Method and device for iron and steel enterprise rich oxygen use
An oxygen and enterprise technology, applied in the field of oxygen utilization in iron and steel enterprises, can solve problems such as production imbalance, loss of oxygen release, and release of rich oxygen, and achieve the effect of improving boiler efficiency
Inactive Publication Date: 2013-05-29
KUNMING IRON & STEEL GRP CO LTD
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Problems solved by technology
[0002] At present, due to the unbalanced production of the main steel production line in the oxygen production system of iron and steel enterprises, the rich oxygen is released from time to time, resulting in the loss of oxygen release
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[0015] The abundant oxygen utilization method of the present invention is:
[0016] A certain amount of oxygen (oxygen purity 60%-100%) is drawn from the oxygen production system of the iron and steel enterprise through pipelines and sent to the inlet air pipe 12 of the boiler blower to mix with the boiler supply air, and after mixing, the oxygen content of the boiler supply air is increased , so as to achieve the effect of reducing the amount of air required for boiler combustion, the amount of flue gas produced by the boiler, and improving the combustion efficiency of the boiler.
[0017] Such as figure 1 As shown, the oxygen delivery process sequentially passes through the pressure reducing valve 2, the inlet stop valve 3, the quick cut valve 5, the regulating valve 6, the flow orifice 7, the outlet stop valve 9, the flame arrester 10 and the oxygen mixing nozzle 11. Among them, safety valve 1, pressure gauge PI, thermometer, purge pipe 4 and release pipe 8 are installed o...
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The invention discloses a method and a device for iron and steel enterprise rich oxygen use. The method is as follows: a certain amount of oxygen is guided out from an oxygen production system of an iron and steel enterprise through a pipeline and delivered to a boiler blower inlet air pipe to be mixed with boiler blown air, the oxygen content of the boiler blown air is improved after the oxygen is mixed with the boiler blown air, and therefore the functions of reducing air quantity required by boiler combustion and the quantity of smoke produced by a boiler and improving the combustion efficiency of the boiler can be achieved. According to the method and the device for the iron and steel enterprise rich oxygen use, the problem of rich oxygen diffusion due to production imbalance in the process of production of the iron and steel enterprise is solved. The efficiency of a blower and an induced draft fan of the operation boiler can be improved after oxygen enrichment, the oxygen content of the air is improved by about 3%, and electrical energy can be saved by about 10% by the induced draft fan and the blower at the same time. The efficiency of the boiler can be improved by at least 2% through oxygen-enriched combustion of the boiler.
Description
technical field [0001] The present invention relates to a method and equipment for iron and steel enterprises to make full use of oxygen. Background technique [0002] At present, due to the unbalanced production of the main steel production line in the oxygen production system of iron and steel enterprises, the rich oxygen is released from time to time, resulting in the loss of oxygen release. Therefore, a 2×85t / h boiler oxygen-enrichment study is put forward to rationally utilize the released oxygen. Contents of the invention [0003] The object of the present invention is to provide a method and equipment for utilizing oxygen in iron and steel enterprises, which can effectively reduce the emission of oxygen in iron and steel enterprises due to unbalanced production. [0004] Usually, the oxygen in the boiler combustion process is obtained from the air. Increasing the oxygen content in the air during the boiler combustion process can reduce the amount of air required fo...
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Login to View More IPC IPC(8): F23L7/00
CPCY02E20/322Y02E20/34
Inventor 沈祚昌李绍刚杨国华冯延段群智段亚刚罗云翔罗云秋
Owner KUNMING IRON & STEEL GRP CO LTD