New Style industry price oil fired steam boiler for heating

New Style industry price oil fired steam boiler for heating

Important preconditions on the boiler flue gas dust removal and desulfurization process design engineering boiler flue gas dust removal and desulfurization project is constantly improving our air quality and reducing acid rain PH value. This article will focus on an overview of the relevant boiler flue gas dust removal and desulfurization project elaboration, analysis related to boiler flue gas dust removal and desulfurization process design engineering, to provide reference for China to improve environmental standards. Overview of related dust and sulfur dioxide in the flue gas dust removal and desulfurization project 1 boiler is the main material damage caused by acid rain and the atmosphere, and it is a form of sulfur dioxide is not a harmful gas has a color and pungent, severe cases can damage the atmosphere structure, resulting in environmental change. Not only that, people living with the process of the production process will produce some harmful dust and sulfur dioxide gas, once the proportion of air in these components is too high it will endanger people's health. But also pose a serious hazard to respect people's productive activities, industrial production, construction and so on. Boiler is an energy conversion device, the input energy to the boiler fuel chemical energy, electrical energy, thermal energy and other forms of high temperature flue gas, and after converting the boiler, the steam output have a certain outward heat, hot water or organic heat . Boiler is one of the main tools of our country's major industrial production, which will use special means to go after some of the energy input material must be converted into energy, in order to adapt to the development industry. But in the course of the boiler will emit harmful substances, although it will increase the efficiency of economic and industrial development in a way, but also bring a certain degree of damage to the environment, severe cases can endanger human safety. Current coal resources and consumption of oil resources gradually increased, resulting in dust emissions and sulfuric acid type gas also increases. So our national government to protect the environment but also introduced the corresponding countermeasures, continuous improvement boiler flue gas dust removal and desulfurization process design engineering methods to improve its environmental efficiency. Flue Gas Desulfurization relevant principles of the boiler 2 into the operating principle of this embodiment 2.1 magnesia mainly refers to the use of a slurry containing MgO as a desulfurizing agent in the wash, MgO is converted to magnesium sulfite (MgSO3) and magnesium sulfate (MgSO4), the sulfur is then removed from the solution. This approach boiler dust desulfurization more mature and has been widely used in Japan and Taiwan and other regions in mainland China also has many factories, dust removal and desulphurization work in this way. Moreover, this method of dust removal and desulfurization efficiency above 90%, help protect the environment, improve the current air quality. Also in the case where the like, the amount of magnesium oxide with calcium carbonate Desulfurization only two fifths, this method shows a high utilization of raw materials, and the effect is more obvious. Currently stored amount of magnesium oxide in our country up to 80 billion tons, ranking first in the world in mining technology is also more skilled, and therefore has a considerable edge for our country. 2.2 works swirl plate absorber tower for flue gas desulphurization dust from the boiler is first enters the venturi tube, for spraying a primary dust desulfurization treatment, and then a flow rate of 15 ~ 22m / s is tangentially into the swirl plate column cylinder, firstly by the action of centrifugal force, thrown large particles in the flue gas to the tower wall, and a top-down flow of the absorbing liquid trap. This method enables the boiler flue dust separated from the gas, and to achieve the object of dust removal and desulfurization. 3 boiler flue gas dedusting flue gas desulfurization process design inside the boiler through the heat exchanger after the dust removal device into efficient desulfurization device or directly into efficient desulfurization and dust removal device, and then use the exhaust chimney draft fan. In the dust removing device which will produce gray water tank into the lime, a process using sodium lye bath kinds sodium lye, then became lime mud. If there is still the use of multi-level gray water and sludge pump liquid precipitation treatment, after diluting the high water level of the pool can be completed. Therefore, in the boiler flue gas dust removal and desulfurization process engineering design process to rational design exhaust system, flue gas purification systems, precipitation systems, inspection systems, power systems, and infrastructure-related aspects. And actively improve the quality and level design to ensure that the results of the boiler flue gas dust removal and desulfurization national environmental standards in line with the relevant departments to develop. In the process design process should also consider the cost of construction of the whole project, detailed estimates of its economic benefits and social benefits. In the course of implementation should strengthen supervision and management, to improve the quality of the environment and efforts. 4 Conclusion With the improvement of scientific and technological level of China's industrial development speed greatly accelerated. But in the process of industrial development often will use some of the energy resources, such as coal resources, oil resources and other aspects of chemical materials, use of these resources in the process will produce some waste is not conducive to environmental sustainability. Therefore, the relevant enterprises and departments should actively improve the quality of the boiler flue gas dust removal and desulfurization, improve the rationality of engineering process design, lay the foundation for improving the economic and social benefits. This requires the joint efforts of government departments and enterprises, the only way our country's socialist market economy to be able to achieve sustainable development goals, to be able to improve the economic benefits of the greatest degree.

Henan gas treatment condensing boiler operation in the secondary combustion Accident Henan condensing gas boiler, deposited in the rear of the boiler flue gas condensing Henan combustibles (soot, carbon black) re-ignition combustion phenomenon called secondary combustion, also known as Henan condensing gas boiler flue tail and then burned. It will backpass severe, air preheater, induced draft fan and other equipment economizer even destroyed. 1. Henan condensing gas boiler secondary combustion phenomenon (1) a sharp rise in exhaust gas temperature, chimney to take smoke, fire or even smoke. (2) changes drastically furnace pressure, positive pressure occurs. (3) severe flue enclosure dark red. (4) when there is an air preheater, a sharp rise in the temperature of the hot air, pressure instability. (5) blast doors sometimes the tail action. Cause 2.Henan condensing gas boiler secondary combustion (1) poor atomization burner, oil, gas and incomplete combustion into the rear of the boiler. (2) combustion improperly adjusted, with insufficient wind or with the wind unreasonable. (3) Henan condensing gas boiler startup, shutdown during low furnace temperature, the unburned fuel in the furnace. (4) When shutdown or boiler fire, air gun valve is not closed. (5) the combustion chamber negative pressure is too large, too late to make the gas burn it into the rear of the boiler. (6) Long-term non-stop cleaning backpass furnace, accumulating a certain amount of soot or carbon black. (7) through the air preheater flue or leakage. 3. The gas processing condensed Henan secondary combustion boiler (1) should immediately stop the gas, stop the wind, shutdown. (2) closing the flue, and a baffle duct around the door opening, is prohibited to start sending, induced draft fan. (3) immediately extinguishing device into steam, carbon dioxide or other fire extinguishing means, (4) Strengthening Henan condensing gas boiler feed water and turn on the water, open the valve or economizer recirculation tube to protect the economizer is not burning. (5) When the exhaust gas temperature close to the temperature of the injected steam, or less than 150 deg.] C over 1h and stable openable inspection hole inspection, after checking element determines an ignition source, before the fan starts ventilation and cooling. (6) when the temperature drops below the flue 50 ℃, check before entering the flue tail heating surface, and should completely remove the flue soot. If not burning, can be re-started ignition; if burning, should be replaced, repaired burning member.

Hot water boiler heating mode, which has several? Indirect Heating boiler water: high temperature hot water supply system, and by directly converting the high temperature hot water heat transfer station is a low temperature and a low temperature heating system running hot water. The system contains two separate high and low warm water circulation, two lines standing pressure. Due to the heating system in their assembly separate water circulation system, high and low temperature circulating pump system, a separate area, the presence of equipment investment, operation maintenance, staffing, secondary energy consumption, infrastructure investment, covers and many other issues. Daily fuel tank hot water boiler provided steam heating means and electrical heating means, hot water boiler when cold start ignition furnace, because there is no electric heating steam, hot water boiler when the ignition is successful and handover immediately after the steam generated steam heating. Indirect heating of running hot water boiler with high viscosity heavy oil, in addition to a mechanical pulverizer means daily heater heating the oil in the tank to supply the service required corresponding to a temperature suitable viscosity, the heavy oil is pumped to Front heater - secondary heater again, the latter is to meet the needs of high temperature water boiler oil atomization nozzle. Thus, the heavy oil mainly for secondary heating boilers burning fuel, the other part is small in the circulation tank return line back into the household.

Recently, the market supervision bureau Zhoushan Development and Reform Commission and the relevant district towns, streets and CMC, 35 steam tons / hour and below the coal-fired boilers situation within the region to conduct a comprehensive diagnostic investigation, and to develop in accordance with the relevant requirements of provinces the remediation plan, renovation of existing enterprises to carry out classification boiler eliminated.

Accelerate the phase-out of coal-fired boiler renovation work is to win the Battle of the sky, to lay an important task for the campaign of prevention of pollution. In recent years, Putuo District of Zhoushan City, to speed up the adjustment of energy structure, and actively encourage enterprises to adopt "coal to gas," "coal to oil" as well as central heating and other measures. By the end of 2018, the district has completed the elimination or modification for 10 steam tons / hour coal-fired boilers 175 units, effectively promote pollution reduction work.

According to "Zhejiang win the Battle of Blue Sky three-year action plan" requirements, by 2020, the province will be basically eliminated 35 tons of steam / hour and coal-fired boilers, more than 35 steam tons / hour of high pollution and energy-saving ultra-complete boiler low-emission transformation. Next, our region will be based on the unified arrangements of provinces and cities, and actively practice the concept of green development, continue to promote the 10-35 tons of steam / h coal-fired boiler out of rectification work to further improve the air quality in Putuo District.

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