Taking into account the special nature of commercial gas hot water boiler, the boiler needs to pay attention to whether there is anti-jamming device, the device not only related to the life of the boiler, but also related to the stability of the equipment, can not be ignored.
Boiler explosion in the boiler explosion pressure is always weak parts of component failure, and then by the gas, water expansion due to severe water hammer pot large amount of water so that the tear propagation occur. Vertical boiler rupture, most of them in scraps circle at a lot of steam from cracks jet, flew into the sky like a rocket, likely to fly away from tens to hundreds of meters; horizontal boiler explosion, prone to high temperatures in the lower abdomen drum furnace or combustion zone above the high temperature radiant section, since the inside of the furnace, boiler most likely parallel longitudinal flew. Next, we analyze the reasons for the explosion of the boiler equipment: 1, congenital defects: design errors, force structure, thermal compensation, the water cycle, a serious error with respect timber, strength calculation, safety facilities; manufacturing error, the wrong material, not according to the drawings, poor quality welding, heat treatment, hydrostatic testing, and process specification errors. 2, overpressure rupture: high operating pressure exceeds the boiler working pressure permit the element stress than the material limit stress. Overpressure conditions often due to safety relief device failure, inaccurate pressure gauge, overpressure alarm device failure, severe water shortages and accidents caused by improper handling. 3, overheating failure: a steel sheet hot burn, reduce the strength member caused damage. When the boiler water is generally dry, thick fouling, boiler water, there is reason to cause foreign matter or grease fall within the drum asbestos rubber plate or the like. 4, and burst patterns from slot: receiving element alternating stress, fatigue cracks, but also by the combined effects of corrosion, resulting in a groove-shaped thinned. 5, water hammer damage: the system caused by improper operation soda water hammer, so that the additional element by a strong stress failure. These are the causes of boiler explosion, I believe you must have learned a lot of knowledge of it, I hope this can help you to better avoid the occurrence of such phenomena, to ensure the safety of the work carried out.
Why do you want to be purged before boiler ignition and its tail pressure Description: knowledge and mastery learning boiler regard, the following will be continued, because this work is not yet complete, it can not be stopped. So, based on this, and so we have some gains and progress, without further ado, to immediately proceed with it, hoping to achieve the above purpose. Related workers 1. boiler water quality testing, and whether special operations personnel? And, on the boiler steam box, why should a fire be arranged exhaust pipes? For a question, the answer is yes, that is, the relevant operator of the boiler water quality testing, and is part of special operations personnel, or that belong to special equipment operator. In the boiler, which is arranged on the object of fire steam manifold exhaust duct, there are mainly two, one is for discharging air in the boiler starts to play the second is a safety valve for overpressure protection, and exhaust steam.
13th of this month, Jiangsu Province, held a working meeting air pollution control, meeting the main objectives and tasks around the year, and plan the next phase of priorities, from morning to promote strict air pollution control this year's tight.
First, in-depth treatment of industrial pollution, dehumidification start off white along the Yangtze River coal-fired power project to promote the electricity, steel, cement, coke, glass, carbon, boilers, furnaces and other key industries the full implementation of the transformation of ultra-low emissions, the province basically completed iron and steel enterprises sintering machine ultra-low emission transformation, cement, coke, glass, carbon industry to achieve the emission limits set provincial requirements.
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