経て、圧縮機３に導かれ。Geothermal gas is led to a compressor 3 via a conduit 1.
ここで圧縮された地熱ガスは、冷却器４でＨ２Ｓ。The compressed geothermal gas is converted into H2S in the cooler 4.
Ｎｌ−１３、８０２等の特定ガスを冷却媒体９により冷
却冷却器４より上流側に、系外からの蒸気（地熱蒸気、
タービングランド漏洩蒸気等）を導管８により混合室２
に導き、蒸気とガスとを混合した後、圧縮・冷却するこ
とにより最初に蒸気が液化し、粗大粒子を形成する様に
したことである。この段階で、この粗大粒子が微細なガ
スの液化粒子の核、又は吸収剤となり、冷却器４の後流
では、特定ガスと蒸気との混合した粗大液化粒子と不凝
結ガスとが明確に分離された状態となり１分離吸収槽５
にて容易に両者を分離する。Specified gases such as Nl-13 and 802 are cooled by the cooling medium 9. Steam from outside the system (geothermal steam, geothermal steam,
(turbine ground leakage steam, etc.) is transferred to the mixing chamber 2 via conduit 8.
After mixing the steam and gas, the steam is first liquefied by compressing and cooling it, forming coarse particles. At this stage, the coarse particles become the core or absorbent of fine gas liquefied particles, and in the wake of the cooler 4, the coarse liquefied particles mixed with the specific gas and steam and the non-condensable gas are clearly separated. 1 separation absorption tank 5
easily separate the two.
地熱ガスを圧縮・冷却し、特定ガスのみを液化して分離
する系の冷却工程前の地熱ガス中に蒸気を入れることに
より、地熱ガス中に含まれて捕捉の困難であっだＨ２Ｓ
、 ＮＨ３，８０２等の少量特定ガスの微細粒子が、
粗大化し捕捉が容易になる等本発明は産業の発達に寄与
するところが大きい。By introducing steam into the geothermal gas before the cooling process of a system that compresses and cools the geothermal gas and liquefies and separates only specific gases, H2S contained in the geothermal gas and difficult to capture is removed.
, fine particles of a small amount of specific gas such as NH3,802,
The present invention greatly contributes to the development of industry by making it coarser and easier to capture.
第１図は本発明に係るｌ実施例を示す系統図である。第
２図は従来例を示す系統図である。FIG. 1 is a system diagram showing an embodiment of the present invention. FIG. 2 is a system diagram showing a conventional example.
Claims (1)
、冷却することにより前記地熱ガス中の特定ガスのみを
液化して、分離する系の冷却器より上流側に混合室を設
けて上記系内の地熱ガス中に上記系外から蒸気を注入後
、該地熱ガスを圧縮・冷却して該地熱ガス中の特定成分
を液化して分離するようにしたことを特徴とする地熱ガ
ス分離方法。By compressing and cooling the geothermal gas extracted from a condenser etc. in a geothermal plant, only the specific gas in the geothermal gas is liquefied and separated. A geothermal gas separation method characterized in that after steam is injected into the geothermal gas from outside the system, the geothermal gas is compressed and cooled to liquefy and separate specific components in the geothermal gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24938685A JPS62108987A (en) | 1985-11-07 | 1985-11-07 | Method of separating geothermal gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24938685A JPS62108987A (en) | 1985-11-07 | 1985-11-07 | Method of separating geothermal gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62108987A true JPS62108987A (en) | 1987-05-20 |
Family
ID=17192228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24938685A Pending JPS62108987A (en) | 1985-11-07 | 1985-11-07 | Method of separating geothermal gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62108987A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5232548A (en) * | 1991-10-29 | 1993-08-03 | International Business Machines Corporation | Discrete fabrication of multi-layer thin film, wiring structures |
| US5231751A (en) * | 1991-10-29 | 1993-08-03 | International Business Machines Corporation | Process for thin film interconnect |
| US5309629A (en) * | 1992-09-01 | 1994-05-10 | Rogers Corporation | Method of manufacturing a multilayer circuit board |
| US5329695A (en) * | 1992-09-01 | 1994-07-19 | Rogers Corporation | Method of manufacturing a multilayer circuit board |
-
1985
- 1985-11-07 JP JP24938685A patent/JPS62108987A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5232548A (en) * | 1991-10-29 | 1993-08-03 | International Business Machines Corporation | Discrete fabrication of multi-layer thin film, wiring structures |
| US5231751A (en) * | 1991-10-29 | 1993-08-03 | International Business Machines Corporation | Process for thin film interconnect |
| US6165629A (en) * | 1991-10-29 | 2000-12-26 | International Business Machines Corporation | Structure for thin film interconnect |
| US5309629A (en) * | 1992-09-01 | 1994-05-10 | Rogers Corporation | Method of manufacturing a multilayer circuit board |
| US5329695A (en) * | 1992-09-01 | 1994-07-19 | Rogers Corporation | Method of manufacturing a multilayer circuit board |
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