diesel vertical steam boiler high quality

Water into steam necessary to heat absorption, its heat from the fuel, the fuel and air to the combustion heat can be bonded oxide after combustion of the fuel into the high-temperature combustion products (flue gas), this process is the fuel chemical energy into thermal energy of combustion products during a high temperature and flue gases through the heat transfer surfaces of a variety of heating, thermal energy pass water, after absorbing water into steam, the endothermic steam is further superheated steam of a high temperature, and therefore, gas working fluid distribution within a single diesel vertical steam boiler high quality water and steam, fuel and air and must have.

Notes boiler blowdown and the specific steps boilers use a long time there will be all kinds of dirt, these vexing dirt may also affect the use of the boiler, the boiler should be how to clean up the dirt of it? What issues should pay attention to it? Described briefly below: 1. In order to prevent the water inside the boiler slag scale accidents caused by it, we must ensure that the internal flow of water quality, water alkalinity reduction furnace, when the furnace water alkalinity greater than 20 mEq / l, should be sewage. Note that when the sewage: 1, when two or more than two boilers use a sewage, the sewage is prohibited simultaneously. 2, if a boiler in the repair, so that the boiler should be isolated from the manifold open. 3, blowdown, the water level should the boiler at high and low loads. Second, the blowdown steps: 1, open the drain valve, preheated sewage mains, pipelines After preheating, the big valve, the discharge is completed, immediately close the drain valve. 2, blowdown, if there is an impact sound in the outfall passage, the discharge valve should be closed immediately until small sound disappears, and then slowly open the valve play, sewage for too long, the drain valve is fully opened time is generally not more than 15 seconds , so as not to affect the boiler water circulation. 3, sewage and cycle emissions should water quality monitoring personnel to determine the general sewage class at least once a regular basis. These are the boiler blowdown precautions and specific method, if it is found to be timely boiler fouling detergent treatment, if ignore them, over time, it will not only affect the efficiency of the boiler, but also a security risk.

Yesterday we learned that the Guangdong Province to increase pollution control efforts by the provincial people's government approval, Guangdong Province Market Supervisory Authority, the ecological environment of Guangdong Province, Guangdong Province, recently issued jointly approved by local standards "boiler air pollutant emission standards." Compared to the original standard, including contaminant particulate matter, sulfur dioxide, nitrogen oxides, etc. received strict emission limits help to further reduce the total emissions of air pollutants.

Provincial Department of environment-related offices responsible person, the current Guangdong Province "Boiler Air Pollutants Emission Standards" promulgated and implemented more than eight years, with advances in pollution control technology, emission control requirements of its apparent leniency. Meanwhile, Guangdong air pollution control task is arduous, urgent need to close strict standards, further reducing the total emissions of air pollutants.

Guangdong "boiler air emission standards" in the context of the implementation province domain for coal, the material forming the fuel oil, gas and raw fuel 65 tons of steam per hour and less steam boilers, hot water boilers of various capacities and Heat Transfer Material Heater; stoker various capacities, stoker furnace.

The new "boiler air pollutant emission standards" (DB44 / 765-2019) to adjust six major areas.

A clear the raw fuel material forming air pollutants emission limits fuel boiler;

Second, the received strict emission limits boiler air pollutants, increasing the emission limits coal boiler mercury and its compounds;

Third, the abolition of provisions different emission limits by functional area and boiler capacity;

Fourth, in particular an increase of atmospheric pollutant emission limit requirements;

Fifth, increase the fugitive emission control requirements;

Sixth, the excess air ratio conversion flue gas pollutants to the atmosphere of pollutants emission concentration of the reference oxygen content conversion, the oxygen content of the clear reference atmospheric pollutants fired boiler burning biomass.

The new standard in the province gamut execution, the execution time of the specific step-wise: new boiler effect since April 1 this year; the transformation of boilers give some time, depending on which region, from 1 July 2019 2020 or the date of July 1 implementation of the new standards.

Natural gas boiler after a period of time will have scale, rust and other problems, which requires us to clean up equipment from time to time. Natural gas boiler cleaning is not like our daily necessities cleaning, see how this article is introduced. After a long period of operation, the natural gas boiler inevitably has the problem of scale and corrosion. The main reason for the formation of the scale in the boiler is that there is a hardness component in the feed water, and after continuous evaporation and concentration at high temperature and high pressure, A series of physical and chemical reactions take place in the furnace, resulting in the formation of a hard, dense scale on the heated surface, resulting in a decrease in the heat transfer effect and corrosion factors under the scale, which will lead to a pot The water wall furnace heat absorption decreases, the boiler outlet temperature increases, and the boiler loss increases. At the same time, after scaling in the water wall, the heat transfer effect is reduced, which may lead to the increase of the wall temperature of the water wall and the explosion of the water wall, which affects the safe operation of the natural gas boiler. Scale is the most harmful factor of boiler, it is the main cause of boiler accident, and its harmfulness is mainly manifested in the waste of a large amount of fuel: because the thermal conductivity of scale is only a fraction of that of steel and the thermal conductivity of scale is only one-tenth of that of steel. Therefore, the heat transfer will be blocked after scaling on the heating surface. In order to maintain a certain output of the boiler, it is necessary to raise the temperature on the side of the fire so as to make it radiate outward. And exhaust smoke caused heat loss. High efficiency and environmentally friendly non-corrosive cleaning agent can be used to clean gas-fired boiler. The cleaning agent can completely dissolve the cleaning scale and make the tube of the equipment show the original metal color and reduce the influence of scaling and biological algal sludge. At the same time, it can peel off iron oxide and ferrous oxide, prolong the service life of gas-fired boiler, reduce energy consumption and increase productivity. Natural gas boiler cleaning should be carried out by professional cleaning companies to ensure a thorough and effective cleaning equipment.

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