RU2751340C2 - Installation for preparation of associated petroleum gas - Google Patents

Installation for preparation of associated petroleum gas Download PDF

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RU2751340C2
RU2751340C2 RU2017136954A RU2017136954A RU2751340C2 RU 2751340 C2 RU2751340 C2 RU 2751340C2 RU 2017136954 A RU2017136954 A RU 2017136954A RU 2017136954 A RU2017136954 A RU 2017136954A RU 2751340 C2 RU2751340 C2 RU 2751340C2
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gas
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water
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RU2017136954A3 (en
RU2017136954A (en
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Андрей Владиславович Курочкин
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Андрей Владиславович Курочкин
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • 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
    • C10G5/00—Recovery of liquid hydrocarbon mixtures from gases, e.g. natural gas
    • C10G5/06—Recovery of liquid hydrocarbon mixtures from gases, e.g. natural gas by cooling or compressing
    • 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
    • C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G9/34—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts
    • C10G9/36—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours
    • C10G9/38—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours produced by partial combustion of the material to be cracked or by combustion of another hydrocarbon
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K3/00—Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide
    • C10K3/02—Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide by catalytic treatment
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
    • C10L3/10—Working-up natural gas or synthetic natural gas
    • 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
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

FIELD: oil and gas industry.SUBSTANCE: present invention relates to an installation for the preparation of associated petroleum gas including a converter and a dephlegmator. At the same time, a saturator is installed on a line for supplying associated petroleum gas equipped with lines for the input of heated water and output of cooled water and a line for the output of saturation gas, on which, after a line for supplying water condensate is adjacent, a dephlegmator, a recovery heat exchanger and a converter are located, equipped with a line for the output of converted gas, on which, after a line for the air input is adjacent, a reactor for selective catalytic hydrogen oxidation is located with a line for the output of gas-vapor mixture, on which a recovery heat exchanger and a dephlegmator are located, equipped with lines for supplying/output of cooling/heated water, as well as lines for the output of water condensate and prepared gas.EFFECT: exclusion of heat supply from the side and a decrease in the hydrogen content in the prepared gas.1 cl, 1 dwg

Description

Изобретение относится к устройствам для подготовки паровой конверсией тяжелых углеводородных газов к использованию или трубопроводному транспорту в нефтяной и газовой промышленности.The invention relates to a device for the preparation of steam conversion of heavy hydrocarbon gases for use or pipeline transport in the oil and gas industry.

Известен способ работы устройства для переработки попутных нефтяных газов [RU 2442819, МПК C10L 3/10, F17D 1/02, опубл. 20.02.2012], которое включает конвертор, оборудованный системами запуска и подогрева, теплообменник, системы подачи/дозирования и секцию электронагревателя.A known method of operating a device for processing associated petroleum gases [RU 2442819, IPC C10L 3/10, F17D 1/02, publ. 20.02.2012], which includes a converter equipped with starting and heating systems, a heat exchanger, feeding / dosing systems and an electric heater section.

Недостатками известного устройства являются отсутствие оборудования для подготовки воды, высокая металлоемкость и энергопотребление, низкое качество подготовки газа.The disadvantages of the known device are the lack of equipment for water treatment, high metal consumption and energy consumption, low quality of gas treatment.

Наиболее близкой к заявляемому изобретению является установка подготовки попутного нефтяного газа [RU 2624626, МПК C10G 9/38, C10L 3/10, C10G 5/06, B01D 5/00, F25J 3/02, опубл. 05.07.2017 г.], включающая конвертор, нагреватель, дефлегматор и блок подготовки воды.Closest to the claimed invention is a unit for the preparation of associated petroleum gas [RU 2624626, IPC C10G 9/38, C10L 3/10, C10G 5/06, B01D 5/00, F25J 3/02, publ. 07/05/2017], including a converter, a heater, a reflux condenser and a water treatment unit.

Недостатками данной установки являются необходимость подачи тепла со стороны, а также наличие водорода в подготовленном газе, что ограничивает его использование, например, в качестве топлива для газопоршневых электростанций.The disadvantages of this installation are the need to supply heat from the outside, as well as the presence of hydrogen in the prepared gas, which limits its use, for example, as a fuel for gas piston power plants.

Задача изобретения - исключение подачи тепла со стороны и снижение содержания водорода в подготовленном газе.The objective of the invention is to exclude the supply of heat from the outside and to reduce the hydrogen content in the prepared gas.

Техническим результатом является исключение подачи тепла со стороны и снижение содержания водорода в подготовленном газе за счет оснащения установки сатуратором и реактором селективного каталитического окисления водорода.The technical result is to exclude the supply of heat from the outside and to reduce the hydrogen content in the prepared gas by equipping the unit with a saturator and a reactor for selective catalytic oxidation of hydrogen.

Указанный технический результат достигается тем, что в известной установке, включающей конвертор и дефлегматор, особенностью является то, что на линии подачи попутного нефтяного газа установлен сатуратор, оснащенный линиями ввода нагретой и вывода охлажденной воды и линией вывода газа сатурации, на которой после примыкания линии подачи водного конденсата расположены дефлегматор, рекуперационный теплообменник и конвертор, оснащенный линией вывода конвертированного газа, на которой после примыкания линии ввода воздуха расположен реактор селективного каталитического окисления водорода с линией вывода газопаровой смеси, на которой расположены рекуперационный теплообменник и дефлегматор, оснащенный линиями подачи охлаждающей/вывода нагретой воды, а также линиями вывода водного конденсата и подготовленного газа.The specified technical result is achieved by the fact that in a known installation, including a converter and a reflux condenser, a feature is that a saturator is installed on the associated petroleum gas supply line, equipped with heated and cooled water inlet lines and a saturation gas outlet line, on which, after adjoining the supply line water condensate, a reflux condenser, a recuperative heat exchanger and a converter equipped with a converted gas outlet line are located, on which, after the air inlet line adjoins, there is a selective catalytic hydrogen oxidation reactor with a gas-vapor mixture outlet line, on which a recuperative heat exchanger and a reflux condenser are located, equipped with cooling supply / heated outlet lines. water, as well as lines for the output of water condensate and treated gas.

При нагреве сернистого углеводородного газа на линии вывода газа сатурации может быть установлено устройство для обессеривания газа, например, с помощью хемосорбентов. На линии вывода подготовленного газа может быть установлено устройство для его осушки.When heating a sulfurous hydrocarbon gas, a device for gas desulfurization can be installed in the saturation gas outlet line, for example, using chemisorbents. A device for drying it can be installed on the prepared gas outlet line.

Реакторы могут быть выполнены с аксиальной или радиальной подачей газа через слой катализатора, а дефлегматор и рекуперационный теплообменник могут быть выполнены в виде трубчатых аппаратов.The reactors can be made with axial or radial gas supply through the catalyst bed, and the reflux condenser and the recuperative heat exchanger can be made in the form of tubular apparatuses.

Установка сатуратора позволяет насытить попутный нефтяной газ парами воды с использованием, например, нагретой пластовой воды, для восполнения химического расхода воды при конверсии. Установка каталитического реактора селективного окисления водорода в смеси с метаном и углекислым газа, получаемыми при конверсии, позволяет за счет тепла окисления водорода исключить подачу тепла со стороны, а также снизить содержание водорода в подготовленном газе.Installation of a saturator makes it possible to saturate associated petroleum gas with water vapor using, for example, heated formation water to replenish the chemical consumption of water during conversion. Installation of a catalytic reactor for the selective oxidation of hydrogen in a mixture with methane and carbon dioxide obtained during the conversion makes it possible, due to the heat of hydrogen oxidation, to exclude the supply of heat from the outside, as well as to reduce the hydrogen content in the prepared gas.

Установка включает (см. чертеж) сатуратор 1, дефлегматор 2, рекуперационный теплообменник 3, конвертор 4 и реактор селективного окисления 5. При работе установки попутный нефтяной газ, подаваемый по линии 6, насыщают парами воды в сатураторе 1, в который по линии 7 подают воду, например, пластовую, нагретую в дефлегматоре 2, а по линии 8 выводят охлажденную воду. Газ сатурации выводят по линии 9, смешивают с водным конденсатом, подаваемым по линии 10, нагревают в дефлегматоре 2, теплообменнике 3 и подают в конвертор 4, где тяжелые углеводороды конвертируют в смесь метана, углекислого газа и водорода, подаваемую по линии 11 в реактор 5, где водород селективно окисляют до паров воды кислородом воздуха, подаваемого по линии 12. Полученную газопаровую смесь по линии 13 через теплообменник 3 подают в дефлегматор 2, где охлаждают смесью попутного нефтяного газа и водного конденсата, затем водой и сепарируют с получением водного конденсата и подготовленного газа, выводимого по линии 14, который может быть использован, например, в качестве топливного газа.The installation includes (see drawing) a saturator 1, a reflux condenser, a recuperative heat exchanger 3, a converter 4 and a selective oxidation reactor 5. When the unit is operating, associated petroleum gas supplied through line 6 is saturated with water vapor in a saturator 1, which is fed through line 7 water, for example, formation water, heated in reflux condenser 2, and chilled water is removed through line 8. Saturation gas is removed through line 9, mixed with water condensate supplied through line 10, heated in reflux condenser 2, heat exchanger 3 and fed to converter 4, where heavy hydrocarbons are converted into a mixture of methane, carbon dioxide and hydrogen supplied through line 11 to reactor 5 , where hydrogen is selectively oxidized to water vapor by air oxygen supplied through line 12. The resulting gas-vapor mixture is fed through line 13 through heat exchanger 3 to reflux condenser 2, where it is cooled with a mixture of associated petroleum gas and water condensate, then with water and separated to obtain water condensate and prepared gas discharged through line 14, which can be used, for example, as fuel gas.

Таким образом, предлагаемая установка позволяет исключить подачу тепла со стороны и снизить содержание водорода в подготовленном газе и может быть использован в промышленности.Thus, the proposed installation makes it possible to exclude the supply of heat from the outside and to reduce the hydrogen content in the prepared gas and can be used in industry.

Claims (1)

Установка для подготовки попутного нефтяного газа, включающая конвертор и дефлегматор, отличающаяся тем, что на линии подачи попутного нефтяного газа установлен сатуратор, оснащенный линиями ввода нагретой и вывода охлажденной воды и линией вывода газа сатурации, на которой после примыкания линии подачи водного конденсата расположены дефлегматор, рекуперационный теплообменник и конвертор, оснащенный линией вывода конвертированного газа, на которой после примыкания линии ввода воздуха расположен реактор селективного каталитического окисления водорода с линией вывода газопаровой смеси, на которой расположены рекуперационный теплообменник и дефлегматор, оснащенный линиями подачи охлаждающей/вывода нагретой воды, а также линиями вывода водного конденсата и подготовленного газа.Installation for the preparation of associated petroleum gas, including a converter and a reflux condenser, characterized in that a saturator is installed on the associated petroleum gas supply line, equipped with heated and cooled water inlet lines and a saturation gas outlet line, on which a reflux condenser is located after adjoining the water condensate supply line, a recuperative heat exchanger and a converter equipped with a converted gas outlet line, on which, after adjoining the air inlet line, there is a selective catalytic hydrogen oxidation reactor with a gas-vapor mixture outlet line, on which a recuperative heat exchanger and a reflux condenser are located, equipped with cooling / heated water supply lines, as well as lines output of water condensate and treated gas.
RU2017136954A 2017-10-19 2017-10-19 Installation for preparation of associated petroleum gas RU2751340C2 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2520207C2 (en) * 2012-09-10 2014-06-20 Андрей Владиславович Курочкин Method of preparing fuel gas
US9605224B2 (en) * 2014-11-12 2017-03-28 Element 1 Corp. Refining assemblies and refining methods for rich natural gas
RU2624626C1 (en) * 2016-08-23 2017-07-05 Андрей Владиславович Курочкин Associated petroleum gas preparation plant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2520207C2 (en) * 2012-09-10 2014-06-20 Андрей Владиславович Курочкин Method of preparing fuel gas
US9605224B2 (en) * 2014-11-12 2017-03-28 Element 1 Corp. Refining assemblies and refining methods for rich natural gas
RU2624626C1 (en) * 2016-08-23 2017-07-05 Андрей Владиславович Курочкин Associated petroleum gas preparation plant

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Л.И. Муллахметова и др. Попутный нефтяной газ: подготовка, транспортировка и переработка. Вестник технологического университета, 2015, т.18, N 19, 83-90. *
Л.И. Муллахметова и др. Попутный нефтяной газ: подготовка, транспортировка и переработка. Вестник технологического университета, 2015, т.18, N 19, 83-90. Твёрдые катализаторы, их структура, состав и каталитическая активность/И.М. Колесников, Г.И.Вяхирев, М.Ю. Кильянов, В.А. Винокуров, С.И. Колесников - М.: ГУП Издательство "Нефть и газ" РГУ нефти и газа им. И. М. Губкина, 2000.-372 с. *
Твёрдые катализаторы, их структура, состав и каталитическая активность/И.М. Колесников, Г.И.Вяхирев, М.Ю. Кильянов, В.А. Винокуров, С.И. Колесников - М.: ГУП Издательство "Нефть и газ" РГУ нефти и газа им. И. М. Губкина, 2000.-372 с. *

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