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Skid-mounted gas fuel ignition device and ignition method thereof

A gas fuel and ignition device technology, applied in the gasification of granular/powder fuel, gas/liquid distribution and storage, pipeline system, etc., can solve the problems of valve failure, poor safety, frosting of pressure regulating valve, etc., and achieve mobile Flexible, easy-to-manipulate effects

Pending Publication Date: 2018-03-20
XINJIANG GUOLIHENG CLEAN ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The advantages of silane ignition are fast ignition speed, high calorific value, and relatively simple ignition equipment, but because silane is volatile, it can form an explosive mixture when it meets air, with a wide range of explosion limits and extremely poor safety; and due to the Joule-Thomson effect of silane Obviously, for large flow conveying systems, frosting will occur on the pressure regulating valve, which will cause the valve to fail in severe cases

Method used

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  • Skid-mounted gas fuel ignition device and ignition method thereof
  • Skid-mounted gas fuel ignition device and ignition method thereof
  • Skid-mounted gas fuel ignition device and ignition method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0057] Such as figure 1 As shown, a skid-mounted gas fuel ignition device includes a valve instrument control panel 1, a gas storage, a fixed bracket 4, and a trailer 5. The gas storage and the valve instrument control panel 1 are both arranged on the trailer 5. The gas storage is used to provide the gas required for coal underground gasification ignition; A pipeline for transporting gaseous fuel, and the pipeline is equipped with valves and instruments for controlling the delivery of gaseous fuel.

[0058] In this embodiment, the gas storage is preferably a set of gas cylinders 2 . The trailer 5 includes a chassis, wheels, draw beams, etc., and the chassis of the trailer 5 carries a valve instrument control panel 1 and a gas cylinder group 2 to form an integrated skid-mounted body. The fixing bracket 4 is used to fix the valve instrument control panel 1 and the gas cylinder group 2 . The fixed bracket 4 is welded on the chassis of the trailer 5, including four square tube ...

Embodiment 2

[0077] Parts that are the same as or corresponding to those in the first embodiment adopt the reference numerals corresponding to those in the first embodiment. For simplicity, only the differences between Embodiment 2 and Embodiment 1 are described.

[0078] On the basis of the structure of Embodiment 1, such as figure 1 and image 3 As shown, the skid-mounted gas fuel ignition device also includes an instrument and electrical control box 3, which is installed on the chassis of the trailer 5, arranged on the back of the valve instrument control panel 1, and can be fixed by the fixing bracket 4.

[0079] In order to realize the automatic control of the ignition device, the valve instrument control panel 1 is also provided with sensors (such as pressure sensors, temperature sensors, flow sensors, etc.) for collecting gas state signals and controllers and sensors for controlling the actions of each valve. It is connected to the signal input terminal of the controller, and the ...

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Abstract

The invention discloses a skid-mounted gas fuel ignition device and an ignition method thereof. The ignition device comprises a trailer, a gas storage device and a valve instrument control panel, wherein the gas storage device and the valve instrument control panel are both arranged on the trailer, and the gas storage device is used for providing gas needed by underground coal gasification ignition; the valve instrument control panel is provided with a pipeline which is communicated with the gas storage device and is used for conveying the gas; the pipeline is provided with a valve used for controlling gas delivery, and an instrument. The ignition method comprises the steps of using spontaneous combustion gas and fuel gas to ignite a coal seam, and protecting the delivery pipeline by usingsafe gas with stable properties. After the ignition device and the ignition method thereof are adopted, gas fuel can be efficiently and safely conveyed to an underground gasifier for realizing ignition. The ignition device adopts a skid-mounted structural design and is more flexible in movement, thus being conveniently and quickly moved to the mouth of a well needing ignition operation.

Description

technical field [0001] The invention relates to the technical field of underground coal gasification, in particular to a skid-mounted gas fuel ignition device and an ignition method thereof. Background technique [0002] Underground coal gasification (Underground Coal Gasification, UCG) is the process of controlled combustion of underground coal to generate fuel gas through thermal and chemical effects on coal. This process integrates the three major processes of well construction, coal mining, and surface gasification. It changes the traditional physical coal mining into chemical coal mining. Only the energy-containing components in the coal are extracted, and the ash and gangue are left in the ground. It realizes unmanned underground production, avoids personal injury and various mine accidents, and is known as the "second generation" coal mining method. [0003] In the process of underground coal gasification, the underground coal seam is the gasification target of the u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/48F17D1/04F17D3/01
CPCF17D1/04F17D3/01C10J3/48
Inventor 徐斌张树川郑林杜慧华徐军
Owner XINJIANG GUOLIHENG CLEAN ENERGY TECH CO LTD
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