5 ton hours coal fired hot water boiler

5 ton hours coal fired hot water boiler

Industrial boiler energy-saving technological transformation of existing problems in industrial boiler energy-saving technological transformation of Question 1, the lack of innovation, application of energy-saving boiler mature, molding technology and equipment, such as: increased flue gas heat recovery unit, blowers inverter , condensate recovery and other conventional energy-saving measures is essentially a general condition; and the need for structural changes in energy-saving measures, such as fractional bed combustion of coal and boiler furnace arch transformation techniques, etc., are rare; as transformation project new principle, a new device, oxyfuel technology, high temperature air combustion technology, spray pulverized coal combustion technology (+ supernatant layer combustion boiler combustion mode), condensing heat recovery technology, new energy technologies dust ash and water treatment equipment, is very few. In general, innovation is not enough, the technical content needs to be improved. 2, part of the boiler is not fully considered in the transformation process, but simply changing the burner, the combustion gas flow distribution and does not match the corresponding surface of the heating boiler, the boiler furnace wall insulation and sealing transformation. There is poor combustion boiler, insufficient output, higher exhaust temperature problem, can not achieve the purpose of energy saving. 3, the waste heat boiler using high temperature organic heat required for thermal processes, a boiler generally at 200 ℃ 300 ℃, the exhaust gas temperature of the boiler is usually too high, excessive. In order to meet requirements of energy saving, companies often mounted in the boiler backpass evaporator or a hot water tank, flue gas waste heat recovery, reducing the exhaust temperature. But most of the heat generated in the production process does not require little energy. 4, statistical analysis of experimental data shows that there are many problems inefficiencies run natural gas boiler. The main concern of automatic combustion control, early production debugging is not in place, and so on. Gas boiler gas and incomplete combustion abnormal increase in heat loss caused by high temperature exhaust gas is the direct cause of poor operating efficiency. However, the use of clean energy natural gas boiler, generally higher thermal efficiency, energy saving difficult. Corporate restructuring investment funds enthusiasm is not high.

We learned from Anshan City Bureau of the ecological environment: to improve air quality living environment for urban residents, according to government requirements, Anshan external publicity of the built-up areas and industrial parks and a list of more than 10 tons of coal-fired boilers, municipal environmental protection department also welcome all citizens supervision, to provide the city's built-up areas and 10 tons and above boiler clues industrial park outside the list.

Battle to lay the blue sky, the city has in recent years embarked on a built-up area and the city's industrial park and 10 tons of coal-fired boilers out of work, the city built-up areas and industrial parks and 10 tons of coal-fired boilers demolition of all the reservation coal-fired boilers to achieve discharge standards. As requested, before the end of 2020 in the city of Anshan City will be built-up areas and industrial parks all phase-out over 10-20 tons coal-fired boilers, coal-fired boiler units involved should be prepared in advance.

To further enhance the quality of atmospheric environment, promote environmental management to raise the overall level, in accordance with the requirements of the provincial government, the city of the city within built-up areas and industrial parks and more than 10 tons of coal-fired boilers information for publicity. These publicity boiler will be included in the list of key sewage units, strict supervision, to ensure the discharge standards.

Coal-fired 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.

The method of adjusting the temperature of the superheated steam heating stove have? The method of adjusting the temperature of the superheated steam heating stove have? DC boiler steam temperature is mainly adjusted by adjusting the quantity of fuel to water. In actual operation, because the efficiency of boiler feed water and fuel heat enthalpy (depends on the water temperature) and the like will change, so the actual boiler operation to ensure the water-fuel ratio of the exact value is not easy. Coal-fired furnace will fluctuate because of the amount of coal and the amount of fuel due to the steam temperature. So, except DC boiler fuel to water ratio as the coarse adjustment means, but also must be used as a method of spray desuperheater means of fine-tuning adjustment. There is also some boiler flue gas recirculation, dampers and methods of the swing center of the flame as an auxiliary adjusting device.

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