szl coal fired water tube boiler

szl coal fired water tube boiler

Coal-fired szl coal fired water tube boilers into gas-fired boilers, there is no obvious advantage: the use of coal energy is larger proportion of the amount of primary energy, but with the continuous strengthening of energy saving policies, many of them need to be high-quality boiler transformation process, alternative out pollution is serious and complex operation of coal-fired boilers to meet environmental requirements. In situations of strong proponent of environmentally friendly low-carbon, high-efficiency low-pollution coal-fired boilers into energy-saving and low pollution emissions from gas-fired boilers, will be the inevitable trend of social development, then, after coal-fired boilers into gas, which obviously advantage? 1, first of all, the transformation of coal-fired boilers to gas boilers, can significantly reduce pollutant emissions, cleaner and more environmentally friendly. Coal itself there is a great stain resistance, coupled with the combustion process will produce a lot of smoke, but also with environmental contrary; after boiler, natural gas, ash and sulfur content is very low, smoke and dust generated by the amount little to almost nothing better achieve the environmental standards of boiler equipment. 2, secondly, after the successful transformation of the unique boiler can reduce the investment cost of more boilers, because gas-fired boiler is no need to configure a variety of desired soot blower and dust, coal boiler slag equipment, and boiler into gas after the furnace does not require much space for space-saving stacking coal space, but also saves additional auxiliary gas boiler water for dust coal boiler slag and other dust. 3, again, easier to operate gas-fired boiler, gas is transported by pipeline without having to use storage devices can be used directly in the fuel prior to combustion without the need for professional re-processing, coal boilers requires not only professional conveyor track also requires a lot of storage sites and carried out by the need to make better use of coal pre-combustion process can be. 4, after the transformation of the important benefits that reduce the labor intensity. After transformation through boiler can reduce the staff, not the entire gas boiler coal-fired boiler various auxiliary equipment, thereby reducing operator can also save the company costs more, the whole process is not simple physical strength pay.

Gas Steam Boiler non-normal stall, a phenomenon and treatment, flame reasons: 1, the operation of the auxiliary power supply or trip interruption. 2, szl coal fired water tube boiler combustion instability. 3, the load is too low, so that the load sharply mill automatic ignition energy loss or failure of combustion. 4, mutant coal, coal volatile or low calorific value. 5, the automatic combustion flame detector failure or failure caused by tripping mill. 6, or blast furnace wall tubes serious improper boiler soot-blowing operation, a large amount of water vapor into the combustion chamber. 7, coal pulverizing system, fuel system failure, resulting in a significant amount of fuel reduction or interruption. Or with a large amount of water in the fuel oil gun blocked too many impurities, low pressure steam or atomized. Second, the phenomenon: 1, a significant increase in furnace pressure, furnace flame monitoring flameless CRT display. See the fire no fire hole, BTG warning window MFT warning lights. 2, the unit load decrease, the steam flow drops rapidly, each segment working medium temperature, the vapor pressure decreases, the value of oxygen surge. Third, the method of treatment: 1, if the MFT tripping protection, should an emergency shutdown processing, stop the supply of fuel. 2, identify the cause flameout, and try to eliminate, to conduct a comprehensive inspection of the boiler, after confirming the device properly, can restart. How early circulating fluidized bed boiler ignition achieve the protection of reheaters? Fire causes of valve failure chemical industry regulation and Countermeasures bearing parts heat treated high boiler common defects due to low bypass the security gate and reheaters failure phenomenon and treatment of condensate pump turbine worm gear failure cause analysis and improvement measures in the pneumatic valve powder operating system instructions on how to implement.

It is reported that in March 15, Chifeng City, a special inspection of the pressure to carry out an internal inspection of industrial gas and steam szl coal fired water tube boiler upgrade skills than the ability to test cum activity. Chifeng City, the special prosecutor, deputy director Jiao Wenxiang, deputy chief engineer Wang Shusen, deputy chief engineer Zhang Yulin and a pressure test of all personnel to participate. The ratio of the activity is divided into document review, site inspection, inquiry exchange three links, the city of Chifeng hotel comparison site inspection in WNS4-1.25-Q type of boiler.

In the field, compared to persons in accordance with the "boiler periodic inspection rules," "Boiler Safety Technology Supervision" and other relevant standards, test preparation equipment industrial gas steam boiler inspection, the document review, site inspection programs, projects, methods, inspection found defect assessment and treatment, inspection records and test the views of notice to fill in field operations and other aspects of comparison. Then the referee group of inspectors to participate in the comprehensive assessment ratio, the final nine inspectors compared the results were satisfactory. The ratio of inspectors to participate have said, by building a mutual learning platform for the exchange ratio of activities to enhance their own inspection techniques, in order to better carry out the annual inspection lay a solid foundation.

After comparison, the assessment team for each ratio of staff present in the actual operation problems raised rectification, so that each person than to recognize their lack of inspection in the presence of, as well as their ability to enhance the tailored inspection Program. In the future, I will continue to strengthen and enhance the inspection capabilities, adhere to the bottom line of thinking and problem-oriented, to provide a solid technical support for the safety of special equipment to hold the bottom line.

Greater than 65t / h industrial szl coal fired water tube boiler of what air pollutant emission standards should be executed? A: The State Environmental Protection Administration, Central Division-standard [1993] No. 012 document pointed out that the emergence of a small number of parameters currently higher than GB1921-80 "industrial steam boiler parameters Series" and GB3166-82 "hot water boiler parameters Series" layer burning, stoker boiler, regardless of its use Zanan GB1327-91 execution. Therefore> 65t / h or more (except coal, circulating fluidized bed, and fuel, gas fired boilers) industrial boilers should be performed "boiler air pollutant emission standards."

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