Boiler and steam should have what conditions? (1) normal boiler plant, (2) a suitable material thickness, stable combustion furnace. (3) a pressure slightly lower than the superheated vapor pressure of the main steam pipe, generally 0.05 ~ 0.1MPa. (4) steam temperature between 370 ~ 400OC. (5) Drum Level of about -50mm. (6) steam quality qualified. (7) the tube conduit has fully warmed. Boiler Water Level Indicator How to deal with the failure of the boiler drum water level how to deal with failure? (1) such as boiler drum water level table has a damaged: damage to the door immediately closed water table level, valve, open its doors hydrophobic. With another drum water level meter to monitor the normal water level in the drum. Take urgent measures to repair or replace damaged water gauge. (2) Drum Level two tables are damaged, but the boiler feed water automatically, water gauge differential pressure within one hour and the front drum level table has proofreading, confirmed that the correct and reliable, with reference to the feed water and steam flow meter instructions, continue to run for 20 minutes. In both cases, the squad leader should report the value of long, to maintain the stability of the boiler load, and to take urgent measures to replace the drum level table. (3) If the two tables are damaged drum water level, water level gauge while the differential pressure is unreliable operation, should the emergency shutdown process. How to determine the boiler load plummeted? It plummeted What is the reason? What should I do? Come the following: boiler load plummeted phenomena: (1) steam flow plummeted, steam pressure soaring. (2) found the treatment is not timely boiler safety valve operating will result. (3) decreased instantaneous boiler water level then rises, a high level alarm signal. When the safety valve seat, the water level decreased rapidly, may cause low water level alarm signal. (4) When the transmission switch trip, to swing each of the auxiliary ammeter have abnormally, the flash lighting. Boiler load sharply reasons: (1) an outer line switch trips. (2) steam turbine emergency stop. (3) Isolation Valve core valve or the main valve off. Plummeted boiler load process: (1) The table indicates drum water level, steam and feedwater flow meter, automatic to manual feed water, to adjust the water level. (2) The rise and decline in steam pressure load, and timely Kohiki off, air supply, stop grate, holding BOILERS, open superheater hydrophobic. (3) timely adjustment of desuperheating water gate, so that the steam temperature is normal. (4) If the discovery process is not timely, the pressure exceeds the safety valve operating pressure, and when the security gate does not move, should Stokes Exhaust electric door open, until the normal pressure. (5) make contact with a load preparation, monitor and report the value of long. (6) accident, checked the action over the security door situation, is closed tight. When the boiler drum level is unknown how the "waters"?
The technology of the fuel divided into three regions: the primary combustion zone (main combustion zone) reducing weakened; fed again in the second combustion zone fuel, it presents reductive; third combustor into the combustion air required for the remaining complete burn-up process, in order to achieve staged combustion of fuel and air. Using this technique, we can reduce NOx emissions from gas-fired boiler more than 70%.
Wuhan Port District Social Welfare Institute (apartments for the elderly) is invested by the government pension services, with a total construction area of 38,000 square meters, 532 beds, mainly adopt destitute persons, social support on behalf of the elderly. Hope to provide welfare to the elderly year-round 24-hour hot water, the original boiler equipment can not meet this demand, therefore, require additional purchase orphanage hot water boiler. After much investigation, in cooperation with the welfare determined fast boiler, provides three integrally condensing gas hot water boiler (WNS1.4-1.0 / 95/70-Y.Q) by a fast boiler.
Henan gas hot water boiler maintenance method including Henan Henan gas boiler gas water boiler, gas hot water boiler in Henan, Henan gas low pressure 4 ton steam boiler in ararats, gas hot water boiler in Henan which include gas heating boilers and gas boilers bath, as the country "West-East Gas lose "project implementation, gas boiler gradually become the people's choice. So what Henan gas hot water boiler maintenance should pay attention to it? First, Henan gas hot water boiler during operation Note: 1, Henan, gas-fired furnace does not allow pressurized combustion or smoke, easy to burn out because stoker hole cover. 2, not on the bottom of the water gas boiler Henan ground surface to prevent moisture corrosion. Second, Henan gas hot water boiler running every 2-3 weeks, should be checked once. Third, Henan gas hot water boiler run every 3-6 months after the shutdown should conduct a comprehensive inspection. (1) on the inside and outside of Henan natural gas hot water boiler inspection, as part of the pressure welds, corroded steel inside and outside the phenomenon, if found should be repaired in a serious flaw, if not serious defects also repairs until the next shutdown , such as found in Henan have gas hot water boiler suspicious, but does not affect safety, records should be made for future reference. (2) Henan gas hot water boiler inspection After completion of the water may be boiler primer coating to prevent corrosion. Fourth, Henan gas boilers and boiler base paint at least once a year. Fifth, Henan gas boiler regular period of time without maintenance: dry and wet two kinds, one month shutdown, maintenance of law should be adopted dry, wet maintenance shutdown method can be used the following month.
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