JP7071591B2 - ガス流のためのエネルギー回収タービン - Google Patents
ガス流のためのエネルギー回収タービン Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/007—Energy recuperation; Heat pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/06—Returning energy of steam, in exchanged form, to process, e.g. use of exhaust steam for drying solid fuel or plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
- F01K7/42—Use of desuperheaters for feed-water heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G5/00—Controlling superheat temperature
- F22G5/12—Controlling superheat temperature by attemperating the superheated steam, e.g. by injected water sprays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
- F25J1/0235—Heat exchange integration
- F25J1/0242—Waste heat recovery, e.g. from heat of compression
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G35/00—Reforming naphtha
- C10G35/04—Catalytic reforming
- C10G35/10—Catalytic reforming with moving catalysts
- C10G35/12—Catalytic reforming with moving catalysts according to the "moving-bed" method
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/80—Hot exhaust gas turbine combustion engine
- F25J2240/82—Hot exhaust gas turbine combustion engine with waste heat recovery, e.g. in a combined cycle, i.e. for generating steam used in a Rankine cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Description
本プロセスは、蒸気リボイラを使用したプロセスのエネルギー効率、及びその結果としてコスト効率を向上させるように設計される。蒸気リボイラに必要な圧力は、他のプロセス及び機器に必要な圧力を超えるため、他の場所で蒸気を使用するために圧力を低減させなければならない。現在行われているように蒸気を制御弁に通すのではなく、蒸気は動力回収タービンを通じて送られて、さもなければ制御弁内で失われるエネルギーを回収する。全体的なプロセスのエネルギー効率は、動力回収に起因して増加する。
以下を特定の実施形態と併せて説明するが、この説明は、前述の説明及び添付の特許請求の範囲を例示するものであり、限定するものではないことが理解されるであろう。
Claims (10)
- プロセスユニット廃熱蒸気生成システムから電力を回収するためのプロセスであって、
第1の温度及び蒸気リボイラの圧力要求によって決定される第1の圧力を有する過熱蒸気の流れ(530)を提供するために、触媒改質ゾーン内の少なくとも1つのヒータの対流区分からの熱を用いて水又は蒸気を過熱することと、
前記過熱蒸気の流れ(530)を第1の部分(535)及び第2の部分(540)に分割することと、
前記第1の部分を、少なくとも1つの過熱低減器に導入することであって、前記少なくとも1つの過熱低減器が、蒸気入口、蒸気出口、及び、過熱低減水入口を有することと、
過熱低減水の流れを、前記過熱低減水入口に導入して、前記第1の部分の温度を、前記第1の温度より低い第2の温度に低減し、追加の蒸気を生成して過熱低減蒸気を形成し、前記第2の温度が、温度コントローラによって制御され、前記過熱低減流が、蒸気リボイラの前記圧力要求によって決定される圧力を有し、前記過熱低減流の前記圧力が、圧力コントローラによって制御される、ことと、
前記過熱低減流を、蒸気入口及び凝縮物出口を有する熱交換器を備える前記蒸気リボイラに導入することと、
前記過熱低減流と一緒に蒸気リボイラ(510)内で塔(505)からの底部流(580)を加熱して、加熱された底部流及び凝縮物を形成することであって、前記凝縮物が、前記少なくとも1つの過熱低減器に戻らないことと、
前記加熱された底部流(585)を前記塔(505)に導入することと、
前記過熱蒸気の前記第2の部分(540)を動力回収タービン(595)に通して方向付けて、前記第2の部分(540)の圧力を前記第1の圧力未満で、前記過熱低減流の圧力未満の、第2の圧力まで低減させて、減圧流(600)を形成することと、
前記減圧流を、蒸気ヘッダシステムに送ることと、
前記動力回収タービンから動力を回収することと、
を含む、プロセス。 - 前記減圧流(600)を、蒸気ヘッダ、ポンプ、圧縮機、リボイラ、塔、又はプロセスユニットのうちの少なくとも1つに方向付けることを更に含む、請求項1に記載のプロセス。
- 前記蒸気リボイラ(510)が、蒸気入口及び凝縮物出口を有する熱交換器を含み、
前記凝縮物(590)を凝縮物返送ヘッダに方向付けることを更に含む、請求項1又は2に記載のプロセス。 - 前記過熱蒸気の前記第1の部分(535)の温度を前記第1の温度未満の第2の温度まで低下させて、前記底部流(580)を加熱する前に過熱低減流(570)を形成することを更に含む、請求項1又は2に記載のプロセス。
- 前記第1の部分の前記温度が、前記第1の部分(535)を少なくとも1つの過熱低減器(545)に導入することによって低下され、前記第1の部分(535)の温度を前記第1の温度未満の第2の温度まで低下させて、過熱低減流(570)を形成する、請求項4に記載のプロセス。
- 少なくとも2つの過熱低減器(545、565)が存在し、前記第2の過熱低減器(570)を出る前記過熱低減流の温度が、前記第1の過熱低減器(545)を出る前記過熱低減流の温度未満である、請求項5に記載のプロセス。
- 前記少なくとも1つの過熱低減器(545)内に過熱低減水の流れ(550)を導入して、前記第1の部分(535)の前記温度を低下させることを更に含む、請求項5に記載のプロセス。
- 前記第1の部分(535)を前記少なくとも1つの過熱低減器(545)に導入する前、及び前記第2の部分(540)を前記動力回収タービン(595)に通して方向付ける前に、前記過熱蒸気の流れ(530)の前記第1の圧力を増加させることを更に含む、請求項1又は2に記載のプロセス。
- 前記過熱蒸気の流れ(530)が、前記第1の部分(535)を前記少なくとも1つの過熱低減器(545)内に導入する前に、前記第1の部分(535)及び前記第2の部分(540)に分割される、請求項1又は2に記載のプロセス。
- 前記プロセスの少なくとも1つのパラメータを検知し、前記検知から信号又はデータを生成すること、又は、
信号を生成して送信すること、又は、
データを生成して送信することのうちの少なくとも1つを更に含む、請求項1又は2に記載のプロセス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/020,562 | 2018-06-27 | ||
US16/020,562 US10920624B2 (en) | 2018-06-27 | 2018-06-27 | Energy-recovery turbines for gas streams |
PCT/US2019/039291 WO2020006106A1 (en) | 2018-06-27 | 2019-06-26 | Energy-recovery turbines for gas streams |
Publications (2)
Publication Number | Publication Date |
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JP2021529285A JP2021529285A (ja) | 2021-10-28 |
JP7071591B2 true JP7071591B2 (ja) | 2022-05-19 |
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US10920624B2 (en) | 2021-02-16 |
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US20200003082A1 (en) | 2020-01-02 |
EP3814612A4 (en) | 2022-03-09 |
WO2020006106A1 (en) | 2020-01-02 |
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