WO2023178842A1 - Hydrogen transportation pipelines and small movable iron and steel plants - Google Patents

Hydrogen transportation pipelines and small movable iron and steel plants Download PDF

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Publication number
WO2023178842A1
WO2023178842A1 PCT/CN2022/097982 CN2022097982W WO2023178842A1 WO 2023178842 A1 WO2023178842 A1 WO 2023178842A1 CN 2022097982 W CN2022097982 W CN 2022097982W WO 2023178842 A1 WO2023178842 A1 WO 2023178842A1
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Prior art keywords
hydrogen
pipeline
pipelines
channel
pressure
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Application number
PCT/CN2022/097982
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French (fr)
Chinese (zh)
Inventor
于善广
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于善广
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Publication of WO2023178842A1 publication Critical patent/WO2023178842A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/1608—Devices for covering leaks in pipes or hoses, e.g. hose-menders by replacement of the damaged part of the pipe
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm

Definitions

  • the invention belongs to the technical field of hydrogen transportation pipelines.
  • the synthetic ammonia industry adopts a method of lining steel furnaces with wrought iron in its high-temperature and high-pressure reactors.
  • This invention improves on this and uses steel pipes lined with wrought iron to transport hydrogen, using a small movable steel plant. Maintain and replace pipelines that have reached the end of their service life.
  • the hydrogen transportation pipeline consists of three hydrogen pipelines, including the pipeline in use, the pipeline being replaced, and the backup pipeline.
  • the three pipelines are equipped with interconnected channels and valves at a certain distance.
  • the pipeline in use is replaced before hydrogen embrittlement.
  • the structure of each pipeline is the same. It consists of a high-pressure hydrogen channel, an inner wrought iron layer, an inner steel pipe layer with small holes, a low-pressure hydrogen channel, an outer wrought iron layer, and an outer steel pipe layer.
  • the low-pressure hydrogen channels are connected at certain intervals.
  • the air pump of the high-pressure hydrogen channel When the air pressure of the low-pressure hydrogen channel reaches the limit value, the air pump pumps hydrogen into the high-pressure hydrogen channel.
  • Small mobile steel plants move along pipelines, use hydrogen as energy, smelt replaced pipelines on site, re-make wrought iron and steel pipes that meet standards, and then install them at the original location.
  • Figure 1 is a schematic diagram of the hydrogen transportation pipeline.
  • Figure 2 is a schematic diagram of the hydrogen transportation pipeline.
  • the numbers in the figure are (1): spare pipeline, (2): connecting channel between pipelines, (3): pipeline being replaced, (4) valve in the connecting channel between pipelines, (5): in use pipeline, (6): outer steel pipe layer, (7): outer wrought iron layer, (8): low-pressure hydrogen channel, (9): inner steel pipe layer with small holes, (10): inner wrought iron layer Layer, (11): high-pressure hydrogen channel, (12): air pump connecting the low-pressure hydrogen channel and the high-pressure hydrogen channel.
  • the hydrogen transportation pipeline consists of three hydrogen pipelines, including the pipeline in use, the pipeline being replaced, and the backup pipeline.
  • the three pipelines are equipped with interconnected channels and valves at a certain distance.
  • the pipeline in use is replaced before hydrogen embrittlement.
  • the structure of each pipeline is the same. It consists of a high-pressure hydrogen channel, an inner wrought iron layer, an inner steel pipe layer with small holes, a low-pressure hydrogen channel, an outer wrought iron layer, and an outer steel pipe layer.
  • the low-pressure hydrogen channels are connected at certain intervals.
  • the air pump of the high-pressure hydrogen channel When the air pressure of the low-pressure hydrogen channel reaches the limit value, the air pump pumps hydrogen into the high-pressure hydrogen channel.
  • Small mobile steel plants move along pipelines, use hydrogen as energy, smelt replaced pipelines on site, re-make wrought iron and steel pipes that meet standards, and then install them at the original location.
  • the hydrogen transportation pipeline consists of three hydrogen pipelines, including the pipeline in use, the pipeline being replaced, and the backup pipeline.
  • the three pipelines are equipped with interconnected channels and valves at a certain distance.
  • the pipeline in use is replaced before hydrogen embrittlement.
  • the structure of each pipeline is the same. It consists of a high-pressure hydrogen channel, an inner wrought iron layer, an inner steel pipe layer with small holes, a low-pressure hydrogen channel, an outer wrought iron layer, and an outer steel pipe layer.
  • the low-pressure hydrogen channels are connected at certain intervals.
  • the air pump of the high-pressure hydrogen channel When the air pressure of the low-pressure hydrogen channel reaches the limit value, the air pump pumps hydrogen into the high-pressure hydrogen channel.
  • Small mobile steel plants move along pipelines, use hydrogen as energy, smelt replaced pipelines on site, re-make wrought iron and steel pipes that meet standards, and then install them at the original location.
  • the equipment of the invention can be produced in industrial batches, and is also very convenient for installation and maintenance.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Pipeline Systems (AREA)

Abstract

In response to the problem of hydrogen embrittlement in the synthetic ammonia industry, high-temperature and high-pressure reaction furnaces thereof employ a method of lining wrought iron in steel furnaces. The present invention improves on the aforementioned basis by using pipelines lined with wrought iron to transport hydrogen, and using small movable iron and steel plants to maintain and replace pipelines that reach the end of the service lives thereof.

Description

氢气运输管道和小型可移动的钢铁厂Hydrogen transport pipelines and small mobile steel plants 技术领域Technical field
本发明属于氢气运输管道技术领域。The invention belongs to the technical field of hydrogen transportation pipelines.
背景技术Background technique
合成氨工业为应对氢脆问题，其高温高压反应炉采用钢炉内衬熟铁的办法，本发明在其基础上改进，使用钢管内衬熟铁的办法来运输氢气，使用小型可移动的钢铁厂对达到使用时限的管线进行维护和更换。In order to deal with the problem of hydrogen embrittlement, the synthetic ammonia industry adopts a method of lining steel furnaces with wrought iron in its high-temperature and high-pressure reactors. This invention improves on this and uses steel pipes lined with wrought iron to transport hydrogen, using a small movable steel plant. Maintain and replace pipelines that have reached the end of their service life.
技术问题technical problem
氢气运输管道存在氢脆问题。There is a hydrogen embrittlement problem in hydrogen transportation pipelines.
技术解决方案Technical solutions
氢气运输管道由三条氢气管线组成，包括正在使用的管线，正在更换的管线，备用管线，三条管线按照一定间距设置互相连接的通道和阀门，正在使用的管线在氢脆之前更换。每条管线的结构都相同，由高压氢气通道，内层熟铁层，内层带小孔钢管层，低压氢气通道，外层熟铁层，外层钢管层，按照一定间距设置连接低压氢气通道和高压氢气通道的气泵，当低压氢气通道的气压达到限值时，由气泵将氢气泵入高压氢气通道。小型可移动的钢铁厂，沿着管线移动，以氢气为能源，就地冶炼更换下来的管线，重新制成符合标准的熟铁和钢管，然后安装在原处。The hydrogen transportation pipeline consists of three hydrogen pipelines, including the pipeline in use, the pipeline being replaced, and the backup pipeline. The three pipelines are equipped with interconnected channels and valves at a certain distance. The pipeline in use is replaced before hydrogen embrittlement. The structure of each pipeline is the same. It consists of a high-pressure hydrogen channel, an inner wrought iron layer, an inner steel pipe layer with small holes, a low-pressure hydrogen channel, an outer wrought iron layer, and an outer steel pipe layer. The low-pressure hydrogen channels are connected at certain intervals. And the air pump of the high-pressure hydrogen channel. When the air pressure of the low-pressure hydrogen channel reaches the limit value, the air pump pumps hydrogen into the high-pressure hydrogen channel. Small mobile steel plants move along pipelines, use hydrogen as energy, smelt replaced pipelines on site, re-make wrought iron and steel pipes that meet standards, and then install them at the original location.
有益效果beneficial effects
降低了氢气运输成本。Reduced hydrogen transportation costs.
附图说明Description of the drawings
图1为氢气运输管道示意图。图2为氢气运输管线示意图。图中各标号，（1）：备用管线，（2）：管线之间的连接通道，（3）：正在更换的管线，（4）管线之间的连接通道的阀门，（5）：正在使用的管线，（6）：外层钢管层，（7）：外层熟铁层，（8）：低压氢气通道，（9）：内层带小孔钢管层，（10）：内层熟铁层，（11）：高压氢气通道，（12）：连接低压氢气通道和高压氢气通道的气泵。Figure 1 is a schematic diagram of the hydrogen transportation pipeline. Figure 2 is a schematic diagram of the hydrogen transportation pipeline. The numbers in the figure are (1): spare pipeline, (2): connecting channel between pipelines, (3): pipeline being replaced, (4) valve in the connecting channel between pipelines, (5): in use pipeline, (6): outer steel pipe layer, (7): outer wrought iron layer, (8): low-pressure hydrogen channel, (9): inner steel pipe layer with small holes, (10): inner wrought iron layer Layer, (11): high-pressure hydrogen channel, (12): air pump connecting the low-pressure hydrogen channel and the high-pressure hydrogen channel.
本发明的最佳实施方式Best Mode of Carrying Out the Invention
氢气运输管道由三条氢气管线组成，包括正在使用的管线，正在更换的管线，备用管线，三条管线按照一定间距设置互相连接的通道和阀门，正在使用的管线在氢脆之前更换。每条管线的结构都相同，由高压氢气通道，内层熟铁层，内层带小孔钢管层，低压氢气通道，外层熟铁层，外层钢管层，按照一定间距设置连接低压氢气通道和高压氢气通道的气泵，当低压氢气通道的气压达到限值时，由气泵将氢气泵入高压氢气通道。小型可移动的钢铁厂，沿着管线移动，以氢气为能源，就地冶炼更换下来的管线，重新制成符合标准的熟铁和钢管，然后安装在原处。The hydrogen transportation pipeline consists of three hydrogen pipelines, including the pipeline in use, the pipeline being replaced, and the backup pipeline. The three pipelines are equipped with interconnected channels and valves at a certain distance. The pipeline in use is replaced before hydrogen embrittlement. The structure of each pipeline is the same. It consists of a high-pressure hydrogen channel, an inner wrought iron layer, an inner steel pipe layer with small holes, a low-pressure hydrogen channel, an outer wrought iron layer, and an outer steel pipe layer. The low-pressure hydrogen channels are connected at certain intervals. And the air pump of the high-pressure hydrogen channel. When the air pressure of the low-pressure hydrogen channel reaches the limit value, the air pump pumps hydrogen into the high-pressure hydrogen channel. Small mobile steel plants move along pipelines, use hydrogen as energy, smelt replaced pipelines on site, re-make wrought iron and steel pipes that meet standards, and then install them at the original location.
本发明的实施方式Embodiments of the invention
氢气运输管道由三条氢气管线组成，包括正在使用的管线，正在更换的管线，备用管线，三条管线按照一定间距设置互相连接的通道和阀门，正在使用的管线在氢脆之前更换。每条管线的结构都相同，由高压氢气通道，内层熟铁层，内层带小孔钢管层，低压氢气通道，外层熟铁层，外层钢管层，按照一定间距设置连接低压氢气通道和高压氢气通道的气泵，当低压氢气通道的气压达到限值时，由气泵将氢气泵入高压氢气通道。小型可移动的钢铁厂，沿着管线移动，以氢气为能源，就地冶炼更换下来的管线，重新制成符合标准的熟铁和钢管，然后安装在原处。The hydrogen transportation pipeline consists of three hydrogen pipelines, including the pipeline in use, the pipeline being replaced, and the backup pipeline. The three pipelines are equipped with interconnected channels and valves at a certain distance. The pipeline in use is replaced before hydrogen embrittlement. The structure of each pipeline is the same. It consists of a high-pressure hydrogen channel, an inner wrought iron layer, an inner steel pipe layer with small holes, a low-pressure hydrogen channel, an outer wrought iron layer, and an outer steel pipe layer. The low-pressure hydrogen channels are connected at certain intervals. And the air pump of the high-pressure hydrogen channel. When the air pressure of the low-pressure hydrogen channel reaches the limit value, the air pump pumps hydrogen into the high-pressure hydrogen channel. Small mobile steel plants move along pipelines, use hydrogen as energy, smelt replaced pipelines on site, re-make wrought iron and steel pipes that meet standards, and then install them at the original location.
工业实用性Industrial applicability
本发明的设备均可工业化批量生产，安装维护也十分方便。The equipment of the invention can be produced in industrial batches, and is also very convenient for installation and maintenance.
序列表自由内容Sequence Listing Free Content
在此处键入序列表自由内容描述段落。Type the sequence listing free content description paragraph here.

Claims (1)

  1. 氢气运输管道由三条氢气管线组成，包括正在使用的管线，正在更换的管线，备用管线，三条管线按照一定间距设置互相连接的通道和阀门，正在使用的管线在氢脆之前更换。每条管线的结构都相同，由高压氢气通道，内层熟铁层，内层带小孔钢管层，低压氢气通道，外层熟铁层，外层钢管层，低压氢气通道和高压氢气通道按照一定间距设置气泵，当低压氢气通道的气压达到限值时，由气泵将氢气泵入高压氢气通道。小型可移动的钢铁厂，沿着管线移动，以氢气为能源，就地冶炼更换下来的管线，重新制成符合标准的熟铁和钢管，然后安装在原处。The hydrogen transportation pipeline consists of three hydrogen pipelines, including the pipeline in use, the pipeline being replaced, and the backup pipeline. The three pipelines are equipped with interconnected channels and valves at a certain distance. The pipeline in use is replaced before hydrogen embrittlement. The structure of each pipeline is the same, consisting of a high-pressure hydrogen channel, an inner wrought iron layer, an inner steel pipe layer with small holes, a low-pressure hydrogen channel, an outer wrought iron layer, an outer steel pipe layer, a low-pressure hydrogen channel and a high-pressure hydrogen channel as follows Air pumps are set up at a certain distance. When the air pressure of the low-pressure hydrogen channel reaches the limit, the air pump pumps hydrogen into the high-pressure hydrogen channel. Small mobile steel plants move along pipelines, use hydrogen as energy, smelt replaced pipelines on site, re-make wrought iron and steel pipes that meet standards, and then install them at the original location.
PCT/CN2022/097982 2022-03-22 2022-06-10 Hydrogen transportation pipelines and small movable iron and steel plants WO2023178842A1 (en)

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CN202210282544.6 2022-03-22
CN202210282544.6A CN116817075A (en) 2022-03-22 2022-03-22 Hydrogen transport pipeline and small movable iron and steel plant

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004324800A (en) * 2003-04-25 2004-11-18 Nippon Steel Corp Tank for high pressure hydrogen gas, and piping
US20060037660A1 (en) * 2004-08-20 2006-02-23 Kinnally Kevin J Hydrogen conduit and process for producing same
JP2006125552A (en) * 2004-10-29 2006-05-18 Hatano Gas Kk Conduit and laying method for conduit
RU2502579C1 (en) * 2012-07-09 2013-12-27 Анатолий Аркадьевич Злобин Mobile metallurgical complex
CN112030061A (en) * 2020-09-28 2020-12-04 山东工业职业学院 Improved smelting equipment device for pipeline steel production
CN214222254U (en) * 2020-12-25 2021-09-17 中国石油大学(北京) Liquid hydrogen conveying pipeline with liquefied natural gas conveying and cold insulation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004324800A (en) * 2003-04-25 2004-11-18 Nippon Steel Corp Tank for high pressure hydrogen gas, and piping
US20060037660A1 (en) * 2004-08-20 2006-02-23 Kinnally Kevin J Hydrogen conduit and process for producing same
JP2006125552A (en) * 2004-10-29 2006-05-18 Hatano Gas Kk Conduit and laying method for conduit
RU2502579C1 (en) * 2012-07-09 2013-12-27 Анатолий Аркадьевич Злобин Mobile metallurgical complex
CN112030061A (en) * 2020-09-28 2020-12-04 山东工业职业学院 Improved smelting equipment device for pipeline steel production
CN214222254U (en) * 2020-12-25 2021-09-17 中国石油大学(北京) Liquid hydrogen conveying pipeline with liquefied natural gas conveying and cold insulation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZHANG, YONGSHENG: "Advances in Steels for High Pressure Hydrogen Corrosion Resistance", CHINESE BOILER PRESSURE VESSEL SAFETY, vol. 7, no. 5, 25 September 1991 (1991-09-25), pages 27 - 32, XP009548988, ISSN: 1673-257X *

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