vietnam dual fuel fired steam boiler

Electric boiler with a long aging phenomenon occurs, how to electric boiler for maintenance of it? Fast boiler boiler professional and technical engineers, take you through the maintenance electric boiler.

Boiler water treatment boiler is a kind of industrial boiler. In recent years, with the approval of this kind of equipment, it has been applied in many industries. Practical application shows that it will be treated with water in the process of use. So, do you know what the reason for doing this is? Through the analysis, it is found that the main causes of boiler water treatment are as follows: 1. Prevent scaling and sludge accumulation; 2. Sulfate and silicon: sulfate and silicate often precipitate on boiler metal without forming sludge, which is more difficult to prevent precipitation; 3. Iron and sodium: dissolved or suspended iron also deposits on the metal surface. Due to the high solubility of sodium compounds, usually Deposit occurs only when water is nearly evaporated; 4. Hardness: salts of dissolved calcium and magnesium are called hardness. Hardness deposits on the surface of the pipe when water evaporates to produce steam. It is easy to precipitate because of the low solubility of calcium and magnesium compounds in water, which reduces the heat conduction and causes the tube metal to overheat. The hardness of natural water varies from several ppm to more than 500ppm, and the high pressure boiler can only allow 0 / 2 ppm.

Heating boiler energy-saving measures which have 1 to improve the regulation of the scientific process in the actual operation of the boiler, if you want to ensure the generation of heat can be applied to heating, the shape should ensure that the heat is directly proportional to fuel consumption and actual fuel produced, apart from the in addition, it is also fuel combustion and a very close relationship, if the fuel to achieve complete combustion of all converted into heat, and lower loss during transmission, will achieve better heating effect, so the above points is to improve boiler Heating quality issues need attention. Not difficult to see scientific regulatory mechanism for boiler heating is essential, by monitoring the energy situation and the actual combustion and timely information feedback, we can effectively regulate the furnace temperature and fuel delivery, will be able to adjust after the actual transfer case We can ensure the rational use of energy and avoid wastage. 2, to avoid water loss Normally, water loss and heating systems are also actual boiler combustion relations are closely related. When the boiler combustion, combustion has been maintained at a certain temperature, but once the cold water into it, it will lead to lower combustion temperature, in order to ensure the efficiency of the existing heating fuel need to increase investment, which can lead to waste problem to some extent. So you should avoid the loss of water in the combustion process, so as to ensure utilization of resources. 3, continuous heating is now practiced by intermittent heating means fluctuations in temperature will continue to expand, the same relevant information can be shown that if coal consumption remains approximately the same state, it will not lead to fluctuations in room temperature. In contrast, continuous heating efficiency can be over 70%, while the intermittent heating efficiency drops to 50%. Because there will be intermittent heating fire twice pressure process, the process on the formation of additional consumption. In contrast to the two modes of social economic and environmental benefits of intermittent heating is very different than the continuous heating. 4, abandon empirically light a fire in the boiler heating operation, the implementation of scientific operation regulation. The actual existence of a gap and design, in the process of using the theoretical formula should combine their actual situation is corrected. Combined with the computer-controlled system of a boiler, the control parameter is determined when the theory with experience, so that the whole system is in an optimal operating state. 5, 5.1 and meticulous management to control costs, strict control of all aspects of energy coal consumption of water and electricity to develop indicators and indicators implemented in all positions, but also to work out a reasonable reward and punishment system, strict control of energy consumption indicators, effectively reduce the cost of heating boilers. And gradually improve the system planning and control energy consumption indicators for assessment measures, accountability, should be rewarded for reducing energy consumption, energy consumption indicators to be beyond punishment, avoid waste boiler heating fundamentally. 5.2, implementation of sophisticated management with reference to the heating load to outdoor weather conditions, heat regulation scientifically embodiment. Referring outdoor temperature changes occurring, selected dynamically changing the web supply and return water temperatures, reasonable control of temperature, flow rate changes in stages, may also choose to change the intermittent heating time of day, and other means, prompting the user with hot boiler heating phase accord, to prevent the room temperature is too low and too high due to non-compliance or energy waste. 5.3, optimization of heating resources and productivity by combining scientific and rational layout adjustment, be suspended heating for long-term idle production houses. Carried out for the excess heating capacity of the unit with a reasonable expansion of the heating market, optimizing the heating resources, thereby enhancing economic efficiency.

Battle for winning Blue Sky, effectively improve the region's ambient air quality; Ningxia Hui Autonomous Region developed and published a "region-owned coal-fired thermal power units reconstruction plan for the ultra-low emission" (hereinafter referred to as the "Program"). "Plan" put forward plans before the end of 2020, nine companies owned coal-fired power plant 25 thermal power units for ultra low emissions transformation.

By the end of 2020, all the region's coal-fired thermal power units with self-transformation conditions by upgrading desulfurization, denitrification and dust removal facilities, the concentration of pollutants in atmospheric emissions all meet ultra-low emission requirements; long-discontinued businesses in the pre-production must be restored owned ultra-low emission coal-fired units to complete the transformation; gradually shutting down key areas do not have the conditions for the transformation of high-polluting coal-fired captive power plants; emission concentration of air pollutants new coal-fired gas turbine generator set to achieve set emission limits; the country City and Ningdong Management Committee in conjunction with the region's environmental quality improvement requirements, and actively promote the transformation of ultra-low emissions to arrange more than 65 tons of steam per hour of coal-fired boilers.

After the completion of the transformation project, owned coal-fired power plants should entrust a third party consultant for technical performance, environmental effects, equipment stability, comprehensive assessment, evaluation findings and issue.

In order to encourage enterprises to increase efforts to transform ultra-low emissions of pollutant emission concentrations below the pollutant discharge limits set by the state or place more than 50 percent, halved implement environmental tax policy. At the same time, we encourage financial institutions to give preferential credit support, to support eligible owned coal-fired thermal power enterprises to issue corporate bonds direct financing, to raise funds for ultra-low emissions and energy saving. According to the regional administration of appropriate incentive funding arrangements, to ultra-low emission reduction projects included renovation crew around them, give appropriate incentives based on emission reductions, combined with local conditions to increase financial support.

"Plan" requires all localities and departments should strengthen daily supervision and inspection of law enforcement to prevent corporate fraud, is not scheduled to complete the transformation of the self-ultra-low emission thermal power phase-out, discharge permit authorities to promptly subtract the emissions permit, for non-compliance business severely dealt with according to the law, to the public.

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