natural gas fired boiler efficiency

natural gas fired boiler efficiency

Fuel gas fired boiler efficiency high degree of automation, higher operating costs than coal, small footprint, requiring less operator; while the gas boiler environmental factor is very high, is the fuel of the future of major equipment recommended.

Why low nitrogen gas fired boiler efficiency in the market, whether it is more popular hotels in heating, plant operations, or daily life, etc., these places need to use gas burners. Combustion gas released a lot of atmospheric pollutants. Coal makes use of a wide range of atmospheric environmental quality of our country is getting worse, to control air pollution in the form of very grim. Starting from coal, governance atmospheric environment, without delay. According to fast boiler boiler industry for many years engaged in the conclusions read: more and more enterprises put more clean and environmentally friendly low nitrogen gas boiler. Fast boiler you anything in detail, low nitrogen gas boiler in the market even more popular. 1, compared to the traditional coal-fired boiler, a low nitrogen gas boiler is generally more cost-effective conventional coal-fired boiler is filled manually into the direct fired furnace for combustion, which combustion produces very large sulfides, dust, etc. harmful substances discharged into the atmosphere pollution index high; but also need to manually add the fuel, time-consuming and labor-intensive, more harm than good. Low nitrogen gas boilers use natural gas as a clean fuel, only gas pipeline and turned good start to complete combustion, it can be said to be very convenient. Boiler also joined the low nitrogen treatment technology, flue gas emissions to less negligible, is also favored by the environmental protection department equipment. 2, most importantly, natural gas low nitrogen boiler environmental clean gas low nitrogen boiler most dominant feature is the external energy saving, pipes low nitrogen boiler by using the thermal conductivity is relatively low glass wool heat insulation layer, thereby reducing boiler the heat loss, to achieve energy saving effect. FGR premix flue gas recirculation and low NOx combustion technique, the situation is improved by the combustion of the fuel, a truly effective in suppressing the generation of nitrogen oxides. 3, natural gas low nitrogen boiler using more advanced technology, natural gas low nitrogen boiler thermal efficiency higher fast boiler through the use of flue gas condensation heat recovery technology, the high temperature flue gas in the latent heat and the sensible heat portion utilized, the thermal efficiency can be improved 20 about%, reaching more than 103%, significant savings in the late running costs, but also reduce operating costs. Combining these three points, we can see that low nitrogen gas boiler is the best choice, but also the most sensible choice. To promote the implementation of environmental protection plan, accelerate the improvement of air quality, speed up the process of using low nitrogen boilers to reduce emissions of nitrogen oxides, nitrogen oxides and reduce PM2.5 due to the formation of the secondary reformer. Give us more space to control air pollution.

In early 2019, Xingtai City, Hebei Province, air pollution control for industrial enterprises, to develop the relevant regulations. Mainly for the protection and improvement of the atmospheric environment, prevention of air pollution and protect public health, promote the construction of ecological civilization, and promote the development of sustainable economic and social development goals.

First, according to the national industrial policy, Hebei Province, strict control of new construction, renovation, expansion of iron and steel, cement, plate glass, synthetic chemical pharmaceuticals, non-ferrous metal smelting, building ceramics, chemicals and other industrial projects.

Iron and steel, cement, plate glass, synthetic chemical pharmaceuticals, non-ferrous metal smelting, building ceramics, chemicals and other key industries cleaner production audits in accordance with law, the use of advanced clean production technologies, processes and equipment.

Urban area, high above emissions in key industries around the ecological red line in the control area, high-pollution projects should be gradual relocation, renovation or restructuring, exit.

Air pollution insurance companies encourage heavy environmental pollution liability insurance.

Second, the city and county (city, district) people's government may take their overall economic efficiency sorting, etc., specific measures for serious overcapacity in the industry, the atmosphere of heavily polluting enterprises, the differential credit, the difference is the price of water, different gas prices, punitive tariffs, etc. .

Third, the industrial concentration area should develop cogeneration and district heating, heat unified solution. In addition to centralized district heating and combined heat and power, waste incineration and biomass power generation project, the city's ban on new or expanded high-polluting fuel for power plants, ban high-pollution fuel combustion zone ban on new construction, expansion-owned high-polluting fuel boiler heat supporting units supply station.

Boiler for industrial production should reach atmospheric pollutant emission standards set by the State and the boiler Hebei and marked fuel requirements and atmospheric pollutant emission control targets.

Fourth, industrial enterprises store coal, cement, lime, sand and other materials easy to produce pollution should take sealed enclosure, cover, cleaning, watering and other measures to prevent dust pollution.

Fifth, iron and steel, petroleum, nonferrous metals, electric power, coke, construction materials, metallurgy, chemical and other industrial enterprises in the production process emissions of dust, nitrogen oxides and sulfides, shall adopt cleaner production processes, supporting the construction dust removal, desulfurization, denitration apparatus, or take other measures to control the emission of air pollutants like transformation.

Four combustion modes of fired boiler efficiencyBoiler as an energy conversion equipment, plays a very important role in industrial production, can be said to be the core main force of production enterprises. I know the boiler, but it is estimated that most people do not know much about the combustion mode of the boiler. Today, our Fangkuai Boiler will take you to understand the four combustion modes of the boiler. It can be divided into suspended combustion, boiling combustion, layered combustion and gasification combustion. The following is one by one. First, suspension combustion, also known as fire chamber combustion, is a combustion mode in which fuel is injected into the furnace with air in the form of fog, powder or gas. Suspension combustion ignition is rapid, combustion heat The efficiency is high. It is easy to realize automatic operation. The adaptability to load variation is strong. And the adaptability to the fuel is also strong. However, this combustion mode requires a high level of operation, and should not run intermittently. Secondly, boiling combustion is a kind of fluidized boiling combustion of fuel in fluidized bed under the action of appropriate velocity of air. Boiling combustion is suitable for all kinds of coal, especially inferior coal, such as coal gangue. Stone coal, and so on, this combustion mode on the size of coal particles also have certain requirements. The coal mass must be processed and broken into particles with an average diameter less than 10mm during combustion. Delivered by coal-feeding equipment Enter the furnace. Third, layered combustion, also known as fire bed combustion, is a way of burning fuel in a certain thickness on the grate. This combustion mode is only suitable for solid fuels. However, there are certain requirements for particle size (6~50mm). Layered combustion can basically adapt to solid fuel. As long as the mixture of air and fuel layer is good, and there is a certain combustion temperature, the ideal combustion can be achieved. If the air and fuel layer do not mix well, or the local air supply is insufficient, the combustion will be incomplete and the combustion efficiency will be low. This type of combustion is generally used in chain furnaces. IV. Gasification combustion Gasification combustion mainly refers to gasification and direct combustion of coal put into furnace, and this combustion mode is not suitable for coal with low ash content. High-temperature gasification and staged combustion is different from ordinary gasification combustion. Its utilization principle is as follows: under the condition of oxygen, the fuel surface is heated with high-temperature heat source above 800 ℃, so that the fuel can be rapidly pyrolysis and gasification combustion from outside to inside. Part of the high temperature produced by combustion is then gasified at high temperature, and part of the fuel is discharged for work, thus forming a continuous high temperature gasification combustion reaction.

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