Liquefied natural gas oven device
A liquefied natural gas and oven technology, which is applied to the device for coating liquid on the surface, pretreatment surface, coating and other directions, can solve the problems of excessively long flame, complex structure and high combustion temperature, and achieves easy horizontal installation and disassembly, The effect of preventing the flame from being too long and the temperature is too high, and the structure is simple and light
Active Publication Date: 2019-03-01
鞍钢集团工程技术有限公司
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Problems solved by technology
[0003] In order to solve the problems described in the background technology, the present invention provides a liquefied natural gas oven device, the purpose of which is to solve the technical problems existing in the existing oven device such as complex structure, too long flame, too high combustion temperature, and difficulty in controlling the oven process.
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[0019] The specific embodiments provided by the present invention will be described in detail below in conjunction with the accompanying drawings.
[0020] Such as figure 1 As shown, a liquefied natural gas oven device is a three-layer casing structure installed horizontally, which includes an air center pipe 6, a liquefied natural gas pipe 4, and an air main pipe 14 from the inside to the outside; one end of the three-layer casing structure is the French Lan 1, the other end is a flame nozzle, the nozzle end face 8 of the air center pipe 6 and the nozzle end face 10 of the liquefied natural gas pipe 4 are all located inside the end face of the air main pipe 14, and the nozzle end face 10 of the liquefied natural gas pipe 4 is connected to the end face of the air main pipe 14 The distance is greater than the distance between the end face of the nozzle 8 of the air central pipe 6 and the end face of the air main pipe 14 .
[0021] Also be provided with spoiler 5 and 12 in desc...
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The invention provides a liquefied natural gas oven device which is a horizontally installed three-layer sleeve structure. The device sequentially comprises an air center pipe, a liquefied natural gaspipe and an air main pipe from inside to outside. One end of the air main pipe is provided with a flange, and the other end of the air main pipe is provided with a flame nozzle. The nozzle end face of the air center pipe and the nozzle end face of the liquefied natural gas pipe are both located in the end face of the air main pipe, and the distance between the nozzle end face of the liquefied natural gas pipe and the end face of the air main pipe is larger than the distance between the nozzle end face of the air center pipe and the end face of the air main pipe. The oven device is a circularthree-channel horizontal baking device, the front end of the oven device is provided with an air and liquefied natural gas nozzle, and the nozzle and the horizontal line form a certain angle, so thatair and liquefied natural gas are fully mixed near the front end of the nozzle, complete combustion is achieved, horizontal flames and short-time burning can be realized, and the phenomenon that the flames are too long, the temperature is too high and accordingly a furnace brick liner is damaged is avoided.
Description
technical field [0001] The invention relates to the technical field of liquefied natural gas ovens, in particular to a liquefied natural gas oven device. Background technique [0002] In the low-rank coal pyrolysis comprehensive utilization project, coal pyrolysis gas (high calorific value coal pyrolysis gas produced by coal pyrolysis furnace) heating furnace and coal pyrolysis furnace are the key facilities of the whole process, coal pyrolysis gas heating furnace and Before the coal pyrolysis furnace is put into production, it is necessary to dry the refractory lining of the furnace body and the refractory lining of the pipeline to remove moisture, and make the lining masonry reach the working temperature (about 1000°C) before putting into normal production. Before the coal pyrolysis gas heating furnace and coal pyrolysis furnace were put into production, there was no gas available for the furnace in the factory, and only tanker liquefied natural gas was used as the fuel fo...
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IPC IPC(8): B05D3/02
CPCB05D3/0254
Inventor 苏蔚马海林战奇
Owner 鞍钢集团工程技术有限公司