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Water wall boiler tube leak or burst phenomenon how to do 1, the normal water flow is not greater than the steam flow. 2, the furnace pressure transient and unstable prejudiced. 3, tube leak detection alarm device. 4, the furnace may not tight at the outward discharge gas and water vapor, and a significant leakage sound. 5, the main steam pressure drop. 6, boiler combustion dark flame instability caused by severe boiler fire. 7, when the induced draft fan is automatically cast, abnormal static vane opening is increased, the current increases. 1 reason, the presence of water wall tube material defects or post-production, the installation of the damaged pipe, poor welding quality. 2, the inner tube fouling overtemperature. 3, the inner tube corrosion. 4, water wall wear. 5, the long-term high load operation, furnace coking, coal sulfur corrosion caused by high temperature water wall. 6, improper combustion, flame deflection. 7, in the possession of bad foreign body, the water cycle. 8, the wall of the long-term over-temperature operation. 9, the temperature difference between waterwall tubes, mechanical stress crack. 10, the normal exit or drain sootblower steam punctured tube. 11, smashed chunks of coke furnace water wall tube or serious explosion occurred, resulting in water wall tube suffered external damage. 12, boiler overpressure long run. 13, the boiler starts to heat up, step-up too fast. 1 process, the leakage should try waterwall tubes outage. The leakage is not serious, while still capable of maintaining operation, note that each of the automatic operation when the device, if not normal, it is cut immediately to the manual, if necessary, may be down, down-load operation. Closely monitor the development trend of damaged parts, good accident anticipation, application shutdown as soon as possible. 2, if the leak is serious, the bursting point temperature after a sharp rise in quality work, leading to serious over-temperature wall, unable to maintain the normal operation of the boiler or threaten the safety equipment, emergency shutdown provision should be processed, when the steam temperature to protect the action value, the protection does not move, should immediately hand MFT. 3, note that the operation of the electrostatic precipitator, to strengthen the inspection checks, to prevent fouling, and the electrodes ESP hopper, pipes and the like plugging air preheater ash. 4, after the shutdown, should retain ID fan, the furnace pressure is maintained constant, there is no discharge to be stopped after soda ID fan.
Vertical large capacity condensing fired steam boiler What are the advantages? With the continuous development and progress of science and technology, the boiler applications also become increasingly wide range of vertical steam boiler is not only elegant appearance, small footprint, and low power consumption, strong performance advantage. So what are the advantages of low power consumption vertical steam boiler what else? Let us to understand a small taping, convenient vertical steam boiler ignition bathing water can be discharged outwardly after two minutes a suitable temperature, without pressure, safety, a normally open tube furnace to the atmosphere, does not have any valves, to ensure safe and reliable operation. And interior of the boiler can be extracted within a few minutes, making repairs or updating the boiler is also extremely fast, short, very convenient. Second, clean the inside of the boiler fouling is a killer, many products are not remove fouling or in addition to science is not complete, but the vertical steam boiler manually to complete the removal of internal boiler fouling, will not leave any dead ends. And heating water and bathing water is not mixed with, but also add a water softener water heating cycle intervention, will not make the whole boiler fouling, very clean. Third, energy saving vertical steam boiler when the water temperature of the furnace is low, reduces the heat loss. And the use of advanced environmental protection technology, can completely smoke-free dust-free, high environmental requirements for cities to achieve energy saving effect. During use, does not produce smoke, the onset of gas boilers together as a whole, the fuel on the grate in cast from the incineration stoker opening, using a high temperature steam and coal seam combined and allowed plenty of chemical attack the combustible gas after reaction, multiple backhaul several cycles, using the pipeline full heating surface, the progress of burning thermal efficiency, heat loss can be reduced to a large extent, energy saving. Vertical steam boiler since the sale of the trust of many old and new customers praise the majority of users. Simple vertical steam boiler maintenance is also very simple, and most businesses will be responsible for after-sales maintenance boiler work, professional service staff, so please do not worry, you can rest assured purchase!
July 26, 2016, Beijing, China Everbright Paper Co., Ltd. and the company signed a "split 6 tons of steam condensing gas large capacity condensing fired steam boiler contract" by the company responsible for the WNS6-1.25-YQ split condensing gas boiler steam to all production, installation and commissioning work. The product is the use of condensing technology, effective emission of harmful substances SOx, NOx, COx, is industrial boilers efficient and environmentally friendly solutions.
Internal gas-fired, gas-fired fuel management is equally important for wear to how to do? Detailed examination is the key, fuel management is equally important. We can according to operating conditions, gas-fired, time, planning and reasonable arrangements for wear of the check, when using fuels strict control of particle size into the furnace of coal and limestone particle size of bed material similar to strict customs, boiler waste to be treated before discharge. Want to reduce the impact on the water wall tube may be appropriate to adjust air pressure, air volume, can effectively reduce the wear and tear of the water wall. Maintenance shutdown time is generally in a standby or shutdown, check items include wear the furnace wall, the furnace seals are tight, leak or absence of smoke and the like. In the case of wear was found to be timely repair and welding, to ensure the normal operation of the large capacity condensing fired steam boiler. Generally gas prior to combustion boiler needs to be filled in the combustion chamber fossil fuel, fossil fuel and bed material, the full integration of recycled materials in an air convection wind speed, wind strength and rigidity of the bottom of the apparatus, the inner core region of upwardly movement, the outer annular area of the reflow furnace wall along a downward extension of the coal particles in the furnace residence time, mineral particles, fly ash and flue gas contains a large number of large amounts of fly ash particles causes the waterwall tubes kept fast erosion wear, wear thin wall thickness, resulting in wear and tear.
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