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Device and method for testing gas component distribution in hydrogen-doped natural gas

A technology of gas components and natural gas, applied in the field of hydrogen-doped natural gas, can solve problems such as lack, achieve precise proportioning, avoid accidental factors, and ensure accuracy

Active Publication Date: 2021-12-17
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is a lack of corresponding test equipment and test methods at home and abroad

Method used

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  • Device and method for testing gas component distribution in hydrogen-doped natural gas
  • Device and method for testing gas component distribution in hydrogen-doped natural gas

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Embodiment Construction

[0034] Below in conjunction with accompanying drawing, implementation mode of the present invention is described:

[0035] The device for testing the distribution of gas components in hydrogen-doped natural gas according to the present invention includes: a natural gas cylinder set 1 and a hydrogen cylinder set 2, which are used to respectively provide natural gas and hydrogen used for testing; a stirring tank 5 with a stirring paddle inside; The inlets are respectively connected to the natural gas cylinder group 1 and the hydrogen cylinder group 2 through pipelines; the vertical gas cylinder 13 has at least three layers of partitions inside, and the partitions can be opened and closed by valves to form independent internal partitions; Pressure pump 11 is connected respectively to the outlet of stirred tank 5 and the inlet of vertical gas cylinder 13 by pipeline; Chromatographic analyzer 8 is connected to stirred tank 5 and vertical gas cylinder 13 by pipeline; Wherein, in vert...

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Abstract

The invention relates to a hydrogen-doped natural gas technology, and aims to provide a device and a method for testing gas component distribution in hydrogen-doped natural gas. The device comprises: a stirring kettle internally provided with a stirring paddle, wherein the inlet of the stirring kettle is respectively connected with a natural gas cylinder group and a hydrogen cylinder group through pipelines; a vertical gas cylinder, wherein at least three layers of partition plates are arranged in the vertical gas cylinder, and can be controlled by valves to be opened and closed so as to form mutually independent internal partitions; a pneumatic booster pump respectively connected with the stirring kettle and the vertical gas cylinder; a plurality of gas outlets formed in the wall of the vertical gas cylinder and connected with a chromatographic analyzer through pipelines, wherein each gas outlet corresponds to one internal partition; and a control system connected to the chromatographic analyzer, the stirring paddle and the driving motor of the pneumatic booster pump through signal lines. According to the testing device and the testing method provided by the invention, the gas component distribution of hydrogen-doped natural gas in a high-pressure gas cylinder in a station yard after long-term standing layering can be conveniently and accurately measured.

Description

technical field [0001] The invention belongs to the technology of hydrogen-doped natural gas, in particular to a device and method for testing the distribution of gas components in hydrogen-doped natural gas. Background technique [0002] With the continuous optimization of my country's energy structure, renewable energy is developing rapidly. Although renewable energy represented by wind energy and solar energy is developing rapidly, the intermittent and unpredictability of wind / solar power generation limits its large-scale integration into the main power grid. In particular, the unbalanced distribution of wind / light geographical resources in my country has led to the separation of power generation centers and load centers, causing serious "abandonment of wind and power cuts" for its large-scale application. [0003] Hydrogen is produced from excess wind power or photoelectric water splitting, and the hydrogen is mixed with natural gas to form hydrogen-doped natural gas (H...

Claims

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Application Information

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IPC IPC(8): G01N33/22G01N30/02B01F3/02B01F15/04B01F23/10
CPCG01N33/225G01N30/02
Inventor 魏皓天郑津洋花争立尚娟邢百汇陈伟峰田天天
Owner ZHEJIANG UNIV
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