JP2011256735A - Bog多段容積型圧縮機の運転制御方法 - Google Patents
Bog多段容積型圧縮機の運転制御方法 Download PDFInfo
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- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B25/00—Multi-stage pumps
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- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
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- F04B2205/00—Fluid parameters
- F04B2205/10—Inlet temperature
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- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
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- F04B2205/00—Fluid parameters
- F04B2205/11—Outlet temperature
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- F04B2205/00—Fluid parameters
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- F04B2205/112—Outlet temperature between two stages in a multi-stage pump
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- F04B2207/00—External parameters
- F04B2207/01—Load in general
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- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
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- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
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- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/033—Small pressure, e.g. for liquefied gas
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- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
- F17C2223/042—Localisation of the removal point
- F17C2223/043—Localisation of the removal point in the gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/04—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by other properties of handled fluid before transfer
- F17C2223/042—Localisation of the removal point
- F17C2223/046—Localisation of the removal point in the liquid
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- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
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- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
- F17C2225/035—High pressure, i.e. between 10 and 80 bars
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- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
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- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0157—Compressors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0171—Arrangement
- F17C2227/0185—Arrangement comprising several pumps or compressors
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- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0302—Heat exchange with the fluid by heating
- F17C2227/0309—Heat exchange with the fluid by heating using another fluid
- F17C2227/0316—Water heating
- F17C2227/0318—Water heating using seawater
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- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0388—Localisation of heat exchange separate
- F17C2227/0393—Localisation of heat exchange separate using a vaporiser
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- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0439—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
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- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
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- F17C2250/07—Actions triggered by measured parameters
- F17C2250/072—Action when predefined value is reached
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- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/02—Improving properties related to fluid or fluid transfer
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- F17C2265/00—Effects achieved by gas storage or gas handling
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Abstract
【解決手段】液化天然ガス1から発生するBOGを圧縮するため、複数の容積型圧縮部9,10を接続して構成されてなるBOG多段容積型圧縮機8の運転制御方法において、所定状態に合致する場合の、このBOG多段容積型圧縮機8の高圧段圧縮部10のロードに対する低圧段圧縮部9のロードの比率(ロード比)を、所定状態以外の場合のロード比より小さくなるよう運転制御する。即ち、前記BOG多段容積型圧縮機8の低圧段圧縮部9の吸込温度を検出可能に構成し、前記所定状態を、前記吸込温度の検出温度が予め定められた第1の設定温度以上の状態とする。
【選択図】図1
Description
尚、本願における「ロード」とは、「容量調整装置により達せられるガス処理量」と「容量調整装置を作動させない場合のガス処理量」の比の公称値である(「容量調整装置を作動させない場合のガス処理量」は100%ロードの処理量に相当する)。
BOG多段圧縮機8が起動されると、低圧段圧縮部9の吸込ガス温度(LNG貯蔵タンク2から導出されたBOG温度)は、図2の温度曲線Aに示すように、極短時間ほぼ起動時の値を保った後に徐々に低下する。そして、このBOG多段圧縮機8のロード比(BOG多段圧縮機8において、高圧段圧縮部10のロードに対する低圧段圧縮部9のロードの比率)Rが定常運転と同じ場合、低圧段吐出ガスの温度は、図2の温度曲線Bにおける二点鎖線で示すように、起動時の値から出発して一旦ピーク温度まで上昇してから前記温度曲線Aの変化に従って徐々に低下することになる。
ここで、本発明の実施の形態1に係るBOG多段容積型圧縮機の運転制御方法の実施例につき、図1も参照しながら以下説明する。
多段容積型圧縮機の定常運転では、1段側圧縮部9と2段側圧縮部10が共に100%ロードで運転される(表1の比較例−1)。本発明の実施の形態1に係るBOG多段容積型圧縮機では、例えば起動時において、前記所定状態に合致する場合には、1段側圧縮部9及び2段側圧縮部10の容量調整装置21(吸込弁アンローダ9aやヘッドエンドアンローダ9b等),22(吸込弁アンローダ10aやヘッドエンドアンローダ10b等)によって、1段側圧縮部9が25%のロードで運転され、2段側圧縮部10が50%のロードで運転される。即ち、起動時のロード比は、定常運転時のロード比よりも小さくなっている(表1の実施例参照)。
この運転制御方法(その2)において、BOG多段圧縮機8が起動されると、制御装置25は、温度検出器27で検出された低圧段側吐出ガスの検出温度と、この制御装置25内に予め設定された第2の設定温度T2とを比較する。図5に示すように、起動直後の極短期間は、低圧段側吐出ガスの検出温度が第2の設定温度T2より低いので、この期間、ロード比Rは定常運転時と同一である。そして、制御装置25は、低圧段側吐出ガスの検出温度が第2の設定温度T2以上であると、低圧段容量調整装置21と高圧段容量調整装置22を、ロード比Rが定常運転時より低くなるように運転制御する。
3:LNG取出ライン, 4:LNGポンプ,
5:蒸発器, 6:ガス移送ライン,
7:BOG払出ライン,
8:BOG多段(容積型)圧縮機(往復動式圧縮機),
9:低圧段圧縮部(1段側圧縮部),
9a:吸込弁アンローダ, 9b:ヘッドエンドアンローダ,
10:高圧段圧縮部(2段側圧縮部),
10a:吸込弁アンローダ, 10b:ヘッドエンドアンローダ,
11:駆動モータ, 12:中間ライン,
17:吐出ライン,
18:BOG多段(容積型)圧縮機(スクリュ式圧縮機),
19:低圧段圧縮部, 19a:スライド弁,
20:高圧段圧縮部, 20a:スライド弁,
21:低圧段容量調整装置, 22:高圧段容量調整装置,
23:合流部, 24:圧力検出器,
25:制御装置, 26,27:温度検出器
Claims (3)
- 液化天然ガスから発生するBOGを圧縮するため、容積型圧縮部を複数段接続して構成されてなるBOG多段容積型圧縮機の運転制御方法において、所定状態に合致する場合の、このBOG多段容積型圧縮機の高圧段圧縮部のロードに対する低圧段圧縮部のロードの比率(ロード比)を、所定状態以外の場合のロード比より小さくなるよう運転制御することを特徴とするBOG多段容積型圧縮機の運転制御方法。
- 前記BOG多段容積型圧縮機の低圧段圧縮部の吸込温度を検出可能に構成し、前記所定状態を、前記吸込温度の検出温度が予め定められた第1の設定温度以上の状態とすることを特徴とする請求項1に記載されたBOG多段容積型圧縮機の運転制御方法。
- 前記BOG多段容積型圧縮機の低圧段圧縮部の吐出温度を検出可能に構成し、前記所定状態を、前記吐出温度の検出温度が予め定められた第2の設定温度以上と判断されてから、前記検出温度が第2の設定温度よりも低い予め定められた第3の設定温度に達したと判断されるまでの状態とすることを特徴とする請求項1に記載されたBOG多段容積型圧縮機の運転制御方法。
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EP11166316.7A EP2392825B1 (en) | 2010-06-07 | 2011-05-17 | Method for controlling the operation of a multistage boil-off gas (BOG) compressor |
CN201110149003.8A CN102269154B (zh) | 2010-06-07 | 2011-06-03 | 蒸发气体多级容积型压缩机的运转控制方法 |
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US11346348B2 (en) * | 2019-09-04 | 2022-05-31 | Advanced Flow Solutions, Inc. | Liquefied gas unloading and deep evacuation system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63110687U (ja) * | 1987-01-12 | 1988-07-15 | ||
JPH0412178A (ja) * | 1990-05-01 | 1992-01-16 | Ishikawajima Harima Heavy Ind Co Ltd | 低温ガス圧縮機の運転制御方法 |
JPH08284839A (ja) * | 1995-04-12 | 1996-10-29 | Kobe Steel Ltd | 低温ガス圧縮機の運転方法および制御装置 |
JP2002213366A (ja) * | 2001-01-16 | 2002-07-31 | Kobe Steel Ltd | Bog圧縮機の起動時の運転制御方法 |
JP2009030454A (ja) * | 2007-07-24 | 2009-02-12 | Kobe Steel Ltd | 往復動圧縮機の容量調整方法 |
Family Cites Families (4)
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GB0400986D0 (en) * | 2004-01-16 | 2004-02-18 | Cryostar France Sa | Compressor |
FR2875784B1 (fr) * | 2004-09-30 | 2008-03-14 | Alstom Sa | Installation de fourniture de combustible gazeux et sequence de demarrage d'une telle installation |
US8820096B2 (en) * | 2007-02-12 | 2014-09-02 | Daewoo Shipbuilding & Marine Engineering Co., Ltd. | LNG tank and operation of the same |
KR20080097141A (ko) * | 2007-04-30 | 2008-11-04 | 대우조선해양 주식회사 | 인-탱크 재응축 수단을 갖춘 부유식 해상 구조물 및 상기부유식 해상 구조물에서의 증발가스 처리방법 |
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2010
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2011
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63110687U (ja) * | 1987-01-12 | 1988-07-15 | ||
JPH0412178A (ja) * | 1990-05-01 | 1992-01-16 | Ishikawajima Harima Heavy Ind Co Ltd | 低温ガス圧縮機の運転制御方法 |
JPH08284839A (ja) * | 1995-04-12 | 1996-10-29 | Kobe Steel Ltd | 低温ガス圧縮機の運転方法および制御装置 |
JP2002213366A (ja) * | 2001-01-16 | 2002-07-31 | Kobe Steel Ltd | Bog圧縮機の起動時の運転制御方法 |
JP2009030454A (ja) * | 2007-07-24 | 2009-02-12 | Kobe Steel Ltd | 往復動圧縮機の容量調整方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016070218A (ja) * | 2014-09-30 | 2016-05-09 | Jfeスチール株式会社 | ガスタービン発電装置及びガスタービン発電装置の制御方法 |
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EP2392825A2 (en) | 2011-12-07 |
EP2392825B1 (en) | 2019-01-16 |
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