gas boiler for industry with high efficiency

gas boiler for industry with high efficiency

Startup boiler for industry with high efficiency steam temperature does not mention how high do? A: In the unit to start the process, often encounter steam pressure has reached the requirements, and the steam temperature was too much difference, especially in front of the turbine and the blast furnace or red switch occurs. Should take the following measures: appropriate to increase the amount of coal to improve the furnace heat load; adjust the secondary air ratio, increase the amount of lower secondary air; improve wind, air pressure, increased gas velocity; hydrophobic and full of air and exhaust mother pipe in front of the main steam isolation all hydrophobic.

2. Environmental policy is required for boiler for industry with high efficiency emissions. Coal-fired boilers for waste pollution and energy of the atmosphere is amazing. Many cities have been expressly prohibited by the new economic development zone on the coal-fired boiler, while the use of gas, oil, electric central heating boiler or cogeneration.

3. The boiler is the initial investment, including the boiler unit, ancillary equipment, construction investment and other related costs.

Problems coal boiler for industry with high efficiency gas boiler gas coal problems are: 1, more coal ash, 2, unevenness of coal particles, 3, coal contains a large amount of impurities, 4, a lower heating value of coal, 5 when combustion is not easy to ignite fire, 6, coal moisture content uncertain. 7, does not burn coal, slag high carbon content. In general, use is preferably designed coal boiler design coal or coal close, in order to ensure stable combustion. In recent years due to the growing tension surrounding the coal supply, coal supply has become diversified, coal quality is very different than before coal, have a great impact on the stability of the boiler combustion and normal heating operation. Impact of coal combustion boiler stable for: calorific value of coal is coal reflects an important indicator of good or bad, when the low calorific value of coal to a certain value, will not only affect the incomplete combustion instability and can lead boiler flameout, the outlet temperature of the boiler is difficult to compliance, affecting the normal operation. Volatile combustion and can be deposited at lower temperatures, as the combustion heat, the temperature rapidly increased coke particles, provide an extremely favorable conditions for ignition and combustion, volatiles further increased coke deposition and internal voids and the external reaction area, will help improve the speed of burning coke. Thus, the greater the content of volatile, nonflammable, the less fixed carbon in the coal component, the easier coal burning ember, devolatilization of many voids, increases the surface area of ​​the reaction, the combustion reaction is accelerated. When the volatile content is reduced, pulverized coal ignition temperature significantly increased, the hot increases, difficult fire, ignition time required becomes longer, the combustion stability is reduced, shifting the center of the flame, furnace absorbed radiation heating surface reduce heat, increase the heat absorption of the convection heating surface, the rear exhaust temperature, exhaust loss increases.

Response to national environmental policy in recent years, Changzhi City, various enterprises and institutions from themselves, have the boiler for industry with high efficiency environmental transformation and selection. However, due to various boiler plant manufacturers of products of varying quality, there is a variety of security risks in the operation; taking into account the level of professional fireman some units of non-compliance, the boiler operating procedures less skilled, the above reasons, Changzhi City Special inspection at this year's "safety month" held gas boiler safety planning activities of technical training courses, the city's use of gas-fired boiler units represent 233 enterprises and safety training. Fast boiler has a strong position in the field of clean-type gas boilers, and has a wealth of experience. Changzhi City, the special prosecutor of the special fast Boiler training for each unit represents.

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