Large Heating Coal Boiler

Operation of a gas large heating coal boiler gas boiler in Henan related to maintenance, the ignition operation, fire, shutdown and some other operational measures: First, the gas boiler maintenance Henan, operating procedures should be required to carry out tests on the gas transmission main boiler protection devices, ensure that the main protection correct action. Second, the ignition process Henan gas boiler, fuel pressure, fuel temperature, steam pressure atomization, atomization steam temperature and other parameters must meet the requirements of operating procedures, good place to observe oil gun fire, fire detection return to normal, prohibit short-energize inspection signal forcibly put into the oil gun running. Single oil gun when the flow is greater than 0.65kg / s, exit the gun should be run immediately. Third, observe boiler ignition temperature rise rate of fire smoke significantly Pianman furnace flue gas temperature of the main steam temperature, steam pressure rises when the main, the case of smoke or boiler ignition temperature did not rise immediately to check the opinions of the oil gun, if No fire was found after the fuel into the furnace, emergency shutdown, re-ventilate the furnace purge Do not allow to run into the boiler ventilation oil gun. Fourth, note that starting mill to check whether the subject returns normally coals, coal mill outlet temperature of greater than 70 deg.] C line is allowed to increase the amount of coal (three grinding mill operation start of the fourth stage, the coal mill outlet line than 80 ℃ temperature allowed to increase the amount of coal, to prevent excessive vibration furnace). Full stop before the gun when the present discharge amount of coal is increased 5.0kg / s or more. 6.3.5 Operating Henan gas boiler, "furnace black", "lose the protection of the main fuel" must be put into operation as required operating procedures. In case of a fault protection device itself appears to be temporarily out of operation, to be approved by the competent manager or chief engineer before implementation. "Furnace black", "main fuel unprotected" means the period out of operation, priority monitoring attendant to furnace pressure, the oxygen, the main steam temperature, the main steam pressure and other parameters, and through the furnace of fire industrial television monitor, and if found hearth fire, emergency shutdown. Sixth, Henan gas boiler normal operation, the fuel system and oil spare gun good condition, found that boiler combustion instability immediately put oil combustion. Seven, after Henan gas boiler fire, into the oil gun is strictly prohibited without the operation of the boiler ventilation. Eight, gas boiler has confirmed the fire, when the MFT is not operating, emergency shutdown, and check that the two primary air fan, 4 mill, 16 oil gun has stopped running. Back nine, Henan gas boiler trip or normal shutdown to be purged immediately ventilate the furnace, the furnace unburnt coal dust and combustible gas pumped in a timely manner. And promptly shut down the boiler supply and return oil total gate manually to prevent leakage of fuel oil gun into the furnace. Ten, Henan gas boiler shutdown purge gun ban mill and pulverized coal into the furnace exhaust.

The reason the gas large heating coal boiler to replace coal-fired boilers with the improvement of economic level, gas boiler to replace the coal-fired boilers, which causes the occurrence of this phenomenon it? Following small for everyone to introduce specific: 1, coal-fired boilers generally high cost, complex structure, low thermal efficiency, work slow, operating strength, requires a lot of memory and storage of coal ash sites, and the need for coal pulverized material, curing, preventing many complicated procedures and spontaneous combustion. 2, with the popularization and development of gas industry, some coal-fired boiler to gas fired boiler, although the effect is an improvement over all aspects of coal-fired boilers, but obviously with a lot of deficiencies, from the installation of the burner into the furnace, convection bank arrangement and exhaust system must accommodate the original coal-fired boiler, so the overall effect is far better than gas-fired boiler professionally designed. 3, many coal-fired boilers because of the long time use, it has been a lot of problems in the use of effects and economic terms. 4, and with increasing heating resident population of the region, the heat load of the boiler has become a serious shortage, making a lot of resident households reach room temperature heating requirements, the inconvenience to residents. 5, taking into account safety and environmental factors we have to consider its alternatives - the development prospects of the gas boiler. These are the causes of knowledge on gas-fired boiler to replace coal-fired boilers, and you also have a lot of harvest it the same with small series? I hope this helps you make better use of gas-fired boiler.

How to choose a reasonable price brand of industrial large heating coal boilers How to choose a reasonable price brand of industrial boilers How to choose a reasonable price brand of industrial boilers, fuel gas-fired boiler, good insulation properties, clean and green, the boiler thermal efficiency advantages, is currently popular on the market a boiler in addition to the gas boiler has its own characteristics, the full implementation of the national coal policy to further promote gas-fired boiler coal-fired boiler to become the user's preferred furnace, gas boiler market demand continues to grow. There are many brands on the market boilers, boiler quality is not uniform. For users, how to choose the right brand of industrial boilers price is very important. How to choose the affordable brand of industrial boilers, we all know that smoke respirable particulate matter is the culprit, but in fact, another reason - nitrogen oxides can not be ignored. Project promotion, gas boilers ownership will continue to increase. Coal combustion gas may reduce the pressure of the coal, to reduce the concentration of airborne particulate matter, nitrogen oxides, but also an important reason for the smoke, which generates an important condition is a high temperature. Gas boiler for heating and the heating temperature needs. Many gas SO2 emissions from large boilers on the one hand is greatly reduced, on the other hand produce large amounts of nitrogen oxides. Fast side gas boiler gas boiler can be reduced to nitrogen oxides emission concentration 30mg / m or less. With the implementation of the new emission standards across the country over the next three to five years to use low nitrogen gas boiler to improve the cleanliness of a large number of industrial buildings and residential heating gas boiler emissions.

Fangkuai Boiler has carried out a large-scale welding revolution, eliminating traditional manual welding operations with low efficiency, low accuracy and poor stability, and converted it to the use of mechanical welding equipment with high efficiency, high accuracy and high stability for automatic operation . Realize welding automation of all important parts from the drum to the tube sheet. The submerged arc welding, argon arc welding, carbon dioxide welding and other welding details of the process have also made corresponding intelligent changes, workers' welding environment is cleaner, and the quality of large heating coal boiler welds is more guaranteed.

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