biomass boiler for thermal power plant in Gyumri

Coal-fired biomass boiler for thermal power plant in gyumris to gas boilers benefits and precautions With the rapid development of national energy-saving environmental protection, the traditional coal-fired boiler can not meet the needs of the times. Therefore, the coal-fired boiler biomass boiler or gas boiler has become in many boiler user's choice. Before the transformation, to understand the difference between .1 and gas boiler fired boiler. Circulating fluidized bed combustion boiler fired by coal crushing device fluidized combustion process, the coal by crushing device percutaneously into the bunker through a the spreading coal coal injecting air into the furnace; circulating ash by heating, fluidized combustion process. When the coal into a gas fuel is injected directly into the combustor for combustion. 2. Combustion of Coal is mainly composed of C, H, O, N, S, ash and moisture and other elements. Generated when coal SO2, SO3, NOx ash and moisture, and SO2, SO3, NOx from flue gas emitted into the atmosphere, pollute the environment and cause harm to humans. The main components of the exhaust gas and coke are CO and H2. The main produce CO2 and H2 post-combustion, much lower than coal-fired boiler SO2, SO3 and NOX emissions. 3. Ventilation pressurized combustion coal combustion boiler used in a combustion mode. The bottom of the combustion process through the induced draft fan with fan and completed. In the combustion of coal, it requires a lot of air. Gas under a slight positive pressure in the boiler or burner slightly negative pressure, which requires less airflow. Burner air may be pre-mixed with natural gas. 4. coal boiler control reasons, material thickness, amount of wind, the wind volume, wind and other than coal, coal-fired boiler is difficult to automatically adjust the operating parameters of the boiler according to the load. However, fewer factors gas boiler, the burner valve can be adjusted according to the size of the load, easy to implement automatic control. Coal-fired boiler to a gas boiler Notes: Main results are as follows: (1) small boiler, the coal-fired boiler to a gas boiler, i.e. the negative pressure of combustion from the original to the current combustion slight positive pressure, and must pay attention to the furnace wall structure sealing problems. Closely related (2) selection and arrangement of the burner and furnace, the degree of filling of the flame in the furnace is preferably not formed dead air, to avoid the interference of adjacent flame burners, to avoid interference from adjacent burner flame. Unburned gas - air mixture should not be in contact with a heated surface, in order to avoid incomplete combustion. Gas combustion. Gas burner arrangement disposed conduit and ducts should be considered reasonable gas pipe and duct arrangement, ease of operation, inspection and maintenance. (3) the transformation of coal-fired boilers is mechanized layered gas boiler should be removed before the arch and the arch, and the bottom heating surface increases, in place of the grate, the grate to prevent overheating. Gas Velocity (4) on heat transfer surface of the fly ash is not restricted abrasion conditions, convection heating surface heat transfer coefficient is increased, increasing the pressure in the boiler where H is unduly increased. Boiler erosion surface. At this time, the capacity of the boiler should be noted that the steam separator to ensure the quality of the steam.

Note transformation of coal-fired biomass boiler for thermal power plant in gyumris What? With the implementation of new environmental laws and new governance standard boiler air pollution introduced, the transformation of the country's coal-fired boilers are conducted in an orderly, can transform coal-fired boilers to natural gas boilers in actual operation, it can also transform biomass boiler, but no matter how the transformation, in addition to select high-quality coal-fired boiler company, but also need to pay special attention to the following matters. 1, boiler demolition precautions need to be coal-fired boilers relevant parts of existing boilers give dismantled, so pay attention when removing the boiler and turn off the blower is stopped, when the boiler furnace temperature dropped to a suitable temperature, stop the boiler fan , chain grate, then enter the door by the workers from stirring the fire in the furnace, removal of the existing boiler furnace arch, and clean the inside of the furnace, and then remove the host and auxiliary boilers. 2, the transformation of the furnace hearth Notes is a focus of the transformation of coal-fired boilers by reasonable reform to improve the existing boiler combustion conditions, it is not only in line with the new fuel combustion conditions, but also better able to play a role in energy conservation . But it comes to re-pouring furnace, so pay special attention in this transformation process at the time of transformation, so that after the original boiler tube arch away from the center of the flame, which is subjected to high temperatures in order to avoid burning. 3, transformation test precautions when former coal-fired boilers transformation after transformation furnace, pouring new boiler after a series of projects arch after arch, etc. should pay attention to the transformation of good boiler for testing. The most important one is to test the body of the boiler hydrostatic test certain pressure, only through the boiler can be put into use after transformation test. These are a few things during the coal-fired boiler when the need to pay attention. Excellent quality of the coal-fired boiler company is able to transform the boiler itself according to the needs and characteristics of enterprises, and strive to achieve the perfect energy saving effect, however, because there is pressure boiler presence in the course, so after a certain transformation is complete do pay attention to the relevant test, in order to avoid a security risk.

Combined with "263 Action Plan" introduced in Jiangsu Province, improve the ecological environment quality, Changzhou City, Jiangsu Province High-tech Zone Branch Market Authority xixiashu again organize the use of coal-fired biomass boiler for thermal power plant in gyumri units in the area to conduct a comprehensive inspection.

The inspection strengthen the investigation of the case of coal-fired boilers small bathroom, after examination, found that the use of coal-fired boilers within the jurisdiction of the bathroom has been updated for biomass fuel boilers. But when Huaqing Pool bathroom boiler inspection, found that although their water heating boiler has been replaced by biomass fuel boilers, but the phenomenon is still using coal as a raw material existence. Xixiashu Branch inspectors immediately to advise the town of environmental protection departments, and environmental protection departments to strengthen the joint inspection of the bathroom usage boiler safety problems one by one investigation to correct non-compliance.

How does the CFB biomass boiler for thermal power plant in gyumri work

CFB technology burns fuels without fire or burners in the furnace but through a process of fluidization mixes the fuel particles with limestone which captures the sulfur oxides that are formed and the low temperature reduces nitrogen oxide formation. The limestone and fuel are recycles multiples times which increases both the efficiency of producing high quality steam to produce power and also reduces pollution due to its ability to burn fuel in a clean way than the conventional processes. Circulating fluidized bed technology(CFB) also offers the flexibility of using both coal as well as biomass fuels.

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